AMEREN CORPORATION has sponsored the creation of one or more 401k plans.
| Measure | Date | Value |
|---|
| 2022 : AMEREN RETIREE MEDICAL PLAN 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-62,656,589 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-62,656,589 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $155,819 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $2,951,130 |
| Total income from all sources (including contributions) | 2022-12-31 | $-180,043,289 |
| Total loss/gain on sale of assets | 2022-12-31 | $-7,192,247 |
| Total of all expenses incurred | 2022-12-31 | $61,479,956 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $56,036,756 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $10,197,166 |
| Value of total assets at end of year | 2022-12-31 | $1,078,982,800 |
| Value of total assets at beginning of year | 2022-12-31 | $1,323,301,356 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $5,443,200 |
| Total interest from all sources | 2022-12-31 | $5,186,254 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $3,130,553 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $61,426 |
| Administrative expenses professional fees incurred | 2022-12-31 | $66,625 |
| Was this plan covered by a fidelity bond | 2022-12-31 | Yes |
| Value of fidelity bond cover | 2022-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | No |
| Contributions received from participants | 2022-12-31 | $8,628,197 |
| Participant contributions at end of year | 2022-12-31 | $683,304 |
| Participant contributions at beginning of year | 2022-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $122,867,541 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $132,374,419 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $4,542,293 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $3,905,344 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $-1,432,603 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $-1,217,665 |
| Administrative expenses (other) incurred | 2022-12-31 | $3,874,329 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-12-31 | No |
| Value of net income/loss | 2022-12-31 | $-241,523,245 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $1,078,826,981 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $1,320,350,226 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2022-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-12-31 | No |
| Investment advisory and management fees | 2022-12-31 | $781,886 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $6,189,339 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $18,575,145 |
| Interest earned on other investments | 2022-12-31 | $5,186,254 |
| Value of interest in master investment trust accounts at end of year | 2022-12-31 | $723,669,910 |
| Value of interest in master investment trust accounts at beginning of year | 2022-12-31 | $885,983,473 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $30,575 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2022-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2022-12-31 | No |
| Contributions received in cash from employer | 2022-12-31 | $1,568,969 |
| Employer contributions (assets) at end of year | 2022-12-31 | $76,188 |
| Employer contributions (assets) at beginning of year | 2022-12-31 | $66,201 |
| Income. Dividends from common stock | 2022-12-31 | $3,069,127 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-12-31 | $56,036,756 |
| Contract administrator fees | 2022-12-31 | $720,360 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $220,954,225 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $282,396,774 |
| Liabilities. Value of benefit claims payable at end of year | 2022-12-31 | $1,588,422 |
| Liabilities. Value of benefit claims payable at beginning of year | 2022-12-31 | $4,168,795 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2022-12-31 | No |
| Aggregate proceeds on sale of assets | 2022-12-31 | $53,420,665 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $60,612,912 |
| Opinion of an independent qualified public accountant for this plan | 2022-12-31 | Unqualified |
| Accountancy firm name | 2022-12-31 | CROWE LLP |
| Accountancy firm EIN | 2022-12-31 | 350921680 |
| 2021 : AMEREN RETIREE MEDICAL PLAN 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $58,016,522 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $58,016,522 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $2,951,130 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $613,777 |
| Total income from all sources (including contributions) | 2021-12-31 | $154,046,335 |
| Total loss/gain on sale of assets | 2021-12-31 | $5,516,049 |
| Total of all expenses incurred | 2021-12-31 | $69,551,296 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $57,784,331 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $9,230,001 |
| Value of total assets at end of year | 2021-12-31 | $1,323,301,356 |
| Value of total assets at beginning of year | 2021-12-31 | $1,236,468,964 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $11,766,965 |
| Total interest from all sources | 2021-12-31 | $4,477,444 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $3,185,848 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2021-12-31 | No |
| Administrative expenses professional fees incurred | 2021-12-31 | $146,460 |
| Was this plan covered by a fidelity bond | 2021-12-31 | Yes |
| Value of fidelity bond cover | 2021-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | No |
| Contributions received from participants | 2021-12-31 | $7,917,913 |
| Participant contributions at end of year | 2021-12-31 | $0 |
| Participant contributions at beginning of year | 2021-12-31 | $709,844 |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $132,374,419 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $105,846,658 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $3,905,344 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $4,110,914 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $-1,217,665 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $-1,483,572 |
| Administrative expenses (other) incurred | 2021-12-31 | $10,110,000 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2021-12-31 | No |
| Value of net income/loss | 2021-12-31 | $84,495,039 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $1,320,350,226 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $1,235,855,187 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2021-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2021-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2021-12-31 | No |
| Investment advisory and management fees | 2021-12-31 | $804,282 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $18,575,145 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $3,151,947 |
| Interest earned on other investments | 2021-12-31 | $4,477,444 |
| Value of interest in master investment trust accounts at end of year | 2021-12-31 | $885,983,473 |
| Value of interest in master investment trust accounts at beginning of year | 2021-12-31 | $843,305,609 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $3,546 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2021-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2021-12-31 | No |
| Contributions received in cash from employer | 2021-12-31 | $1,312,088 |
| Employer contributions (assets) at end of year | 2021-12-31 | $66,201 |
| Employer contributions (assets) at beginning of year | 2021-12-31 | $92,671 |
| Income. Dividends from common stock | 2021-12-31 | $3,185,848 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2021-12-31 | $57,784,331 |
| Contract administrator fees | 2021-12-31 | $706,223 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $282,396,774 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $279,251,321 |
| Liabilities. Value of benefit claims payable at end of year | 2021-12-31 | $4,168,795 |
| Liabilities. Value of benefit claims payable at beginning of year | 2021-12-31 | $2,097,349 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2021-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2021-12-31 | No |
| Aggregate proceeds on sale of assets | 2021-12-31 | $97,226,735 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $91,710,686 |
| Opinion of an independent qualified public accountant for this plan | 2021-12-31 | Unqualified |
| Accountancy firm name | 2021-12-31 | CROWE LLP |
| Accountancy firm EIN | 2021-12-31 | 350921680 |
| 2020 : AMEREN RETIREE MEDICAL PLAN 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $54,414,155 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $54,414,155 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $613,777 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $1,555,171 |
| Total income from all sources (including contributions) | 2020-12-31 | $172,684,503 |
| Total loss/gain on sale of assets | 2020-12-31 | $-6,932,721 |
| Total of all expenses incurred | 2020-12-31 | $58,378,070 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $55,785,206 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $9,963,321 |
| Value of total assets at end of year | 2020-12-31 | $1,236,468,964 |
| Value of total assets at beginning of year | 2020-12-31 | $1,123,103,925 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $2,592,864 |
| Total interest from all sources | 2020-12-31 | $4,129,882 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $3,375,001 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2020-12-31 | No |
| Administrative expenses professional fees incurred | 2020-12-31 | $96,110 |
| Was this plan covered by a fidelity bond | 2020-12-31 | Yes |
| Value of fidelity bond cover | 2020-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | No |
| Contributions received from participants | 2020-12-31 | $8,407,177 |
| Participant contributions at end of year | 2020-12-31 | $709,844 |
| Participant contributions at beginning of year | 2020-12-31 | $617,441 |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $105,846,658 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $106,901,200 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $4,110,914 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $2,278,003 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $-1,483,572 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $-1,499,576 |
| Other income not declared elsewhere | 2020-12-31 | $56,587 |
| Administrative expenses (other) incurred | 2020-12-31 | $953,000 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Value of net income/loss | 2020-12-31 | $114,306,433 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $1,235,855,187 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $1,121,548,754 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2020-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2020-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2020-12-31 | No |
| Investment advisory and management fees | 2020-12-31 | $758,827 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $3,151,947 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $6,815,970 |
| Interest earned on other investments | 2020-12-31 | $4,129,995 |
| Value of interest in master investment trust accounts at end of year | 2020-12-31 | $843,305,609 |
| Value of interest in master investment trust accounts at beginning of year | 2020-12-31 | $768,794,989 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $-113 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $29,341 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2020-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2020-12-31 | No |
| Contributions received in cash from employer | 2020-12-31 | $1,556,144 |
| Employer contributions (assets) at end of year | 2020-12-31 | $92,671 |
| Employer contributions (assets) at beginning of year | 2020-12-31 | $65,060 |
| Income. Dividends from common stock | 2020-12-31 | $3,375,001 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2020-12-31 | $55,785,206 |
| Contract administrator fees | 2020-12-31 | $784,927 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $279,251,321 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $237,631,262 |
| Liabilities. Value of benefit claims payable at end of year | 2020-12-31 | $2,097,349 |
| Liabilities. Value of benefit claims payable at beginning of year | 2020-12-31 | $3,054,747 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2020-12-31 | No |
| Aggregate proceeds on sale of assets | 2020-12-31 | $28,184,589 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $35,117,310 |
| Opinion of an independent qualified public accountant for this plan | 2020-12-31 | Unqualified |
| Accountancy firm name | 2020-12-31 | CROWE LLP |
| Accountancy firm EIN | 2020-12-31 | 350921680 |
| 2019 : AMEREN RETIREE MEDICAL PLAN 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $60,497,812 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $60,497,812 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $60,497,812 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $60,497,812 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,555,171 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,555,171 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $2,470,570 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $2,470,570 |
| Total income from all sources (including contributions) | 2019-12-31 | $218,473,109 |
| Total loss/gain on sale of assets | 2019-12-31 | $-34,340 |
| Total loss/gain on sale of assets | 2019-12-31 | $-34,340 |
| Total of all expenses incurred | 2019-12-31 | $65,985,220 |
| Total of all expenses incurred | 2019-12-31 | $65,985,220 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $59,917,218 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $59,917,218 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $10,054,923 |
| Value of total assets at end of year | 2019-12-31 | $1,123,103,925 |
| Value of total assets at end of year | 2019-12-31 | $1,123,103,925 |
| Value of total assets at beginning of year | 2019-12-31 | $971,531,435 |
| Value of total assets at beginning of year | 2019-12-31 | $971,531,435 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $6,068,002 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $6,068,002 |
| Total interest from all sources | 2019-12-31 | $4,340,182 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $3,381,264 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $3,381,264 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Was this plan covered by a fidelity bond | 2019-12-31 | Yes |
| Value of fidelity bond cover | 2019-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Contributions received from participants | 2019-12-31 | $7,940,696 |
| Participant contributions at end of year | 2019-12-31 | $617,441 |
| Participant contributions at end of year | 2019-12-31 | $617,441 |
| Participant contributions at beginning of year | 2019-12-31 | $685,736 |
| Participant contributions at beginning of year | 2019-12-31 | $685,736 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $106,901,200 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $106,901,200 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $105,134,222 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $105,134,222 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $2,278,003 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $2,278,003 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $3,277,942 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $3,277,942 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $-1,499,576 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $-1,499,576 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $-969,620 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $-969,620 |
| Other income not declared elsewhere | 2019-12-31 | $22,073 |
| Administrative expenses (other) incurred | 2019-12-31 | $6,068,002 |
| Administrative expenses (other) incurred | 2019-12-31 | $6,068,002 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $40,265 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $40,265 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Value of net income/loss | 2019-12-31 | $152,487,889 |
| Value of net income/loss | 2019-12-31 | $152,487,889 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $1,121,548,754 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $1,121,548,754 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $969,060,865 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $969,060,865 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2019-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $6,815,970 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $6,815,970 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $7,985,968 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $7,985,968 |
| Interest earned on other investments | 2019-12-31 | $4,342,492 |
| Interest earned on other investments | 2019-12-31 | $4,342,492 |
| Value of interest in master investment trust accounts at end of year | 2019-12-31 | $768,794,989 |
| Value of interest in master investment trust accounts at end of year | 2019-12-31 | $768,794,989 |
| Value of interest in master investment trust accounts at beginning of year | 2019-12-31 | $666,773,685 |
| Value of interest in master investment trust accounts at beginning of year | 2019-12-31 | $666,773,685 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $-2,310 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $107,815 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $107,815 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | Yes |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2019-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2019-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2019-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2019-12-31 | No |
| Contributions received in cash from employer | 2019-12-31 | $2,114,227 |
| Contributions received in cash from employer | 2019-12-31 | $2,114,227 |
| Employer contributions (assets) at end of year | 2019-12-31 | $65,060 |
| Employer contributions (assets) at end of year | 2019-12-31 | $65,060 |
| Employer contributions (assets) at beginning of year | 2019-12-31 | $43,891 |
| Employer contributions (assets) at beginning of year | 2019-12-31 | $43,891 |
| Income. Dividends from common stock | 2019-12-31 | $3,381,264 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2019-12-31 | $59,917,218 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2019-12-31 | $59,917,218 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $237,631,262 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $237,631,262 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $187,589,726 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $187,589,726 |
| Liabilities. Value of benefit claims payable at end of year | 2019-12-31 | $3,054,747 |
| Liabilities. Value of benefit claims payable at end of year | 2019-12-31 | $3,054,747 |
| Liabilities. Value of benefit claims payable at beginning of year | 2019-12-31 | $3,440,190 |
| Liabilities. Value of benefit claims payable at beginning of year | 2019-12-31 | $3,440,190 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2019-12-31 | No |
| Aggregate proceeds on sale of assets | 2019-12-31 | $32,885,299 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $32,919,639 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $32,919,639 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2019-12-31 | No |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2019-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2019-12-31 | Unqualified |
| Opinion of an independent qualified public accountant for this plan | 2019-12-31 | Unqualified |
| Accountancy firm name | 2019-12-31 | CROWE LLP |
| Accountancy firm name | 2019-12-31 | CROWE LLP |
| Accountancy firm EIN | 2019-12-31 | 350921680 |
| Accountancy firm EIN | 2019-12-31 | 350921680 |
| 2018 : AMEREN RETIREE MEDICAL PLAN 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-10,976,755 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-10,976,755 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $2,470,570 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $2,752,106 |
| Total income from all sources (including contributions) | 2018-12-31 | $-34,016,129 |
| Total loss/gain on sale of assets | 2018-12-31 | $-3,234,670 |
| Total of all expenses incurred | 2018-12-31 | $66,024,091 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $58,158,686 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $10,493,295 |
| Value of total assets at end of year | 2018-12-31 | $971,531,435 |
| Value of total assets at beginning of year | 2018-12-31 | $1,071,853,191 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $7,865,405 |
| Total interest from all sources | 2018-12-31 | $4,497,546 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $3,264,867 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2018-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2018-12-31 | $23,561 |
| Was this plan covered by a fidelity bond | 2018-12-31 | Yes |
| Value of fidelity bond cover | 2018-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2018-12-31 | No |
| Contributions received from participants | 2018-12-31 | $8,647,243 |
| Participant contributions at end of year | 2018-12-31 | $685,736 |
| Participant contributions at beginning of year | 2018-12-31 | $690,433 |
| Assets. Other investments not covered elsewhere at end of year | 2018-12-31 | $105,134,222 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $109,864,730 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $3,277,942 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $3,487,285 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $-969,620 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $122,803 |
| Other income not declared elsewhere | 2018-12-31 | $19,908 |
| Administrative expenses (other) incurred | 2018-12-31 | $7,865,405 |
| Total non interest bearing cash at end of year | 2018-12-31 | $40,265 |
| Total non interest bearing cash at beginning of year | 2018-12-31 | $5,332 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2018-12-31 | No |
| Value of net income/loss | 2018-12-31 | $-100,040,220 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $969,060,865 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $1,069,101,085 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2018-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2018-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2018-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2018-12-31 | $7,985,968 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2018-12-31 | $4,867,392 |
| Interest earned on other investments | 2018-12-31 | $4,497,589 |
| Value of interest in master investment trust accounts at end of year | 2018-12-31 | $666,773,685 |
| Value of interest in master investment trust accounts at beginning of year | 2018-12-31 | $742,016,005 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $-43 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2018-12-31 | $112,561 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2018-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2018-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2018-12-31 | No |
| Contributions received in cash from employer | 2018-12-31 | $1,846,052 |
| Employer contributions (assets) at end of year | 2018-12-31 | $43,891 |
| Employer contributions (assets) at beginning of year | 2018-12-31 | $33,043 |
| Income. Dividends from common stock | 2018-12-31 | $3,241,306 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2018-12-31 | $58,158,686 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $187,589,726 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $210,888,971 |
| Liabilities. Value of benefit claims payable at end of year | 2018-12-31 | $3,440,190 |
| Liabilities. Value of benefit claims payable at beginning of year | 2018-12-31 | $2,629,303 |
| Did the plan have assets held for investment | 2018-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2018-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2018-12-31 | No |
| Aggregate proceeds on sale of assets | 2018-12-31 | $54,283,911 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $57,518,581 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2018-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2018-12-31 | Unqualified |
| Accountancy firm name | 2018-12-31 | CROWE LLP |
| Accountancy firm EIN | 2018-12-31 | 350921680 |
| 2017 : AMEREN RETIREE MEDICAL PLAN 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $38,752,975 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $38,752,975 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $2,752,106 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $2,725,612 |
| Total income from all sources (including contributions) | 2017-12-31 | $165,071,973 |
| Total loss/gain on sale of assets | 2017-12-31 | $-454,196 |
| Total of all expenses incurred | 2017-12-31 | $64,188,897 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $56,750,975 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $10,149,115 |
| Value of total assets at end of year | 2017-12-31 | $1,071,853,191 |
| Value of total assets at beginning of year | 2017-12-31 | $970,943,621 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $7,437,922 |
| Total interest from all sources | 2017-12-31 | $4,598,468 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $3,088,473 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2017-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2017-12-31 | $6,746 |
| Was this plan covered by a fidelity bond | 2017-12-31 | Yes |
| Value of fidelity bond cover | 2017-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2017-12-31 | No |
| Contributions received from participants | 2017-12-31 | $8,277,823 |
| Participant contributions at end of year | 2017-12-31 | $690,433 |
| Participant contributions at beginning of year | 2017-12-31 | $637,346 |
| Assets. Other investments not covered elsewhere at end of year | 2017-12-31 | $109,864,730 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $105,932,999 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $3,487,285 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $2,493,194 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $122,803 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $148,664 |
| Administrative expenses (other) incurred | 2017-12-31 | $7,437,922 |
| Total non interest bearing cash at end of year | 2017-12-31 | $5,332 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2017-12-31 | No |
| Value of net income/loss | 2017-12-31 | $100,883,076 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $1,069,101,085 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $968,218,009 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2017-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2017-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2017-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2017-12-31 | $4,867,392 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2017-12-31 | $6,036,413 |
| Interest earned on other investments | 2017-12-31 | $4,598,757 |
| Value of interest in master investment trust accounts at end of year | 2017-12-31 | $742,016,005 |
| Value of interest in master investment trust accounts at beginning of year | 2017-12-31 | $668,948,980 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $-289 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $655,408 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2017-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2017-12-31 | No |
| Contributions received in cash from employer | 2017-12-31 | $1,871,292 |
| Employer contributions (assets) at end of year | 2017-12-31 | $33,043 |
| Employer contributions (assets) at beginning of year | 2017-12-31 | $516,769 |
| Income. Dividends from common stock | 2017-12-31 | $3,081,727 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2017-12-31 | $56,750,975 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $210,888,971 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $186,377,920 |
| Liabilities. Value of benefit claims payable at end of year | 2017-12-31 | $2,629,303 |
| Liabilities. Value of benefit claims payable at beginning of year | 2017-12-31 | $2,576,948 |
| Did the plan have assets held for investment | 2017-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2017-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2017-12-31 | No |
| Aggregate proceeds on sale of assets | 2017-12-31 | $41,498,715 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $41,952,911 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2017-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2017-12-31 | Unqualified |
| Accountancy firm name | 2017-12-31 | CROWE LLP |
| Accountancy firm EIN | 2017-12-31 | 350921680 |
| 2016 : AMEREN RETIREE MEDICAL PLAN 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $16,658,518 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $16,658,518 |
| Total transfer of assets to this plan | 2016-12-31 | $130,347,886 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $2,725,612 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,958,651 |
| Total income from all sources (including contributions) | 2016-12-31 | $69,407,615 |
| Total loss/gain on sale of assets | 2016-12-31 | $-4,038,791 |
| Total of all expenses incurred | 2016-12-31 | $55,205,444 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $48,651,450 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $9,385,135 |
| Value of total assets at end of year | 2016-12-31 | $970,943,621 |
| Value of total assets at beginning of year | 2016-12-31 | $825,626,603 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $6,553,994 |
| Total interest from all sources | 2016-12-31 | $4,606,402 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $3,004,869 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2016-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2016-12-31 | $1,959 |
| Was this plan covered by a fidelity bond | 2016-12-31 | Yes |
| Value of fidelity bond cover | 2016-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2016-12-31 | $168,600 |
| Contributions received from participants | 2016-12-31 | $7,848,543 |
| Participant contributions at end of year | 2016-12-31 | $637,346 |
| Participant contributions at beginning of year | 2016-12-31 | $649,124 |
| Assets. Other investments not covered elsewhere at end of year | 2016-12-31 | $105,932,999 |
| Assets. Other investments not covered elsewhere at beginning of year | 2016-12-31 | $113,231,425 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $2,493,194 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $3,511,564 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $148,664 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $45,970 |
| Other income not declared elsewhere | 2016-12-31 | $65,166 |
| Administrative expenses (other) incurred | 2016-12-31 | $6,553,994 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2016-12-31 | No |
| Value of net income/loss | 2016-12-31 | $14,202,171 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $968,218,009 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $823,667,952 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2016-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2016-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2016-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2016-12-31 | $6,036,413 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2016-12-31 | $7,004,685 |
| Interest earned on other investments | 2016-12-31 | $4,606,448 |
| Value of interest in master investment trust accounts at end of year | 2016-12-31 | $668,948,980 |
| Value of interest in master investment trust accounts at beginning of year | 2016-12-31 | $526,707,838 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $-46 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2016-12-31 | $10,176 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2016-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2016-12-31 | No |
| Contributions received in cash from employer | 2016-12-31 | $1,536,592 |
| Employer contributions (assets) at end of year | 2016-12-31 | $516,769 |
| Income. Dividends from common stock | 2016-12-31 | $3,002,910 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2016-12-31 | $48,651,450 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $186,377,920 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $174,521,967 |
| Liabilities. Value of benefit claims payable at end of year | 2016-12-31 | $2,576,948 |
| Liabilities. Value of benefit claims payable at beginning of year | 2016-12-31 | $1,912,681 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2016-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2016-12-31 | No |
| Aggregate proceeds on sale of assets | 2016-12-31 | $62,570,902 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $66,609,693 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2016-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2016-12-31 | Unqualified |
| Accountancy firm name | 2016-12-31 | CROWE HORWATH |
| Accountancy firm EIN | 2016-12-31 | 350921680 |
| 2015 : AMEREN RETIREE MEDICAL PLAN 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $1,295,530 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $1,295,530 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,958,651 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $2,293,017 |
| Total income from all sources (including contributions) | 2015-12-31 | $25,579,302 |
| Total loss/gain on sale of assets | 2015-12-31 | $-3,637,503 |
| Total of all expenses incurred | 2015-12-31 | $56,342,483 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $49,692,408 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $25,138,058 |
| Value of total assets at end of year | 2015-12-31 | $825,626,603 |
| Value of total assets at beginning of year | 2015-12-31 | $856,724,150 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $6,650,075 |
| Total interest from all sources | 2015-12-31 | $4,674,573 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $2,914,583 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2015-12-31 | No |
| Was this plan covered by a fidelity bond | 2015-12-31 | Yes |
| Value of fidelity bond cover | 2015-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | No |
| Contributions received from participants | 2015-12-31 | $7,982,188 |
| Participant contributions at end of year | 2015-12-31 | $649,124 |
| Participant contributions at beginning of year | 2015-12-31 | $937,611 |
| Assets. Other investments not covered elsewhere at end of year | 2015-12-31 | $113,231,425 |
| Assets. Other investments not covered elsewhere at beginning of year | 2015-12-31 | $109,106,532 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $3,511,564 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $4,400,585 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $45,970 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $63,084 |
| Other income not declared elsewhere | 2015-12-31 | $8,051 |
| Administrative expenses (other) incurred | 2015-12-31 | $6,650,075 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2015-12-31 | No |
| Value of net income/loss | 2015-12-31 | $-30,763,181 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $823,667,952 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $854,431,133 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2015-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2015-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2015-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2015-12-31 | $7,004,685 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2015-12-31 | $10,630,150 |
| Interest earned on other investments | 2015-12-31 | $4,674,572 |
| Value of interest in master investment trust accounts at end of year | 2015-12-31 | $526,707,838 |
| Value of interest in master investment trust accounts at beginning of year | 2015-12-31 | $545,839,465 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $1 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2015-12-31 | $3,148 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2015-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2015-12-31 | No |
| Contributions received in cash from employer | 2015-12-31 | $17,155,870 |
| Income. Dividends from common stock | 2015-12-31 | $2,914,583 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2015-12-31 | $49,692,408 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $174,521,967 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $185,809,807 |
| Liabilities. Value of benefit claims payable at end of year | 2015-12-31 | $1,912,681 |
| Liabilities. Value of benefit claims payable at beginning of year | 2015-12-31 | $2,229,933 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2015-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2015-12-31 | No |
| Aggregate proceeds on sale of assets | 2015-12-31 | $42,660,672 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $46,298,175 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2015-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2015-12-31 | Unqualified |
| Accountancy firm name | 2015-12-31 | CROWE HORWATH |
| Accountancy firm EIN | 2015-12-31 | 350921680 |
| 2014 : AMEREN RETIREE MEDICAL PLAN 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $25,031,995 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $25,031,995 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $2,293,017 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $3,673,531 |
| Total income from all sources (including contributions) | 2014-12-31 | $84,576,667 |
| Total loss/gain on sale of assets | 2014-12-31 | $-535,108 |
| Total of all expenses incurred | 2014-12-31 | $65,275,193 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $57,206,138 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $23,161,683 |
| Value of total assets at end of year | 2014-12-31 | $856,724,150 |
| Value of total assets at beginning of year | 2014-12-31 | $838,803,190 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $8,069,055 |
| Total interest from all sources | 2014-12-31 | $4,538,484 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $2,724,038 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2014-12-31 | No |
| Was this plan covered by a fidelity bond | 2014-12-31 | Yes |
| Value of fidelity bond cover | 2014-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | No |
| Contributions received from participants | 2014-12-31 | $15,528,032 |
| Participant contributions at end of year | 2014-12-31 | $937,611 |
| Participant contributions at beginning of year | 2014-12-31 | $1,344,488 |
| Assets. Other investments not covered elsewhere at end of year | 2014-12-31 | $109,106,532 |
| Assets. Other investments not covered elsewhere at beginning of year | 2014-12-31 | $99,905,175 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $4,400,585 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $4,150,244 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $63,084 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $1,928,253 |
| Administrative expenses (other) incurred | 2014-12-31 | $8,069,055 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Value of net income/loss | 2014-12-31 | $19,301,474 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $854,431,133 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $835,129,659 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2014-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2014-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2014-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2014-12-31 | $10,630,150 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2014-12-31 | $7,984,010 |
| Interest earned on other investments | 2014-12-31 | $4,538,576 |
| Value of interest in master investment trust accounts at end of year | 2014-12-31 | $545,839,465 |
| Value of interest in master investment trust accounts at beginning of year | 2014-12-31 | $542,787,619 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $-92 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2014-12-31 | $1,442 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2014-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2014-12-31 | No |
| Contributions received in cash from employer | 2014-12-31 | $7,633,651 |
| Income. Dividends from common stock | 2014-12-31 | $2,724,038 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2014-12-31 | $57,206,138 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $185,809,807 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $182,631,654 |
| Liabilities. Value of benefit claims payable at end of year | 2014-12-31 | $2,229,933 |
| Liabilities. Value of benefit claims payable at beginning of year | 2014-12-31 | $1,745,278 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2014-12-31 | No |
| Aggregate proceeds on sale of assets | 2014-12-31 | $42,890,715 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $43,425,823 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2014-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2014-12-31 | Unqualified |
| Accountancy firm name | 2014-12-31 | CROWE HORWATH |
| Accountancy firm EIN | 2014-12-31 | 350921680 |
| 2013 : AMEREN RETIREE MEDICAL PLAN 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $44,664,615 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $44,664,615 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $3,673,531 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $552,341 |
| Total income from all sources (including contributions) | 2013-12-31 | $163,294,119 |
| Total loss/gain on sale of assets | 2013-12-31 | $-927,611 |
| Total of all expenses incurred | 2013-12-31 | $60,915,622 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $53,481,188 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $30,951,978 |
| Value of total assets at end of year | 2013-12-31 | $838,803,190 |
| Value of total assets at beginning of year | 2013-12-31 | $733,303,503 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $7,434,434 |
| Total interest from all sources | 2013-12-31 | $3,842,846 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $2,605,594 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2013-12-31 | No |
| Was this plan covered by a fidelity bond | 2013-12-31 | Yes |
| Value of fidelity bond cover | 2013-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Contributions received from participants | 2013-12-31 | $16,080,906 |
| Participant contributions at end of year | 2013-12-31 | $1,344,488 |
| Participant contributions at beginning of year | 2013-12-31 | $1,470,942 |
| Assets. Other investments not covered elsewhere at end of year | 2013-12-31 | $99,905,175 |
| Assets. Other investments not covered elsewhere at beginning of year | 2013-12-31 | $88,580,912 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $4,150,244 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $1,828,784 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $1,928,253 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $552,341 |
| Other income not declared elsewhere | 2013-12-31 | $9,394 |
| Administrative expenses (other) incurred | 2013-12-31 | $7,434,434 |
| Total non interest bearing cash at beginning of year | 2013-12-31 | $1,102 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2013-12-31 | No |
| Value of net income/loss | 2013-12-31 | $102,378,497 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $835,129,659 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $732,751,162 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2013-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2013-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2013-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2013-12-31 | $7,984,010 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2013-12-31 | $7,794,980 |
| Interest earned on other investments | 2013-12-31 | $3,842,852 |
| Value of interest in master investment trust accounts at end of year | 2013-12-31 | $542,787,619 |
| Value of interest in master investment trust accounts at beginning of year | 2013-12-31 | $479,700,842 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $-6 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2013-12-31 | $2,536 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2013-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2013-12-31 | No |
| Contributions received in cash from employer | 2013-12-31 | $14,871,072 |
| Income. Dividends from common stock | 2013-12-31 | $2,605,594 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2013-12-31 | $53,481,188 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $182,631,654 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $153,925,941 |
| Liabilities. Value of benefit claims payable at end of year | 2013-12-31 | $1,745,278 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2013-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2013-12-31 | No |
| Aggregate proceeds on sale of assets | 2013-12-31 | $64,889,473 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $65,817,084 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2013-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2013-12-31 | Unqualified |
| Accountancy firm name | 2013-12-31 | CROWE HORWATH |
| Accountancy firm EIN | 2013-12-31 | 350921680 |
| 2012 : AMEREN RETIREE MEDICAL PLAN 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $25,882,476 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $25,882,476 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $552,341 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $2,195,226 |
| Total income from all sources (including contributions) | 2012-12-31 | $140,703,340 |
| Total loss/gain on sale of assets | 2012-12-31 | $-4,067,505 |
| Total of all expenses incurred | 2012-12-31 | $61,715,094 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $54,547,512 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $54,732,771 |
| Value of total assets at end of year | 2012-12-31 | $733,303,503 |
| Value of total assets at beginning of year | 2012-12-31 | $655,958,142 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $7,167,582 |
| Total interest from all sources | 2012-12-31 | $3,566,904 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $2,401,723 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2012-12-31 | No |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2012-12-31 | $32 |
| Was this plan covered by a fidelity bond | 2012-12-31 | Yes |
| Value of fidelity bond cover | 2012-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Contributions received from participants | 2012-12-31 | $17,242,852 |
| Participant contributions at end of year | 2012-12-31 | $1,470,942 |
| Participant contributions at beginning of year | 2012-12-31 | $1,082,142 |
| Assets. Other investments not covered elsewhere at end of year | 2012-12-31 | $88,580,912 |
| Assets. Other investments not covered elsewhere at beginning of year | 2012-12-31 | $79,105,457 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $1,828,784 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $1,254,360 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $552,341 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $542,264 |
| Other income not declared elsewhere | 2012-12-31 | $8,183 |
| Administrative expenses (other) incurred | 2012-12-31 | $7,167,582 |
| Total non interest bearing cash at end of year | 2012-12-31 | $1,102 |
| Total non interest bearing cash at beginning of year | 2012-12-31 | $138,094 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2012-12-31 | No |
| Value of net income/loss | 2012-12-31 | $78,988,246 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $732,751,162 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $653,762,916 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2012-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2012-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2012-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2012-12-31 | $7,794,980 |
| Interest earned on other investments | 2012-12-31 | $3,566,994 |
| Value of interest in master investment trust accounts at end of year | 2012-12-31 | $479,700,842 |
| Value of interest in master investment trust accounts at beginning of year | 2012-12-31 | $441,297,931 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $7,125,141 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $-90 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2012-12-31 | $561 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $1,199 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2012-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2012-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2012-12-31 | No |
| Contributions received in cash from employer | 2012-12-31 | $37,489,919 |
| Income. Dividends from common stock | 2012-12-31 | $2,401,723 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2012-12-31 | $54,547,512 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2012-12-31 | $153,925,941 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2012-12-31 | $125,954,985 |
| Liabilities. Value of benefit claims payable at beginning of year | 2012-12-31 | $1,652,962 |
| Did the plan have assets held for investment | 2012-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2012-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2012-12-31 | No |
| Aggregate proceeds on sale of assets | 2012-12-31 | $40,749,286 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $44,816,791 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2012-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2012-12-31 | Unqualified |
| Accountancy firm name | 2012-12-31 | PRICEWATERHOUSECOOPERS |
| Accountancy firm EIN | 2012-12-31 | 134008324 |
| 2011 : AMEREN RETIREE MEDICAL PLAN 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $12,315,289 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $12,315,289 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $2,195,226 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $1,507,045 |
| Total income from all sources (including contributions) | 2011-12-31 | $141,430,064 |
| Total loss/gain on sale of assets | 2011-12-31 | $-6,048,678 |
| Total of all expenses incurred | 2011-12-31 | $57,602,117 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $49,808,041 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $132,614,649 |
| Value of total assets at end of year | 2011-12-31 | $655,958,142 |
| Value of total assets at beginning of year | 2011-12-31 | $571,442,014 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $7,794,076 |
| Total interest from all sources | 2011-12-31 | $2,800,535 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $1,614,186 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2011-12-31 | No |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2011-12-31 | $32 |
| Was this plan covered by a fidelity bond | 2011-12-31 | Yes |
| Value of fidelity bond cover | 2011-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Contributions received from participants | 2011-12-31 | $17,829,459 |
| Participant contributions at end of year | 2011-12-31 | $1,082,142 |
| Participant contributions at beginning of year | 2011-12-31 | $1,432,079 |
| Assets. Other investments not covered elsewhere at end of year | 2011-12-31 | $79,105,457 |
| Assets. Other investments not covered elsewhere at beginning of year | 2011-12-31 | $51,862,127 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $1,254,360 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $2,425,246 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $542,264 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $1,507,045 |
| Other income not declared elsewhere | 2011-12-31 | $17,015 |
| Administrative expenses (other) incurred | 2011-12-31 | $7,794,076 |
| Total non interest bearing cash at end of year | 2011-12-31 | $138,094 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Value of net income/loss | 2011-12-31 | $83,827,947 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $653,762,916 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $569,934,969 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2011-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2011-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2011-12-31 | No |
| Interest earned on other investments | 2011-12-31 | $2,800,513 |
| Value of interest in master investment trust accounts at end of year | 2011-12-31 | $441,297,931 |
| Value of interest in master investment trust accounts at beginning of year | 2011-12-31 | $404,821,144 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $7,125,141 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $6,888,906 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $-29,905 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $-29,905 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $22 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $2,279 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2011-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2011-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2011-12-31 | No |
| Contributions received in cash from employer | 2011-12-31 | $114,785,190 |
| Income. Dividends from common stock | 2011-12-31 | $1,614,186 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2011-12-31 | $49,808,041 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2011-12-31 | $125,954,985 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2011-12-31 | $104,042,417 |
| Liabilities. Value of benefit claims payable at end of year | 2011-12-31 | $1,652,962 |
| Did the plan have assets held for investment | 2011-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2011-12-31 | No |
| Aggregate proceeds on sale of assets | 2011-12-31 | $34,034,954 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $40,083,632 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2011-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2011-12-31 | Unqualified |
| Accountancy firm name | 2011-12-31 | PRICEWATERHOUSE COOPERS |
| Accountancy firm EIN | 2011-12-31 | 134008324 |
| 2010 : AMEREN RETIREE MEDICAL PLAN 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $16,275,265 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $16,275,265 |
| Total transfer of assets to this plan | 2010-12-31 | $504,586,647 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $1,507,045 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $0 |
| Total income from all sources (including contributions) | 2010-12-31 | $101,660,636 |
| Total loss/gain on sale of assets | 2010-12-31 | $-2,933,809 |
| Total of all expenses incurred | 2010-12-31 | $36,312,314 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $31,957,627 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $37,039,680 |
| Value of total assets at end of year | 2010-12-31 | $571,442,014 |
| Value of total assets at beginning of year | 2010-12-31 | $0 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $4,354,687 |
| Total interest from all sources | 2010-12-31 | $1,340,461 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $778,469 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2010-12-31 | No |
| Administrative expenses professional fees incurred | 2010-12-31 | $59,847 |
| Was this plan covered by a fidelity bond | 2010-12-31 | Yes |
| Value of fidelity bond cover | 2010-12-31 | $10,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2010-12-31 | No |
| Contributions received from participants | 2010-12-31 | $11,575,698 |
| Participant contributions at end of year | 2010-12-31 | $1,432,079 |
| Assets. Other investments not covered elsewhere at end of year | 2010-12-31 | $51,862,127 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $2,425,246 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $1,507,045 |
| Administrative expenses (other) incurred | 2010-12-31 | $3,503,566 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Value of net income/loss | 2010-12-31 | $65,348,322 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $569,934,969 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $0 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2010-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2010-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2010-12-31 | No |
| Investment advisory and management fees | 2010-12-31 | $329,543 |
| Interest earned on other investments | 2010-12-31 | $1,340,467 |
| Value of interest in master investment trust accounts at end of year | 2010-12-31 | $404,821,144 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $6,888,906 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $-29,905 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $-6 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $3,269 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2010-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2010-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2010-12-31 | No |
| Contributions received in cash from employer | 2010-12-31 | $25,463,982 |
| Income. Dividends from common stock | 2010-12-31 | $778,469 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2010-12-31 | $31,957,627 |
| Contract administrator fees | 2010-12-31 | $461,731 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2010-12-31 | $104,042,417 |
| Did the plan have assets held for investment | 2010-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2010-12-31 | No |
| Aggregate proceeds on sale of assets | 2010-12-31 | $25,571,791 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $28,505,600 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2010-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2010-12-31 | Unqualified |
| Accountancy firm name | 2010-12-31 | PRICEWATERHOUSECOOPERS |
| Accountancy firm EIN | 2010-12-31 | 134008324 |
