BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. has sponsored the creation of one or more 401k plans.
| Measure | Date | Value |
|---|
| 2023 : EQUITY INDEX FUND F 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $19,370,362,572 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $19,370,362,572 |
| Total transfer of assets to this plan | 2023-12-31 | $18,479,839,382 |
| Total transfer of assets from this plan | 2023-12-31 | $16,434,287,050 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $359,316,945 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $535,740,282 |
| Total income from all sources (including contributions) | 2023-12-31 | $30,030,928,550 |
| Total of all expenses incurred | 2023-12-31 | $16,297 |
| Value of total assets at end of year | 2023-12-31 | $144,574,739,174 |
| Value of total assets at beginning of year | 2023-12-31 | $112,674,697,926 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $16,297 |
| Total interest from all sources | 2023-12-31 | $3,696 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $358,577,777 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $535,732,998 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $359,316,945 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $535,740,282 |
| Administrative expenses (other) incurred | 2023-12-31 | $3,300 |
| Value of net income/loss | 2023-12-31 | $30,030,912,253 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $144,215,422,229 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $112,138,957,644 |
| Investment advisory and management fees | 2023-12-31 | $9,117 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $144,215,426,571 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $112,138,963,928 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $734,826 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $3,696 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $10,660,562,282 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $16,658,462 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $16,658,462 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $19,370,362,572 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $19,370,362,572 |
| Total transfer of assets to this plan | 2023-01-01 | $18,479,839,382 |
| Total transfer of assets from this plan | 2023-01-01 | $16,434,287,050 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $359,316,945 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $535,740,282 |
| Total income from all sources (including contributions) | 2023-01-01 | $30,030,928,550 |
| Total of all expenses incurred | 2023-01-01 | $16,297 |
| Value of total assets at end of year | 2023-01-01 | $144,574,739,174 |
| Value of total assets at beginning of year | 2023-01-01 | $112,674,697,926 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $16,297 |
| Total interest from all sources | 2023-01-01 | $3,696 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-01-01 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $358,577,777 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $535,732,998 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $359,316,945 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $535,740,282 |
| Administrative expenses (other) incurred | 2023-01-01 | $3,300 |
| Value of net income/loss | 2023-01-01 | $30,030,912,253 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $144,215,422,229 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $112,138,957,644 |
| Investment advisory and management fees | 2023-01-01 | $9,117 |
| Value of interest in common/collective trusts at end of year | 2023-01-01 | $144,215,426,571 |
| Value of interest in common/collective trusts at beginning of year | 2023-01-01 | $112,138,963,928 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $734,826 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $3,696 |
| Net investment gain or loss from common/collective trusts | 2023-01-01 | $10,660,562,282 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $16,658,462 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $16,658,462 |
| 2022 : EQUITY INDEX FUND F 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-31,587,014,668 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-31,587,014,668 |
| Total transfer of assets to this plan | 2022-12-31 | $23,767,630,428 |
| Total transfer of assets from this plan | 2022-12-31 | $14,526,152,846 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $535,740,282 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $2,596,273,513 |
| Total income from all sources (including contributions) | 2022-12-31 | $-22,967,142,398 |
| Total of all expenses incurred | 2022-12-31 | $15,899 |
| Value of total assets at end of year | 2022-12-31 | $112,674,697,926 |
| Value of total assets at beginning of year | 2022-12-31 | $128,460,911,872 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $15,899 |
| Total interest from all sources | 2022-12-31 | $355 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Administrative expenses professional fees incurred | 2022-12-31 | $3,753 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $535,732,998 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $2,576,369,035 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $535,740,282 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $2,596,273,513 |
| Administrative expenses (other) incurred | 2022-12-31 | $3,300 |
| Value of net income/loss | 2022-12-31 | $-22,967,158,297 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $112,138,957,644 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $125,864,638,359 |
| Investment advisory and management fees | 2022-12-31 | $8,846 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $112,138,963,928 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $125,884,541,837 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $355 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $8,619,871,915 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $24,318,076 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $24,318,076 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-31,587,014,668 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-31,587,014,668 |
| Total transfer of assets to this plan | 2022-01-01 | $23,767,630,428 |
| Total transfer of assets from this plan | 2022-01-01 | $14,526,152,846 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $535,740,282 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $2,596,273,513 |
| Total income from all sources (including contributions) | 2022-01-01 | $-22,967,142,398 |
| Total of all expenses incurred | 2022-01-01 | $15,899 |
| Value of total assets at end of year | 2022-01-01 | $112,674,697,926 |
| Value of total assets at beginning of year | 2022-01-01 | $128,460,911,872 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $15,899 |
| Total interest from all sources | 2022-01-01 | $355 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-01-01 | No |
| Administrative expenses professional fees incurred | 2022-01-01 | $3,753 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $535,732,998 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $2,576,369,035 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $535,740,282 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $2,596,273,513 |
| Administrative expenses (other) incurred | 2022-01-01 | $3,300 |
| Value of net income/loss | 2022-01-01 | $-22,967,158,297 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $112,138,957,644 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $125,864,638,359 |
| Investment advisory and management fees | 2022-01-01 | $8,846 |
| Value of interest in common/collective trusts at end of year | 2022-01-01 | $112,138,963,928 |
| Value of interest in common/collective trusts at beginning of year | 2022-01-01 | $125,884,541,837 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $355 |
| Net investment gain or loss from common/collective trusts | 2022-01-01 | $8,619,871,915 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $24,318,076 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $24,318,076 |
| 2021 : EQUITY INDEX FUND F 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $13,483,558,818 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $13,483,558,818 |
| Total transfer of assets to this plan | 2021-12-31 | $25,479,983,077 |
| Total transfer of assets from this plan | 2021-12-31 | $21,528,280,511 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $2,596,273,513 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $384,030,935 |
| Total income from all sources (including contributions) | 2021-12-31 | $27,244,650,588 |
| Total of all expenses incurred | 2021-12-31 | $14,923 |
| Value of total assets at end of year | 2021-12-31 | $128,460,911,872 |
| Value of total assets at beginning of year | 2021-12-31 | $95,052,331,063 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $14,923 |
| Total interest from all sources | 2021-12-31 | $1,094 |
| 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 | $3,475 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $2,576,369,035 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $384,022,132 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $2,596,273,513 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $384,030,935 |
| Administrative expenses (other) incurred | 2021-12-31 | $3,300 |
| Value of net income/loss | 2021-12-31 | $27,244,635,665 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $125,864,638,359 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $94,668,300,128 |
| Investment advisory and management fees | 2021-12-31 | $8,148 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $125,884,541,837 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $94,668,307,647 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $1,284 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $1,284 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $1,094 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $13,761,090,676 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $925,187,525 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $925,187,525 |
| 2020 : EQUITY INDEX FUND F 2020 401k financial data |
|---|
| Total transfer of assets to this plan | 2020-12-31 | $14,231,018,450 |
| Total transfer of assets from this plan | 2020-12-31 | $19,225,925,134 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $384,030,935 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $1,011,933,071 |
| Total income from all sources (including contributions) | 2020-12-31 | $14,617,609,668 |
| Total of all expenses incurred | 2020-12-31 | $20,928 |
| Value of total assets at end of year | 2020-12-31 | $95,052,331,063 |
| Value of total assets at beginning of year | 2020-12-31 | $86,057,551,143 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $20,928 |
| Total interest from all sources | 2020-12-31 | $7,120 |
| 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 | $7,273 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $384,022,132 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $1,011,980,009 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $384,030,935 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $1,011,933,071 |
| Administrative expenses (other) incurred | 2020-12-31 | $3,300 |
| Value of net income/loss | 2020-12-31 | $14,617,588,740 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $94,668,300,128 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $85,045,618,072 |
| Investment advisory and management fees | 2020-12-31 | $10,355 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $94,668,307,647 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $85,045,571,134 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $1,284 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $7,120 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $14,617,602,548 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $733,018,325 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $733,018,325 |
| 2019 : EQUITY INDEX FUND F 2019 401k financial data |
|---|
| Total transfer of assets to this plan | 2019-12-31 | $11,945,237,867 |
| Total transfer of assets from this plan | 2019-12-31 | $11,857,993,311 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,011,933,071 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $444,611,886 |
| Expenses. Interest paid | 2019-12-31 | $351 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2019-12-31 | $351 |
| Total income from all sources (including contributions) | 2019-12-31 | $20,442,987,419 |
| Total of all expenses incurred | 2019-12-31 | $15,978 |
| Value of total assets at end of year | 2019-12-31 | $86,057,551,143 |
| Value of total assets at beginning of year | 2019-12-31 | $64,960,013,961 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $15,627 |
| Total interest from all sources | 2019-12-31 | $49,997 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Administrative expenses professional fees incurred | 2019-12-31 | $3,727 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $1,011,980,009 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $444,607,797 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $1,011,933,071 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $444,611,886 |
| Value of net income/loss | 2019-12-31 | $20,442,971,441 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $85,045,618,072 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $64,515,402,075 |
| Investment advisory and management fees | 2019-12-31 | $11,900 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $85,045,571,134 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $64,515,405,164 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $0 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $49,997 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $20,442,937,422 |
| 2018 : EQUITY INDEX FUND F 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-10,476,027,845 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-10,476,027,845 |
| Total transfer of assets to this plan | 2018-12-31 | $19,033,853,618 |
| Total transfer of assets from this plan | 2018-12-31 | $15,691,837,074 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $444,611,886 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $449,260,355 |
| Expenses. Interest paid | 2018-12-31 | $351 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2018-12-31 | $351 |
| Total income from all sources (including contributions) | 2018-12-31 | $-2,898,968,493 |
| Total loss/gain on sale of assets | 2018-12-31 | $1,909,722,475 |
| Total of all expenses incurred | 2018-12-31 | $10,019 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $0 |
| Value of total assets at end of year | 2018-12-31 | $64,960,013,961 |
| Value of total assets at beginning of year | 2018-12-31 | $64,521,624,398 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $9,668 |
| Total interest from all sources | 2018-12-31 | $8,713 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $3,762 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $444,607,797 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $449,186,065 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $444,611,886 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $449,260,355 |
| Value of net income/loss | 2018-12-31 | $-2,898,978,512 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $64,515,402,075 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $64,072,364,043 |
| Investment advisory and management fees | 2018-12-31 | $5,906 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $64,515,405,164 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $64,072,363,485 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $74,848 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $74,848 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $8,713 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $5,667,328,164 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $4,835,084,880 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $2,925,362,405 |
| 2017 : EQUITY INDEX FUND F 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $-2,094,438,872 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $-2,094,438,872 |
| Total transfer of assets to this plan | 2017-12-31 | $14,632,136,969 |
| Total transfer of assets from this plan | 2017-12-31 | $11,309,636,421 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $449,260,355 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,069,895,914 |
| Expenses. Interest paid | 2017-12-31 | $709 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2017-12-31 | $709 |
| Total income from all sources (including contributions) | 2017-12-31 | $11,190,981,140 |
| Total loss/gain on sale of assets | 2017-12-31 | $1,715,498,096 |
| Total of all expenses incurred | 2017-12-31 | $10,320 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $0 |
| Value of total assets at end of year | 2017-12-31 | $64,521,624,398 |
| Value of total assets at beginning of year | 2017-12-31 | $50,628,788,589 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $9,611 |
| Total interest from all sources | 2017-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $3,765 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $449,186,065 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $1,069,895,922 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $449,260,355 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $1,069,895,914 |
| Value of net income/loss | 2017-12-31 | $11,190,970,820 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $64,072,364,043 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $49,558,892,675 |
| Investment advisory and management fees | 2017-12-31 | $5,846 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $64,072,363,485 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $49,558,892,134 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $74,848 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $533 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $11,569,921,916 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $4,472,991,940 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $2,757,493,844 |
| 2016 : EQUITY INDEX FUND F 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $1,501,770,264 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $1,501,770,264 |
| Total transfer of assets to this plan | 2016-12-31 | $11,371,752,848 |
| Total transfer of assets from this plan | 2016-12-31 | $8,882,956,315 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,069,895,914 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $54,140,709 |
| Total income from all sources (including contributions) | 2016-12-31 | $5,400,687,011 |
| Total loss/gain on sale of assets | 2016-12-31 | $1,045,501,412 |
| Total of all expenses incurred | 2016-12-31 | $9,769 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $0 |
| Value of total assets at end of year | 2016-12-31 | $50,628,788,589 |
| Value of total assets at beginning of year | 2016-12-31 | $41,723,559,609 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $9,769 |
| Total interest from all sources | 2016-12-31 | $366 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $3,910 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $1,069,895,922 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $54,137,016 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $1,069,895,914 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $54,140,709 |
| Value of net income/loss | 2016-12-31 | $5,400,677,242 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $49,558,892,675 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $41,669,418,900 |
| Investment advisory and management fees | 2016-12-31 | $5,859 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $49,558,892,134 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $41,669,422,285 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $533 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $308 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $308 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $366 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $2,853,414,969 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $3,338,037,693 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $2,292,536,281 |
| 2015 : EQUITY INDEX FUND F 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-3,463,253,851 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-3,463,253,851 |
| Total transfer of assets to this plan | 2015-12-31 | $9,212,276,499 |
| Total transfer of assets from this plan | 2015-12-31 | $6,793,766,087 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $54,140,709 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $204,236,876 |
| Total income from all sources (including contributions) | 2015-12-31 | $557,911,409 |
| Total loss/gain on sale of assets | 2015-12-31 | $720,057,181 |
| Total of all expenses incurred | 2015-12-31 | $9,739 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $0 |
| Value of total assets at end of year | 2015-12-31 | $41,723,559,609 |
| Value of total assets at beginning of year | 2015-12-31 | $38,897,243,694 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $9,739 |
| Total interest from all sources | 2015-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $3,910 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $54,137,016 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $204,239,094 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $54,140,709 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $204,236,876 |
| Value of net income/loss | 2015-12-31 | $557,901,670 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $41,669,418,900 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $38,693,006,818 |
| Investment advisory and management fees | 2015-12-31 | $5,829 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $41,669,422,285 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $38,692,995,812 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $308 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $8,788 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $8,788 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $3,301,108,079 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $2,572,713,254 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $1,852,656,073 |
| 2014 : EQUITY INDEX FUND F 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $656,666,523 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $656,666,523 |
| Total transfer of assets to this plan | 2014-12-31 | $7,966,952,159 |
| Total transfer of assets from this plan | 2014-12-31 | $8,546,919,427 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $204,236,876 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,018,074,398 |
| Total income from all sources (including contributions) | 2014-12-31 | $4,676,737,615 |
| Total loss/gain on sale of assets | 2014-12-31 | $1,193,705,640 |
| Total of all expenses incurred | 2014-12-31 | $9,707 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $0 |
| Value of total assets at end of year | 2014-12-31 | $38,897,243,694 |
| Value of total assets at beginning of year | 2014-12-31 | $35,614,320,576 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $9,707 |
| Total interest from all sources | 2014-12-31 | $48 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $3,860 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $204,239,094 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $1,018,070,146 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $204,236,876 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $1,018,074,398 |
| Value of net income/loss | 2014-12-31 | $4,676,727,908 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $38,693,006,818 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $34,596,246,178 |
| Investment advisory and management fees | 2014-12-31 | $5,847 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $38,692,995,812 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $34,596,249,754 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $8,788 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $676 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $676 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $48 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $2,826,365,404 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $3,349,400,986 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $2,155,695,346 |
| 2013 : EQUITY INDEX FUND F 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $5,403,281,575 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $5,403,281,575 |
| Total transfer of assets to this plan | 2013-12-31 | $5,880,362,833 |
| Total transfer of assets from this plan | 2013-12-31 | $6,089,621,459 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $1,018,074,398 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $43,388,172 |
| Total income from all sources (including contributions) | 2013-12-31 | $8,418,285,524 |
| Total loss/gain on sale of assets | 2013-12-31 | $1,176,202,117 |
| Total of all expenses incurred | 2013-12-31 | $9,938 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $0 |
| Value of total assets at end of year | 2013-12-31 | $35,614,320,576 |
| Value of total assets at beginning of year | 2013-12-31 | $26,430,617,390 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $9,938 |
| Total interest from all sources | 2013-12-31 | $35 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $4,100 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $1,018,070,146 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $43,383,697 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $1,018,074,398 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $43,388,172 |
| Value of net income/loss | 2013-12-31 | $8,418,275,586 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $34,596,246,178 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $26,387,229,218 |
| Investment advisory and management fees | 2013-12-31 | $5,838 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $34,596,249,754 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $26,387,232,693 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $676 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $35 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $1,838,801,797 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $3,445,096,852 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $2,268,894,735 |
| 2012 : EQUITY INDEX FUND F 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $2,235,777,508 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $2,235,777,508 |
| Total transfer of assets to this plan | 2012-12-31 | $5,083,222,755 |
| Total transfer of assets from this plan | 2012-12-31 | $5,494,215,651 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $43,388,172 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $808,539,052 |
| Total income from all sources (including contributions) | 2012-12-31 | $3,719,970,140 |
| Total loss/gain on sale of assets | 2012-12-31 | $653,330,864 |
| Total of all expenses incurred | 2012-12-31 | $9,890 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $0 |
| Value of total assets at end of year | 2012-12-31 | $26,430,617,390 |
| Value of total assets at beginning of year | 2012-12-31 | $23,886,800,916 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $9,890 |
| Total interest from all sources | 2012-12-31 | $98 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $4,000 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $43,383,697 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $808,534,705 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $43,388,172 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $808,539,052 |
| Value of net income/loss | 2012-12-31 | $3,719,960,250 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $26,387,229,218 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $23,078,261,864 |
| Investment advisory and management fees | 2012-12-31 | $5,890 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $26,387,232,693 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $23,078,265,275 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $936 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $936 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $98 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $830,861,670 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $2,378,405,351 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $1,725,074,487 |
| 2011 : EQUITY INDEX FUND F 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-1,075,917,348 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-1,075,917,348 |
| Total transfer of assets to this plan | 2011-12-31 | $7,949,682,554 |
| Total transfer of assets from this plan | 2011-12-31 | $7,060,241,311 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $808,539,052 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $5,451 |
| Total income from all sources (including contributions) | 2011-12-31 | $433,928,960 |
| Total loss/gain on sale of assets | 2011-12-31 | $970,910,892 |
| Total of all expenses incurred | 2011-12-31 | $10,793 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $0 |
| Value of total assets at end of year | 2011-12-31 | $23,886,800,916 |
| Value of total assets at beginning of year | 2011-12-31 | $21,754,907,905 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $10,793 |
| Total interest from all sources | 2011-12-31 | $36 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $4,975 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $808,534,705 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $808,539,052 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $5,451 |
| Administrative expenses (other) incurred | 2011-12-31 | $-20 |
| Value of net income/loss | 2011-12-31 | $433,918,167 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $23,078,261,864 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $21,754,902,454 |
| Investment advisory and management fees | 2011-12-31 | $5,838 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $23,078,265,275 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $21,754,905,393 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $936 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $2,512 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $2,512 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $36 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $538,935,380 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $3,391,085,414 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $2,420,174,522 |
| 2010 : EQUITY INDEX FUND F 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $3,173,329,832 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $3,173,329,832 |
| Total transfer of assets to this plan | 2010-12-31 | $3,681,123,482 |
| Total transfer of assets from this plan | 2010-12-31 | $3,000,476,343 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $5,451 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $5,776 |
| Total income from all sources (including contributions) | 2010-12-31 | $2,837,050,719 |
| Total loss/gain on sale of assets | 2010-12-31 | $293,193,384 |
| Total of all expenses incurred | 2010-12-31 | $10,800 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $0 |
| Value of total assets at end of year | 2010-12-31 | $21,754,907,905 |
| Value of total assets at beginning of year | 2010-12-31 | $18,237,221,172 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $10,800 |
| Total interest from all sources | 2010-12-31 | $71 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $4,975 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $5,451 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $5,776 |
| Value of net income/loss | 2010-12-31 | $2,837,039,919 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $21,754,902,454 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $18,237,215,396 |
| Investment advisory and management fees | 2010-12-31 | $5,825 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $21,754,905,393 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $18,237,220,315 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $2,512 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $857 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $857 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $71 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $-629,472,568 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $1,445,598,676 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $1,152,405,292 |
