BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. has sponsored the creation of one or more 401k plans.
| Measure | Date | Value |
|---|
| 2023 : RUSSELL 1000 INDEX FUND F 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $3,356,396,600 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $3,356,396,600 |
| Total transfer of assets to this plan | 2023-12-31 | $4,776,683,861 |
| Total transfer of assets from this plan | 2023-12-31 | $4,696,140,982 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $97,571,040 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $139,353,580 |
| Total income from all sources (including contributions) | 2023-12-31 | $4,820,429,688 |
| Total of all expenses incurred | 2023-12-31 | $60,822 |
| Value of total assets at end of year | 2023-12-31 | $22,789,166,510 |
| Value of total assets at beginning of year | 2023-12-31 | $17,930,037,305 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $60,822 |
| Total interest from all sources | 2023-12-31 | $46 |
| 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 | $97,456,366 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $139,283,441 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $97,571,040 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $139,353,580 |
| Administrative expenses (other) incurred | 2023-12-31 | $2,293 |
| Value of net income/loss | 2023-12-31 | $4,820,368,866 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $22,691,595,470 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $17,790,683,725 |
| Investment advisory and management fees | 2023-12-31 | $54,667 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $22,691,709,996 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $17,790,753,469 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $148 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $395 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $395 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $46 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $1,464,033,042 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $18,205 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $18,205 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $3,356,396,600 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $3,356,396,600 |
| Total transfer of assets to this plan | 2023-01-01 | $4,776,683,861 |
| Total transfer of assets from this plan | 2023-01-01 | $4,696,140,982 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $97,571,040 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $139,353,580 |
| Total income from all sources (including contributions) | 2023-01-01 | $4,820,429,688 |
| Total of all expenses incurred | 2023-01-01 | $60,822 |
| Value of total assets at end of year | 2023-01-01 | $22,789,166,510 |
| Value of total assets at beginning of year | 2023-01-01 | $17,930,037,305 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $60,822 |
| Total interest from all sources | 2023-01-01 | $46 |
| 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 | $97,456,366 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $139,283,441 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $97,571,040 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $139,353,580 |
| Administrative expenses (other) incurred | 2023-01-01 | $2,293 |
| Value of net income/loss | 2023-01-01 | $4,820,368,866 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $22,691,595,470 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $17,790,683,725 |
| Investment advisory and management fees | 2023-01-01 | $54,667 |
| Value of interest in common/collective trusts at end of year | 2023-01-01 | $22,691,709,996 |
| Value of interest in common/collective trusts at beginning of year | 2023-01-01 | $17,790,753,469 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $148 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $46 |
| Net investment gain or loss from common/collective trusts | 2023-01-01 | $1,464,033,042 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $18,205 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $18,205 |
| 2022 : RUSSELL 1000 INDEX FUND F 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-5,014,425,016 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-5,014,425,016 |
| Total transfer of assets to this plan | 2022-12-31 | $5,280,847,922 |
| Total transfer of assets from this plan | 2022-12-31 | $3,136,073,156 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $139,353,580 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $174,745,063 |
| Total income from all sources (including contributions) | 2022-12-31 | $-3,891,741,711 |
| Total of all expenses incurred | 2022-12-31 | $60,976 |
| Value of total assets at end of year | 2022-12-31 | $17,930,037,305 |
| Value of total assets at beginning of year | 2022-12-31 | $19,712,456,709 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $60,976 |
| Total interest from all sources | 2022-12-31 | $16 |
| 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 | $3,787 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $139,283,441 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $174,720,813 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $139,353,580 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $174,745,063 |
| Administrative expenses (other) incurred | 2022-12-31 | $3,300 |
| Value of net income/loss | 2022-12-31 | $-3,891,802,687 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $17,790,683,725 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $19,537,711,646 |
| Investment advisory and management fees | 2022-12-31 | $53,889 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $17,790,753,469 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $19,537,734,896 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $395 |
| 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 | $16 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $1,122,683,289 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $14,257 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $14,257 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-5,014,425,016 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-5,014,425,016 |
| Total transfer of assets to this plan | 2022-01-01 | $5,280,847,922 |
| Total transfer of assets from this plan | 2022-01-01 | $3,136,073,156 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $139,353,580 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $174,745,063 |
| Total income from all sources (including contributions) | 2022-01-01 | $-3,891,741,711 |
| Total of all expenses incurred | 2022-01-01 | $60,976 |
| Value of total assets at end of year | 2022-01-01 | $17,930,037,305 |
| Value of total assets at beginning of year | 2022-01-01 | $19,712,456,709 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $60,976 |
| Total interest from all sources | 2022-01-01 | $16 |
| 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 | $3,787 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $139,283,441 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $174,720,813 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $139,353,580 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $174,745,063 |
| Administrative expenses (other) incurred | 2022-01-01 | $3,300 |
| Value of net income/loss | 2022-01-01 | $-3,891,802,687 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $17,790,683,725 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $19,537,711,646 |
| Investment advisory and management fees | 2022-01-01 | $53,889 |
| Value of interest in common/collective trusts at end of year | 2022-01-01 | $17,790,753,469 |
| Value of interest in common/collective trusts at beginning of year | 2022-01-01 | $19,537,734,896 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $395 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $16 |
| Net investment gain or loss from common/collective trusts | 2022-01-01 | $1,122,683,289 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $14,257 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $14,257 |
| 2021 : RUSSELL 1000 INDEX FUND F 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $1,455,178,502 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $1,455,178,502 |
| Total transfer of assets to this plan | 2021-12-31 | $9,916,980,146 |
| Total transfer of assets from this plan | 2021-12-31 | $10,549,030,754 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $174,745,063 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $126,435,941 |
| Total income from all sources (including contributions) | 2021-12-31 | $4,282,263,047 |
| Total of all expenses incurred | 2021-12-31 | $62,028 |
| Value of total assets at end of year | 2021-12-31 | $19,712,456,709 |
| Value of total assets at beginning of year | 2021-12-31 | $16,013,997,176 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $62,028 |
| Total interest from all sources | 2021-12-31 | $9 |
| 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 | $3,377 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $174,720,813 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $126,429,188 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $174,745,063 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $126,435,941 |
| Administrative expenses (other) incurred | 2021-12-31 | $3,300 |
| Value of net income/loss | 2021-12-31 | $4,282,201,019 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $19,537,711,646 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $15,887,561,235 |
| Investment advisory and management fees | 2021-12-31 | $55,351 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $19,537,734,896 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $15,887,567,535 |
| 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 | $453 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $453 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $9 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $2,827,084,536 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $831,219 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $831,219 |
| 2020 : RUSSELL 1000 INDEX FUND F 2020 401k financial data |
|---|
| Total transfer of assets to this plan | 2020-12-31 | $4,712,233,188 |
| Total transfer of assets from this plan | 2020-12-31 | $3,636,658,805 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $126,435,941 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $134,086,931 |
| Total income from all sources (including contributions) | 2020-12-31 | $2,627,777,694 |
| Total of all expenses incurred | 2020-12-31 | $13,412 |
| Value of total assets at end of year | 2020-12-31 | $16,013,997,176 |
| Value of total assets at beginning of year | 2020-12-31 | $12,318,309,501 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $13,412 |
| Total interest from all sources | 2020-12-31 | $7,274 |
| 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 | $3,613 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $126,429,188 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $134,080,987 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $126,435,941 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $134,086,931 |
| Administrative expenses (other) incurred | 2020-12-31 | $3,300 |
| Value of net income/loss | 2020-12-31 | $2,627,764,282 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $15,887,561,235 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $12,184,222,570 |
| Investment advisory and management fees | 2020-12-31 | $6,499 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $15,887,567,535 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $12,184,227,514 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $453 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $7,274 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $2,627,770,420 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $1,070,840,077 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $1,070,840,077 |
| 2019 : RUSSELL 1000 INDEX FUND F 2019 401k financial data |
|---|
| Total transfer of assets to this plan | 2019-12-31 | $3,170,600,907 |
| Total transfer of assets from this plan | 2019-12-31 | $1,606,295,669 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $134,086,931 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $35,747,325 |
| Total income from all sources (including contributions) | 2019-12-31 | $2,686,051,409 |
| Total of all expenses incurred | 2019-12-31 | $21,337 |
| Value of total assets at end of year | 2019-12-31 | $12,318,309,501 |
| Value of total assets at beginning of year | 2019-12-31 | $7,969,634,585 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $21,337 |
| Total interest from all sources | 2019-12-31 | $6,839 |
| 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 | $134,080,987 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $35,744,275 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $134,086,931 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $35,747,325 |
| Value of net income/loss | 2019-12-31 | $2,686,030,072 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $12,184,222,570 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $7,933,887,260 |
| Investment advisory and management fees | 2019-12-31 | $17,610 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $12,184,227,514 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $7,933,889,777 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $1,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $533 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $6,839 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $2,686,044,570 |
| 2018 : RUSSELL 1000 INDEX FUND F 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-2,017,056,259 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-2,017,056,259 |
| Total transfer of assets to this plan | 2018-12-31 | $2,490,659,925 |
| Total transfer of assets from this plan | 2018-12-31 | $2,728,855,059 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $35,747,325 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $516,194,369 |
| Total income from all sources (including contributions) | 2018-12-31 | $-385,149,750 |
| Total loss/gain on sale of assets | 2018-12-31 | $63,634,258 |
| Total of all expenses incurred | 2018-12-31 | $9,313 |
| 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 | $7,969,634,585 |
| Value of total assets at beginning of year | 2018-12-31 | $9,073,435,826 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $9,313 |
| Total interest from all sources | 2018-12-31 | $35 |
| 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 | $35,744,275 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $516,192,119 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $35,747,325 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $516,194,369 |
| Administrative expenses (other) incurred | 2018-12-31 | $-355 |
| Value of net income/loss | 2018-12-31 | $-385,159,063 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $7,933,887,260 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $8,557,241,457 |
| Investment advisory and management fees | 2018-12-31 | $5,906 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $7,933,889,777 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $8,557,242,707 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $533 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $1,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $1,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $35 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $1,568,272,216 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $1,224,718,427 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $1,161,084,169 |
| 2017 : RUSSELL 1000 INDEX FUND F 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $838,917,991 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $838,917,991 |
| Total transfer of assets to this plan | 2017-12-31 | $3,033,447,992 |
| Total transfer of assets from this plan | 2017-12-31 | $1,900,584,782 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $516,194,369 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $76,541,899 |
| Total income from all sources (including contributions) | 2017-12-31 | $1,444,066,425 |
| Total loss/gain on sale of assets | 2017-12-31 | $63,333,658 |
| Total of all expenses incurred | 2017-12-31 | $9,610 |
| 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 | $9,073,435,826 |
| Value of total assets at beginning of year | 2017-12-31 | $6,056,863,331 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $9,610 |
| Total interest from all sources | 2017-12-31 | $11 |
| 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 | $516,192,119 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $76,541,907 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $516,194,369 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $76,541,899 |
| Value of net income/loss | 2017-12-31 | $1,444,056,815 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $8,557,241,457 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $5,980,321,432 |
| Investment advisory and management fees | 2017-12-31 | $5,845 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $8,557,242,707 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $5,980,320,891 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $1,000 |
| 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 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $11 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $541,814,765 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $906,618,349 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $843,284,691 |
| 2016 : RUSSELL 1000 INDEX FUND F 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $-306,529,368 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $-306,529,368 |
| Total transfer of assets to this plan | 2016-12-31 | $2,492,224,972 |
| Total transfer of assets from this plan | 2016-12-31 | $3,375,307,415 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $76,541,899 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $49,961,138 |
| Total income from all sources (including contributions) | 2016-12-31 | $685,575,206 |
| Total loss/gain on sale of assets | 2016-12-31 | $179,982,079 |
| 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 | $6,056,863,331 |
| Value of total assets at beginning of year | 2016-12-31 | $6,227,799,576 |
| 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 | $9 |
| 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 | $76,541,907 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $49,957,448 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $76,541,899 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $49,961,138 |
| Value of net income/loss | 2016-12-31 | $685,565,437 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $5,980,321,432 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $6,177,838,438 |
| Investment advisory and management fees | 2016-12-31 | $5,859 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $5,980,320,891 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $6,177,841,820 |
| 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 | $9 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $812,122,486 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $2,321,886,425 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $2,141,904,346 |
| 2015 : RUSSELL 1000 INDEX FUND F 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-581,979,169 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-581,979,169 |
| Total transfer of assets to this plan | 2015-12-31 | $2,968,429,870 |
| Total transfer of assets from this plan | 2015-12-31 | $2,338,721,964 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $49,961,138 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $7,864,661 |
| Total income from all sources (including contributions) | 2015-12-31 | $61,399,358 |
| Total loss/gain on sale of assets | 2015-12-31 | $114,721,414 |
| Total of all expenses incurred | 2015-12-31 | $9,736 |
| 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 | $6,227,799,576 |
| Value of total assets at beginning of year | 2015-12-31 | $5,494,605,571 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $9,736 |
| 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 | $49,957,448 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $7,860,326 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $49,961,138 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $7,864,661 |
| Value of net income/loss | 2015-12-31 | $61,389,622 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $6,177,838,438 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $5,486,740,910 |
| Investment advisory and management fees | 2015-12-31 | $5,826 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $6,177,841,820 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $5,486,744,712 |
| 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 | $533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $533 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $528,657,113 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $711,841,584 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $597,120,170 |
| 2014 : RUSSELL 1000 INDEX FUND F 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $-20,159,707 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $-20,159,707 |
| Total transfer of assets to this plan | 2014-12-31 | $1,502,538,788 |
| Total transfer of assets from this plan | 2014-12-31 | $888,396,276 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $7,864,661 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $10,052,195 |
| Total income from all sources (including contributions) | 2014-12-31 | $618,688,505 |
| Total loss/gain on sale of assets | 2014-12-31 | $128,416,057 |
| Total of all expenses incurred | 2014-12-31 | $9,706 |
| 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 | $5,494,605,571 |
| Value of total assets at beginning of year | 2014-12-31 | $4,263,971,794 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $9,706 |
| Total interest from all sources | 2014-12-31 | $0 |
| 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 | $7,860,326 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $10,047,620 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $7,864,661 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $10,052,195 |
| Value of net income/loss | 2014-12-31 | $618,678,799 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $5,486,740,910 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $4,253,919,599 |
| Investment advisory and management fees | 2014-12-31 | $5,846 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $5,486,744,712 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $4,253,923,641 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $533 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $533 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $510,432,155 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $642,623,992 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $514,207,935 |
| 2013 : RUSSELL 1000 INDEX FUND F 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $606,118,202 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $606,118,202 |
| Total transfer of assets to this plan | 2013-12-31 | $2,473,128,602 |
| Total transfer of assets from this plan | 2013-12-31 | $2,164,554,392 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $10,052,195 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $5,640,485 |
| Total income from all sources (including contributions) | 2013-12-31 | $1,035,112,571 |
| Total loss/gain on sale of assets | 2013-12-31 | $79,006,835 |
| Total of all expenses incurred | 2013-12-31 | $9,936 |
| 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 | $4,263,971,794 |
| Value of total assets at beginning of year | 2013-12-31 | $2,915,883,239 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $9,936 |
| Total interest from all sources | 2013-12-31 | $0 |
| 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 | $10,047,620 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $5,635,010 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $10,052,195 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $5,640,485 |
| Value of net income/loss | 2013-12-31 | $1,035,102,635 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $4,253,919,599 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $2,910,242,754 |
| Investment advisory and management fees | 2013-12-31 | $5,836 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $4,253,923,641 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $2,910,247,129 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $533 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $1,100 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $1,100 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $349,987,534 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $503,335,997 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $424,329,162 |
| 2012 : RUSSELL 1000 INDEX FUND F 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $199,897,964 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $199,897,964 |
| Total transfer of assets to this plan | 2012-12-31 | $1,054,742,528 |
| Total transfer of assets from this plan | 2012-12-31 | $484,821,337 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $5,640,485 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $35,879,223 |
| Total income from all sources (including contributions) | 2012-12-31 | $336,083,044 |
| Total loss/gain on sale of assets | 2012-12-31 | $15,637,824 |
| Total of all expenses incurred | 2012-12-31 | $9,889 |
| 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 | $2,915,883,239 |
| Value of total assets at beginning of year | 2012-12-31 | $2,040,127,631 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $9,889 |
| Total interest from all sources | 2012-12-31 | $0 |
| 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 | $5,635,010 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $35,873,927 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $5,640,485 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $35,879,223 |
| Value of net income/loss | 2012-12-31 | $336,073,155 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $2,910,242,754 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $2,004,248,408 |
| Investment advisory and management fees | 2012-12-31 | $5,889 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $2,910,247,129 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $2,004,252,897 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $1,100 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $807 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $807 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $120,547,256 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $358,038,204 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $342,400,380 |
| 2011 : RUSSELL 1000 INDEX FUND F 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-86,410,002 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-86,410,002 |
| Total transfer of assets to this plan | 2011-12-31 | $2,253,202,341 |
| Total transfer of assets from this plan | 2011-12-31 | $370,380,514 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $35,879,223 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $27,580,619 |
| Total income from all sources (including contributions) | 2011-12-31 | $-28,677,248 |
| Total loss/gain on sale of assets | 2011-12-31 | $-12,570,020 |
| Total of all expenses incurred | 2011-12-31 | $10,813 |
| 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 | $2,040,127,631 |
| Value of total assets at beginning of year | 2011-12-31 | $177,695,261 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $10,813 |
| Total interest from all sources | 2011-12-31 | $35 |
| 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 | $35,873,927 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $27,576,384 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $35,879,223 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $27,580,619 |
| Value of net income/loss | 2011-12-31 | $-28,688,061 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $2,004,248,408 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $150,114,642 |
| Investment advisory and management fees | 2011-12-31 | $5,838 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $2,004,252,897 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $150,118,691 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $807 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $186 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $186 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $35 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $70,302,739 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $246,501,632 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $259,071,652 |
| 2010 : RUSSELL 1000 INDEX FUND F 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $-24,499,007 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $-24,499,007 |
| Total transfer of assets to this plan | 2010-12-31 | $441,059,898 |
| Total transfer of assets from this plan | 2010-12-31 | $547,832,197 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $27,580,619 |
| 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 | $34,473,761 |
| Total loss/gain on sale of assets | 2010-12-31 | $9,779,966 |
| Total of all expenses incurred | 2010-12-31 | $10,359 |
| 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 | $177,695,261 |
| Value of total assets at beginning of year | 2010-12-31 | $222,429,315 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $10,359 |
| Total interest from all sources | 2010-12-31 | $0 |
| 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 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $27,576,384 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $27,580,619 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $5,776 |
| Administrative expenses (other) incurred | 2010-12-31 | $-441 |
| Value of net income/loss | 2010-12-31 | $34,463,402 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $150,114,642 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $222,423,539 |
| Investment advisory and management fees | 2010-12-31 | $5,825 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $150,118,691 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $222,428,483 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $186 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $832 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $832 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $49,192,802 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $412,362,254 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $402,582,288 |