BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan MID CAPITALIZATION EQUITY INDEX FUND
| Measure | Date | Value |
|---|
| 2023 : MID CAPITALIZATION EQUITY INDEX FUND 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $795,572,176 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $795,572,176 |
| Total transfer of assets to this plan | 2023-12-31 | $651,353,779 |
| Total transfer of assets from this plan | 2023-12-31 | $761,229,726 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $2,394,632,911 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $2,194,027,973 |
| Total income from all sources (including contributions) | 2023-12-31 | $1,109,982,435 |
| Total loss/gain on sale of assets | 2023-12-31 | $177,908,029 |
| Total of all expenses incurred | 2023-12-31 | $204,747 |
| Value of total assets at end of year | 2023-12-31 | $10,156,593,953 |
| Value of total assets at beginning of year | 2023-12-31 | $8,956,087,274 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $204,747 |
| Total interest from all sources | 2023-12-31 | $6,239,600 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $121,411,627 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-12-31 | $1,310,687 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $53,324,141 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $39,433,783 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $2,394,632,911 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $2,194,027,973 |
| Administrative expenses (other) incurred | 2023-12-31 | $-21,854 |
| Total non interest bearing cash at end of year | 2023-12-31 | $1,282,156 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $1,982,193 |
| Value of net income/loss | 2023-12-31 | $1,109,777,688 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $7,761,961,042 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $6,762,059,301 |
| Investment advisory and management fees | 2023-12-31 | $216,228 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $66,218,341 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $16,026,421 |
| Interest earned on other investments | 2023-12-31 | $4,219,198 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $2,357,037,366 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $2,214,525,182 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $2,214,525,182 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $2,020,402 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-12-31 | $8,851,003 |
| Income. Dividends from common stock | 2023-12-31 | $120,100,940 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $7,678,731,949 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $6,684,119,695 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $2,690,936,382 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $2,513,028,353 |
| 2022 : MID CAPITALIZATION EQUITY INDEX FUND 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-1,655,642,649 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-1,655,642,649 |
| Total transfer of assets to this plan | 2022-12-31 | $404,092,482 |
| Total transfer of assets from this plan | 2022-12-31 | $1,291,282,601 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $2,194,027,973 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $2,199,079,791 |
| Total income from all sources (including contributions) | 2022-12-31 | $-1,155,511,055 |
| Total loss/gain on sale of assets | 2022-12-31 | $396,272,171 |
| Total of all expenses incurred | 2022-12-31 | $164,616 |
| Value of total assets at end of year | 2022-12-31 | $8,956,087,274 |
| Value of total assets at beginning of year | 2022-12-31 | $11,004,004,882 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $164,616 |
| Total interest from all sources | 2022-12-31 | $4,390,183 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $119,105,740 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $1,161,022 |
| Administrative expenses professional fees incurred | 2022-12-31 | $10,468 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $39,433,783 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $8,517,155 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $2,194,027,973 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $2,199,079,791 |
| Administrative expenses (other) incurred | 2022-12-31 | $-62,076 |
| Total non interest bearing cash at end of year | 2022-12-31 | $1,982,193 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $4,753,273 |
| Value of net income/loss | 2022-12-31 | $-1,155,675,671 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $6,762,059,301 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $8,804,925,091 |
| Investment advisory and management fees | 2022-12-31 | $216,224 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $16,026,421 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $121,992,760 |
| Interest earned on other investments | 2022-12-31 | $3,557,359 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $2,214,525,182 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $2,261,064,822 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $2,261,064,822 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $832,824 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $-19,636,500 |
| Income. Dividends from common stock | 2022-12-31 | $117,944,718 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $6,684,119,695 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $8,607,676,872 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $3,049,894,035 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $2,653,621,864 |
| 2021 : MID CAPITALIZATION EQUITY INDEX FUND 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $813,726,110 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $813,726,110 |
| Total transfer of assets to this plan | 2021-12-31 | $727,725,487 |
| Total transfer of assets from this plan | 2021-12-31 | $1,101,102,735 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $2,199,079,791 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $1,964,646,091 |
| Expenses. Interest paid | 2021-12-31 | $728 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2021-12-31 | $728 |
| Total income from all sources (including contributions) | 2021-12-31 | $1,792,933,122 |
| Total loss/gain on sale of assets | 2021-12-31 | $845,317,455 |
| Total of all expenses incurred | 2021-12-31 | $173,046 |
| Value of total assets at end of year | 2021-12-31 | $11,004,004,882 |
| Value of total assets at beginning of year | 2021-12-31 | $9,350,188,354 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $172,318 |
| Total interest from all sources | 2021-12-31 | $2,384,473 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $113,161,739 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2021-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $1,609,405 |
| Administrative expenses professional fees incurred | 2021-12-31 | $10,941 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $8,517,155 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $11,983,493 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $2,199,079,791 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $1,964,646,091 |
| Administrative expenses (other) incurred | 2021-12-31 | $-87,551 |
| Total non interest bearing cash at end of year | 2021-12-31 | $4,753,273 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $3,315,822 |
| Value of net income/loss | 2021-12-31 | $1,792,760,076 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $8,804,925,091 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $7,385,542,263 |
| Investment advisory and management fees | 2021-12-31 | $248,928 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $121,992,760 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $32,985,891 |
| Interest earned on other investments | 2021-12-31 | $2,273,939 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $2,261,064,822 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $1,965,624,334 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $1,965,624,334 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $110,534 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $18,343,345 |
| Income. Dividends from common stock | 2021-12-31 | $111,552,334 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $8,607,676,872 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $7,336,278,814 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $3,751,952,026 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $2,906,634,571 |
| 2020 : MID CAPITALIZATION EQUITY INDEX FUND 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $511,354,284 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $511,354,284 |
| Total transfer of assets to this plan | 2020-12-31 | $1,019,415,397 |
| Total transfer of assets from this plan | 2020-12-31 | $1,317,703,233 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $1,964,646,091 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $2,323,197,102 |
| Total income from all sources (including contributions) | 2020-12-31 | $980,811,753 |
| Total loss/gain on sale of assets | 2020-12-31 | $343,177,911 |
| Total of all expenses incurred | 2020-12-31 | $175,990 |
| Value of total assets at end of year | 2020-12-31 | $9,350,188,354 |
| Value of total assets at beginning of year | 2020-12-31 | $9,026,391,438 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $175,990 |
| Total interest from all sources | 2020-12-31 | $5,288,958 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $106,725,643 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2020-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2020-12-31 | $766,364 |
| Administrative expenses professional fees incurred | 2020-12-31 | $11,207 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $11,983,493 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $24,518,632 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $1,964,646,091 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $2,323,197,102 |
| Administrative expenses (other) incurred | 2020-12-31 | $-35,975 |
| Total non interest bearing cash at end of year | 2020-12-31 | $3,315,822 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $23,993,259 |
| Value of net income/loss | 2020-12-31 | $980,635,763 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $7,385,542,263 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $6,703,194,336 |
| Investment advisory and management fees | 2020-12-31 | $200,758 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $32,985,891 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $39,503,033 |
| Interest earned on other investments | 2020-12-31 | $5,035,470 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $1,965,624,334 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $2,312,647,753 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $2,312,647,753 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $253,488 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $14,264,957 |
| Income. Dividends from common stock | 2020-12-31 | $105,959,279 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $7,336,278,814 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $6,625,728,761 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $4,045,745,769 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $3,702,567,858 |
| 2019 : MID CAPITALIZATION EQUITY INDEX FUND 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $1,029,257,550 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $1,029,257,550 |
| Total transfer of assets to this plan | 2019-12-31 | $773,140,695 |
| Total transfer of assets from this plan | 2019-12-31 | $546,338,432 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $2,323,197,102 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,595,725,921 |
| Total income from all sources (including contributions) | 2019-12-31 | $1,352,464,260 |
| Total loss/gain on sale of assets | 2019-12-31 | $209,470,199 |
| Total of all expenses incurred | 2019-12-31 | $161,844 |
| Value of total assets at end of year | 2019-12-31 | $9,026,391,438 |
| Value of total assets at beginning of year | 2019-12-31 | $6,719,815,578 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $161,844 |
| Total interest from all sources | 2019-12-31 | $5,992,656 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $102,307,554 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2019-12-31 | $781,522 |
| Administrative expenses professional fees incurred | 2019-12-31 | $12,165 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $24,518,632 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $14,251,924 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $2,323,197,102 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $1,595,725,921 |
| Administrative expenses (other) incurred | 2019-12-31 | $-25,981 |
| Total non interest bearing cash at end of year | 2019-12-31 | $23,993,259 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $60,138 |
| Value of net income/loss | 2019-12-31 | $1,352,302,416 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $6,703,194,336 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $5,124,089,657 |
| Investment advisory and management fees | 2019-12-31 | $175,660 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $39,503,033 |
| Interest earned on other investments | 2019-12-31 | $4,535,652 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $2,312,647,753 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $1,638,643,360 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $1,638,643,360 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $1,457,004 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $5,436,301 |
| Income. Dividends from common stock | 2019-12-31 | $101,526,032 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $6,625,728,761 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $5,066,860,156 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $1,253,995,347 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $1,044,525,148 |
| 2018 : MID CAPITALIZATION EQUITY INDEX FUND 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-1,056,155,752 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-1,056,155,752 |
| Total transfer of assets to this plan | 2018-12-31 | $1,528,762,464 |
| Total transfer of assets from this plan | 2018-12-31 | $629,286,142 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $1,595,725,921 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $1,409,381,891 |
| Expenses. Interest paid | 2018-12-31 | $100 |
| 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 | $100 |
| Total income from all sources (including contributions) | 2018-12-31 | $-620,506,062 |
| Total loss/gain on sale of assets | 2018-12-31 | $340,487,959 |
| Total of all expenses incurred | 2018-12-31 | $247,478 |
| Value of total assets at end of year | 2018-12-31 | $6,719,815,578 |
| Value of total assets at beginning of year | 2018-12-31 | $6,254,748,766 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $247,378 |
| Total interest from all sources | 2018-12-31 | $6,038,742 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $89,122,989 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2018-12-31 | No |
| Administrative expenses professional fees incurred | 2018-12-31 | $24,135 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $14,251,924 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $14,184,997 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $1,595,725,921 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $1,409,381,891 |
| Administrative expenses (other) incurred | 2018-12-31 | $4,028 |
| Total non interest bearing cash at end of year | 2018-12-31 | $60,138 |
| Value of net income/loss | 2018-12-31 | $-620,753,540 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $5,124,089,657 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $4,845,366,875 |
| Investment advisory and management fees | 2018-12-31 | $219,215 |
| Interest earned on other investments | 2018-12-31 | $4,084,891 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $1,638,643,360 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $1,457,538,354 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $1,457,538,354 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $1,953,851 |
| Income. Dividends from common stock | 2018-12-31 | $89,122,989 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $5,066,860,156 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $4,783,025,415 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $1,117,621,775 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $777,133,816 |
| 2017 : MID CAPITALIZATION EQUITY INDEX FUND 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $207,650,479 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $207,650,479 |
| Total transfer of assets to this plan | 2017-12-31 | $580,102,675 |
| Total transfer of assets from this plan | 2017-12-31 | $752,269,727 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,409,381,891 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,094,606,538 |
| Expenses. Interest paid | 2017-12-31 | $56 |
| 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 | $56 |
| Total income from all sources (including contributions) | 2017-12-31 | $682,723,216 |
| Total loss/gain on sale of assets | 2017-12-31 | $401,447,099 |
| Total of all expenses incurred | 2017-12-31 | $288,931 |
| 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 | $6,254,748,766 |
| Value of total assets at beginning of year | 2017-12-31 | $5,429,706,180 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $288,875 |
| Total interest from all sources | 2017-12-31 | $4,534,848 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $69,090,789 |
| Administrative expenses professional fees incurred | 2017-12-31 | $12,316 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $14,184,997 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $8,790,342 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $1,409,381,891 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $1,094,606,538 |
| Other income not declared elsewhere | 2017-12-31 | $1 |
| Value of net income/loss | 2017-12-31 | $682,434,285 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $4,845,366,875 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $4,335,099,642 |
| Investment advisory and management fees | 2017-12-31 | $276,559 |
| Interest earned on other investments | 2017-12-31 | $3,688,210 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $1,457,538,354 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $1,180,490,901 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $1,180,490,901 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $846,638 |
| Income. Dividends from common stock | 2017-12-31 | $69,090,789 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $4,783,025,415 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $4,240,424,937 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $1,254,897,807 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $853,450,708 |
| 2016 : MID CAPITALIZATION EQUITY INDEX FUND 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $441,719,660 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $441,719,660 |
| Total transfer of assets to this plan | 2016-12-31 | $514,005,695 |
| Total transfer of assets from this plan | 2016-12-31 | $526,393,156 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,094,606,538 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,011,762,283 |
| Total income from all sources (including contributions) | 2016-12-31 | $758,767,340 |
| Total loss/gain on sale of assets | 2016-12-31 | $244,380,083 |
| Total of all expenses incurred | 2016-12-31 | $257,705 |
| 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 | $5,429,706,180 |
| Value of total assets at beginning of year | 2016-12-31 | $4,600,739,751 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $257,705 |
| Total interest from all sources | 2016-12-31 | $3,967,187 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $68,700,410 |
| Administrative expenses professional fees incurred | 2016-12-31 | $12,590 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $8,790,342 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $17,228,224 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $1,094,606,538 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $1,011,762,283 |
| Value of net income/loss | 2016-12-31 | $758,509,635 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $4,335,099,642 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $3,588,977,468 |
| Investment advisory and management fees | 2016-12-31 | $245,115 |
| Interest earned on other investments | 2016-12-31 | $3,486,255 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $1,180,490,901 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $1,076,095,110 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $1,076,095,110 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $480,932 |
| Income. Dividends from common stock | 2016-12-31 | $68,700,410 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $4,240,424,937 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $3,507,416,417 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $773,824,731 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $529,444,648 |
| 2015 : MID CAPITALIZATION EQUITY INDEX FUND 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-402,728,372 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-402,728,372 |
| Total transfer of assets to this plan | 2015-12-31 | $1,304,784,683 |
| Total transfer of assets from this plan | 2015-12-31 | $378,997,804 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,011,762,283 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $691,115,477 |
| Total income from all sources (including contributions) | 2015-12-31 | $-108,782,003 |
| Total loss/gain on sale of assets | 2015-12-31 | $237,861,562 |
| Total of all expenses incurred | 2015-12-31 | $232,213 |
| 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 | $4,600,739,751 |
| Value of total assets at beginning of year | 2015-12-31 | $3,463,320,282 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $232,213 |
| Total interest from all sources | 2015-12-31 | $2,697,628 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $53,387,179 |
| Administrative expenses professional fees incurred | 2015-12-31 | $23,903 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $17,228,224 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $4,903,371 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $1,011,762,283 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $691,115,477 |
| Value of net income/loss | 2015-12-31 | $-109,014,216 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $3,588,977,468 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $2,772,204,805 |
| Investment advisory and management fees | 2015-12-31 | $208,310 |
| Interest earned on other investments | 2015-12-31 | $2,494,286 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $1,076,095,110 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $743,180,499 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $743,180,499 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $203,342 |
| Income. Dividends from common stock | 2015-12-31 | $53,387,179 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $3,507,416,417 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $2,715,236,412 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $708,861,185 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $470,999,623 |
| 2014 : MID CAPITALIZATION EQUITY INDEX FUND 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $5,508,184 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $5,508,184 |
| Total transfer of assets to this plan | 2014-12-31 | $421,208,456 |
| Total transfer of assets from this plan | 2014-12-31 | $376,072,467 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $691,115,477 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $511,236,962 |
| Total income from all sources (including contributions) | 2014-12-31 | $244,751,667 |
| Total loss/gain on sale of assets | 2014-12-31 | $198,420,976 |
| Total of all expenses incurred | 2014-12-31 | $187,826 |
| 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 | $3,463,320,282 |
| Value of total assets at beginning of year | 2014-12-31 | $2,993,741,937 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $187,826 |
| Total interest from all sources | 2014-12-31 | $2,375,638 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $38,446,869 |
| Administrative expenses professional fees incurred | 2014-12-31 | $12,410 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $4,903,371 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $6,938,699 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $691,115,477 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $511,236,962 |
| Value of net income/loss | 2014-12-31 | $244,563,841 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $2,772,204,805 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $2,482,504,975 |
| Investment advisory and management fees | 2014-12-31 | $175,416 |
| Interest earned on other investments | 2014-12-31 | $2,282,486 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $743,180,499 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $547,350,643 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $547,350,643 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $93,152 |
| Income. Dividends from common stock | 2014-12-31 | $38,446,869 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $2,715,236,412 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $2,439,452,595 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $471,486,872 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $273,065,896 |
| 2013 : MID CAPITALIZATION EQUITY INDEX FUND 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $443,238,747 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $443,238,747 |
| Total transfer of assets to this plan | 2013-12-31 | $2,158,155,830 |
| Total transfer of assets from this plan | 2013-12-31 | $2,095,338,251 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $511,236,962 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $357,328,079 |
| Total income from all sources (including contributions) | 2013-12-31 | $607,663,825 |
| Total loss/gain on sale of assets | 2013-12-31 | $131,644,720 |
| Total of all expenses incurred | 2013-12-31 | $158,087 |
| 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 | $2,993,741,937 |
| Value of total assets at beginning of year | 2013-12-31 | $2,169,509,737 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $158,087 |
| Total interest from all sources | 2013-12-31 | $1,617,117 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $31,163,241 |
| Administrative expenses professional fees incurred | 2013-12-31 | $13,100 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $6,938,699 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $5,217,993 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $511,236,962 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $357,328,079 |
| Value of net income/loss | 2013-12-31 | $607,505,738 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $2,482,504,975 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,812,181,658 |
| Investment advisory and management fees | 2013-12-31 | $144,987 |
| Interest earned on other investments | 2013-12-31 | $1,500,248 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $547,350,643 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $369,833,752 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $369,833,752 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $116,869 |
| Income. Dividends from common stock | 2013-12-31 | $31,163,241 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $2,439,452,595 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $1,794,457,992 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $364,923,428 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $233,278,708 |
| 2012 : MID CAPITALIZATION EQUITY INDEX FUND 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $190,753,245 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $190,753,245 |
| Total transfer of assets to this plan | 2012-12-31 | $287,810,828 |
| Total transfer of assets from this plan | 2012-12-31 | $256,680,126 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $357,328,079 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $319,214,373 |
| Total income from all sources (including contributions) | 2012-12-31 | $269,127,452 |
| Total loss/gain on sale of assets | 2012-12-31 | $49,255,039 |
| Total of all expenses incurred | 2012-12-31 | $134,133 |
| 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 | $2,169,509,737 |
| Value of total assets at beginning of year | 2012-12-31 | $1,831,272,010 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $134,133 |
| Total interest from all sources | 2012-12-31 | $1,669,648 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $27,449,520 |
| Administrative expenses professional fees incurred | 2012-12-31 | $9,000 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $5,217,993 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $58,588,121 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $357,328,079 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $319,214,373 |
| Value of net income/loss | 2012-12-31 | $268,993,319 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,812,181,658 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,512,057,637 |
| Investment advisory and management fees | 2012-12-31 | $125,133 |
| Interest earned on other investments | 2012-12-31 | $1,584,183 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $369,833,752 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $276,056,523 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $276,056,523 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $85,465 |
| Asset value of US Government securities at end of year | 2012-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $2,505,964 |
| Income. Dividends from common stock | 2012-12-31 | $27,449,520 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2012-12-31 | $1,794,457,992 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2012-12-31 | $1,494,121,402 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $239,310,086 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $190,055,047 |
| 2011 : MID CAPITALIZATION EQUITY INDEX FUND 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-112,413,264 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-112,413,264 |
| Total transfer of assets to this plan | 2011-12-31 | $372,992,731 |
| Total transfer of assets from this plan | 2011-12-31 | $307,595,419 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $319,214,373 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $444,408,846 |
| Total income from all sources (including contributions) | 2011-12-31 | $-21,450,671 |
| Total loss/gain on sale of assets | 2011-12-31 | $70,079,856 |
| Total of all expenses incurred | 2011-12-31 | $126,327 |
| 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 | $1,831,272,010 |
| Value of total assets at beginning of year | 2011-12-31 | $1,912,646,169 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $126,327 |
| Total interest from all sources | 2011-12-31 | $867,372 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $20,015,365 |
| Administrative expenses professional fees incurred | 2011-12-31 | $11,775 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $58,588,121 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $85,045,532 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $319,214,373 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $444,408,846 |
| Value of net income/loss | 2011-12-31 | $-21,576,998 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,512,057,637 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $1,468,237,323 |
| Investment advisory and management fees | 2011-12-31 | $114,552 |
| Interest earned on other investments | 2011-12-31 | $799,594 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $276,056,523 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $382,289,763 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $382,289,763 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $67,778 |
| Asset value of US Government securities at end of year | 2011-12-31 | $2,505,964 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $2,530,137 |
| Income. Dividends from common stock | 2011-12-31 | $20,015,365 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2011-12-31 | $1,494,121,402 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2011-12-31 | $1,442,780,737 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $429,704,680 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $359,624,824 |
| 2010 : MID CAPITALIZATION EQUITY INDEX FUND 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $242,666,797 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $242,666,797 |
| Total transfer of assets to this plan | 2010-12-31 | $400,212,268 |
| Total transfer of assets from this plan | 2010-12-31 | $287,052,521 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $444,408,846 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $282,672,853 |
| Total income from all sources (including contributions) | 2010-12-31 | $301,730,373 |
| Total loss/gain on sale of assets | 2010-12-31 | $39,689,510 |
| Total of all expenses incurred | 2010-12-31 | $111,156 |
| 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 | $1,912,646,169 |
| Value of total assets at beginning of year | 2010-12-31 | $1,336,131,212 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $111,156 |
| Total interest from all sources | 2010-12-31 | $795,027 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $18,579,039 |
| Administrative expenses professional fees incurred | 2010-12-31 | $11,775 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $85,045,532 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $3,937,838 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $444,408,846 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $282,672,853 |
| Value of net income/loss | 2010-12-31 | $301,619,217 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $1,468,237,323 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,053,458,359 |
| Investment advisory and management fees | 2010-12-31 | $99,381 |
| Interest earned on other investments | 2010-12-31 | $726,771 |
| Income. Interest from US Government securities | 2010-12-31 | $2,749 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $382,289,763 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $292,487,131 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $292,487,131 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $65,507 |
| Asset value of US Government securities at end of year | 2010-12-31 | $2,530,137 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $1,259,854 |
| Income. Dividends from common stock | 2010-12-31 | $18,579,039 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2010-12-31 | $1,442,780,737 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2010-12-31 | $1,038,446,389 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $355,992,258 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $316,302,748 |
