BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B
401k plan membership statisitcs for INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B
| Measure | Date | Value |
|---|
| 2023 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $125,715,328 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $125,715,328 |
| Total transfer of assets to this plan | 2023-12-31 | $606,465,645 |
| Total transfer of assets from this plan | 2023-12-31 | $1,378,889,057 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $996,352,855 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $2,234,294,602 |
| Total income from all sources (including contributions) | 2023-12-31 | $76,884,270 |
| Total loss/gain on sale of assets | 2023-12-31 | $-114,760,475 |
| Total of all expenses incurred | 2023-12-31 | $92,446 |
| Value of total assets at end of year | 2023-12-31 | $2,662,176,054 |
| Value of total assets at beginning of year | 2023-12-31 | $4,595,749,389 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $92,446 |
| Total interest from all sources | 2023-12-31 | $65,929,417 |
| 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 | $64,263,829 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $52,394,052 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $996,352,855 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $2,234,294,602 |
| Administrative expenses (other) incurred | 2023-12-31 | $-4,445 |
| Total non interest bearing cash at end of year | 2023-12-31 | $1,409,988 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $1,751,597 |
| Value of net income/loss | 2023-12-31 | $76,791,824 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $1,665,823,199 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $2,361,454,787 |
| Investment advisory and management fees | 2023-12-31 | $84,269 |
| Interest earned on other investments | 2023-12-31 | $1,666,580 |
| Income. Interest from US Government securities | 2023-12-31 | $64,004,675 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $941,829,093 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $2,195,141,702 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $2,195,141,702 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $258,162 |
| Asset value of US Government securities at end of year | 2023-12-31 | $1,654,273,448 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $2,346,068,621 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-12-31 | $399,696 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-12-31 | $393,417 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $3,146,570,117 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $3,261,330,592 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $125,715,328 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $125,715,328 |
| Total transfer of assets to this plan | 2023-01-01 | $606,465,645 |
| Total transfer of assets from this plan | 2023-01-01 | $1,378,889,057 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $996,352,855 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $2,234,294,602 |
| Total income from all sources (including contributions) | 2023-01-01 | $76,884,270 |
| Total loss/gain on sale of assets | 2023-01-01 | $-114,760,475 |
| Total of all expenses incurred | 2023-01-01 | $92,446 |
| Value of total assets at end of year | 2023-01-01 | $2,662,176,054 |
| Value of total assets at beginning of year | 2023-01-01 | $4,595,749,389 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $92,446 |
| Total interest from all sources | 2023-01-01 | $65,929,417 |
| 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 | $64,263,829 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $52,394,052 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $996,352,855 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $2,234,294,602 |
| Administrative expenses (other) incurred | 2023-01-01 | $-4,445 |
| Total non interest bearing cash at end of year | 2023-01-01 | $1,409,988 |
| Total non interest bearing cash at beginning of year | 2023-01-01 | $1,751,597 |
| Value of net income/loss | 2023-01-01 | $76,791,824 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $1,665,823,199 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $2,361,454,787 |
| Investment advisory and management fees | 2023-01-01 | $84,269 |
| Interest earned on other investments | 2023-01-01 | $1,666,580 |
| Income. Interest from US Government securities | 2023-01-01 | $64,004,675 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $941,829,093 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $258,162 |
| Asset value of US Government securities at end of year | 2023-01-01 | $1,654,273,448 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $2,346,068,621 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-01-01 | $399,696 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-01-01 | $393,417 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $3,146,570,117 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $3,261,330,592 |
| 2022 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-187,376,262 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-187,376,262 |
| Total transfer of assets to this plan | 2022-12-31 | $496,070,051 |
| Total transfer of assets from this plan | 2022-12-31 | $434,019,843 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $2,234,294,602 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $2,311,511,776 |
| Total income from all sources (including contributions) | 2022-12-31 | $-198,920,323 |
| Total loss/gain on sale of assets | 2022-12-31 | $-53,917,651 |
| Total of all expenses incurred | 2022-12-31 | $91,471 |
| Value of total assets at end of year | 2022-12-31 | $4,595,749,389 |
| Value of total assets at beginning of year | 2022-12-31 | $4,809,928,149 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $91,471 |
| Total interest from all sources | 2022-12-31 | $42,373,590 |
| 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 | $12,209 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $52,394,052 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $53,703,054 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $2,234,294,602 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $2,311,511,776 |
| Administrative expenses (other) incurred | 2022-12-31 | $3,300 |
| Total non interest bearing cash at end of year | 2022-12-31 | $1,751,597 |
| Value of net income/loss | 2022-12-31 | $-199,011,794 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $2,361,454,787 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $2,498,416,373 |
| Investment advisory and management fees | 2022-12-31 | $75,962 |
| Interest earned on other investments | 2022-12-31 | $1,570,901 |
| Income. Interest from US Government securities | 2022-12-31 | $40,694,443 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $2,195,141,702 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $2,280,561,439 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $2,280,561,439 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $108,246 |
| Asset value of US Government securities at end of year | 2022-12-31 | $2,346,068,621 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $2,475,243,619 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $393,417 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $420,037 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $2,039,217,244 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $2,093,134,895 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-187,376,262 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-187,376,262 |
| Total transfer of assets to this plan | 2022-01-01 | $496,070,051 |
| Total transfer of assets from this plan | 2022-01-01 | $434,019,843 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $2,234,294,602 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $2,311,511,776 |
| Total income from all sources (including contributions) | 2022-01-01 | $-198,920,323 |
| Total loss/gain on sale of assets | 2022-01-01 | $-53,917,651 |
| Total of all expenses incurred | 2022-01-01 | $91,471 |
| Value of total assets at end of year | 2022-01-01 | $4,595,749,389 |
| Value of total assets at beginning of year | 2022-01-01 | $4,809,928,149 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $91,471 |
| Total interest from all sources | 2022-01-01 | $42,373,590 |
| 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 | $12,209 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $52,394,052 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $53,703,054 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $2,234,294,602 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $2,311,511,776 |
| Administrative expenses (other) incurred | 2022-01-01 | $3,300 |
| Total non interest bearing cash at end of year | 2022-01-01 | $1,751,597 |
| Value of net income/loss | 2022-01-01 | $-199,011,794 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $2,361,454,787 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $2,498,416,373 |
| Investment advisory and management fees | 2022-01-01 | $75,962 |
| Interest earned on other investments | 2022-01-01 | $1,570,901 |
| Income. Interest from US Government securities | 2022-01-01 | $40,694,443 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $2,195,141,702 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $108,246 |
| Asset value of US Government securities at end of year | 2022-01-01 | $2,346,068,621 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $2,475,243,619 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-01-01 | $393,417 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-01-01 | $420,037 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $2,039,217,244 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $2,093,134,895 |
| 2021 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-83,962,389 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-83,962,389 |
| Total transfer of assets to this plan | 2021-12-31 | $810,908,697 |
| Total transfer of assets from this plan | 2021-12-31 | $417,708,388 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $2,311,511,776 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $1,745,453,741 |
| Total income from all sources (including contributions) | 2021-12-31 | $-37,884,700 |
| Total loss/gain on sale of assets | 2021-12-31 | $15,979,104 |
| Total of all expenses incurred | 2021-12-31 | $87,161 |
| Value of total assets at end of year | 2021-12-31 | $4,809,928,149 |
| Value of total assets at beginning of year | 2021-12-31 | $3,888,641,666 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $87,161 |
| Total interest from all sources | 2021-12-31 | $30,098,585 |
| 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 | $9,746 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $53,703,054 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $57,218,845 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $2,311,511,776 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $1,745,453,741 |
| Administrative expenses (other) incurred | 2021-12-31 | $3,300 |
| Value of net income/loss | 2021-12-31 | $-37,971,861 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $2,498,416,373 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $2,143,187,925 |
| Investment advisory and management fees | 2021-12-31 | $74,115 |
| Interest earned on other investments | 2021-12-31 | $1,762,254 |
| Income. Interest from US Government securities | 2021-12-31 | $28,221,245 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $2,280,561,439 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $1,717,981,049 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $1,717,981,049 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $115,086 |
| Asset value of US Government securities at end of year | 2021-12-31 | $2,475,243,619 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $2,093,584,115 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $420,037 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $19,857,657 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $2,767,475,675 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $2,751,496,571 |
| 2020 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $49,972,429 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $49,972,429 |
| Total transfer of assets to this plan | 2020-12-31 | $373,675,310 |
| Total transfer of assets from this plan | 2020-12-31 | $451,077,644 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $1,745,453,741 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $1,483,256,888 |
| Expenses. Interest paid | 2020-12-31 | $2,147 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2020-12-31 | $2,147 |
| Total income from all sources (including contributions) | 2020-12-31 | $122,928,167 |
| Total loss/gain on sale of assets | 2020-12-31 | $33,183,928 |
| Total of all expenses incurred | 2020-12-31 | $85,072 |
| Value of total assets at end of year | 2020-12-31 | $3,888,641,666 |
| Value of total assets at beginning of year | 2020-12-31 | $3,581,004,052 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $82,925 |
| Total interest from all sources | 2020-12-31 | $39,771,810 |
| 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 | $9,670 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $57,218,845 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $34,545,513 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $1,745,453,741 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $1,483,256,888 |
| Administrative expenses (other) incurred | 2020-12-31 | $3,300 |
| Value of net income/loss | 2020-12-31 | $122,843,095 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $2,143,187,925 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $2,097,747,164 |
| Investment advisory and management fees | 2020-12-31 | $69,955 |
| Interest earned on other investments | 2020-12-31 | $3,322,201 |
| Income. Interest from US Government securities | 2020-12-31 | $36,128,342 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $1,717,981,049 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $1,486,760,857 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $1,486,760,857 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $321,267 |
| Asset value of US Government securities at end of year | 2020-12-31 | $2,093,584,115 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $2,036,856,316 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $19,857,657 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $22,841,366 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $2,562,014,082 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $2,528,830,154 |
| 2019 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $51,202,353 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $51,202,353 |
| Total transfer of assets to this plan | 2019-12-31 | $533,722,534 |
| Total transfer of assets from this plan | 2019-12-31 | $323,306,387 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,483,256,888 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,294,808,196 |
| Total income from all sources (including contributions) | 2019-12-31 | $103,961,652 |
| Total loss/gain on sale of assets | 2019-12-31 | $5,913,606 |
| Total of all expenses incurred | 2019-12-31 | $87,430 |
| Value of total assets at end of year | 2019-12-31 | $3,581,004,052 |
| Value of total assets at beginning of year | 2019-12-31 | $3,078,264,991 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $87,430 |
| Total interest from all sources | 2019-12-31 | $46,845,693 |
| 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 | $12,731 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $34,545,513 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $13,004,860 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $1,483,256,888 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $1,294,808,196 |
| Value of net income/loss | 2019-12-31 | $103,874,222 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $2,097,747,164 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $1,783,456,795 |
| Investment advisory and management fees | 2019-12-31 | $74,699 |
| Interest earned on other investments | 2019-12-31 | $1,790,807 |
| Income. Interest from US Government securities | 2019-12-31 | $44,757,060 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $1,486,760,857 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $1,291,908,627 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $1,291,908,627 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $297,826 |
| Asset value of US Government securities at end of year | 2019-12-31 | $2,036,856,316 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $1,755,950,786 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $22,841,366 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $17,400,718 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $848,572,435 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $842,658,829 |
| 2018 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $3,414,525 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $3,414,525 |
| Total transfer of assets to this plan | 2018-12-31 | $406,085,725 |
| Total transfer of assets from this plan | 2018-12-31 | $155,469,946 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $1,294,808,196 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $1,221,940,372 |
| Total income from all sources (including contributions) | 2018-12-31 | $31,056,451 |
| Total loss/gain on sale of assets | 2018-12-31 | $-7,276,678 |
| Total of all expenses incurred | 2018-12-31 | $98,139 |
| Value of total assets at end of year | 2018-12-31 | $3,078,264,991 |
| Value of total assets at beginning of year | 2018-12-31 | $2,723,823,076 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $98,139 |
| Total interest from all sources | 2018-12-31 | $34,918,604 |
| 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 | $12,928 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $13,004,860 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $44,833,516 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $1,294,808,196 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $1,221,940,372 |
| Value of net income/loss | 2018-12-31 | $30,958,312 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $1,783,456,795 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $1,501,882,704 |
| Investment advisory and management fees | 2018-12-31 | $85,211 |
| Interest earned on other investments | 2018-12-31 | $1,960,396 |
| Income. Interest from US Government securities | 2018-12-31 | $32,864,255 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $1,291,908,627 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $1,186,105,201 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $1,186,105,201 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $93,953 |
| Asset value of US Government securities at end of year | 2018-12-31 | $1,755,950,786 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $1,492,884,359 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $17,400,718 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $617,278,968 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $624,555,646 |
| 2017 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $-3,546,482 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $-3,546,482 |
| Total transfer of assets to this plan | 2017-12-31 | $190,181,285 |
| Total transfer of assets from this plan | 2017-12-31 | $290,612,006 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,221,940,372 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,429,795,156 |
| Total income from all sources (including contributions) | 2017-12-31 | $21,405,199 |
| Total loss/gain on sale of assets | 2017-12-31 | $-2,679,042 |
| Total of all expenses incurred | 2017-12-31 | $112,577 |
| 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 | $2,723,823,076 |
| Value of total assets at beginning of year | 2017-12-31 | $3,010,815,959 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $112,577 |
| Total interest from all sources | 2017-12-31 | $27,630,723 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $12,860 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $44,833,516 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $10,660,602 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $1,221,940,372 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $1,429,795,156 |
| Value of net income/loss | 2017-12-31 | $21,292,622 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $1,501,882,704 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $1,581,020,803 |
| Investment advisory and management fees | 2017-12-31 | $99,717 |
| Interest earned on other investments | 2017-12-31 | $2,609,603 |
| Income. Interest from US Government securities | 2017-12-31 | $24,937,251 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $1,186,105,201 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $1,428,169,695 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $1,428,169,695 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $83,869 |
| Asset value of US Government securities at end of year | 2017-12-31 | $1,492,884,359 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $1,571,985,662 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $817,707,866 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $820,386,908 |
| 2016 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $-13,586,694 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $-13,586,694 |
| Total transfer of assets to this plan | 2016-12-31 | $471,026,739 |
| Total transfer of assets from this plan | 2016-12-31 | $296,179,758 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,429,795,156 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,008,195,169 |
| Total income from all sources (including contributions) | 2016-12-31 | $15,917,929 |
| Total loss/gain on sale of assets | 2016-12-31 | $4,309,195 |
| Total of all expenses incurred | 2016-12-31 | $115,266 |
| 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 | $3,010,815,959 |
| Value of total assets at beginning of year | 2016-12-31 | $2,398,566,328 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $115,266 |
| Total interest from all sources | 2016-12-31 | $25,195,428 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $13,030 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $10,660,602 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $24,037,558 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $1,429,795,156 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $1,008,195,169 |
| Value of net income/loss | 2016-12-31 | $15,802,663 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $1,581,020,803 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $1,390,371,159 |
| Investment advisory and management fees | 2016-12-31 | $102,236 |
| Interest earned on other investments | 2016-12-31 | $1,959,118 |
| Income. Interest from US Government securities | 2016-12-31 | $23,153,010 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $1,428,169,695 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $990,913,473 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $990,913,473 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $83,300 |
| Asset value of US Government securities at end of year | 2016-12-31 | $1,571,985,662 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $1,383,615,297 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $689,890,897 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $685,581,702 |
| 2015 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-11,170,472 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-11,170,472 |
| Total transfer of assets to this plan | 2015-12-31 | $262,140,662 |
| Total transfer of assets from this plan | 2015-12-31 | $520,348,364 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,008,195,169 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,217,392,367 |
| Total income from all sources (including contributions) | 2015-12-31 | $21,915,812 |
| Total loss/gain on sale of assets | 2015-12-31 | $9,100,721 |
| Total of all expenses incurred | 2015-12-31 | $113,867 |
| 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 | $2,398,566,328 |
| Value of total assets at beginning of year | 2015-12-31 | $2,844,169,283 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $113,867 |
| Total interest from all sources | 2015-12-31 | $23,985,563 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $13,030 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $24,037,558 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $17,945,996 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $1,008,195,169 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $1,217,392,367 |
| Value of net income/loss | 2015-12-31 | $21,801,945 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $1,390,371,159 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $1,626,776,916 |
| Investment advisory and management fees | 2015-12-31 | $100,837 |
| Interest earned on other investments | 2015-12-31 | $1,665,801 |
| Income. Interest from US Government securities | 2015-12-31 | $22,319,762 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $990,913,473 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $1,235,324,323 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $1,235,324,323 |
| Asset value of US Government securities at end of year | 2015-12-31 | $1,383,615,297 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $1,590,898,964 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $891,539,220 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $882,438,499 |
| 2014 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $20,293,212 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $20,293,212 |
| Total transfer of assets to this plan | 2014-12-31 | $523,137,934 |
| Total transfer of assets from this plan | 2014-12-31 | $478,409,684 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,217,392,367 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,188,282,749 |
| Total income from all sources (including contributions) | 2014-12-31 | $42,165,390 |
| Total loss/gain on sale of assets | 2014-12-31 | $556,407 |
| Total of all expenses incurred | 2014-12-31 | $112,919 |
| 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 | $2,844,169,283 |
| Value of total assets at beginning of year | 2014-12-31 | $2,728,278,944 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $112,919 |
| Total interest from all sources | 2014-12-31 | $21,315,771 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $12,870 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $17,945,996 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $14,647,673 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $1,217,392,367 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $1,188,282,749 |
| Value of net income/loss | 2014-12-31 | $42,052,471 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $1,626,776,916 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $1,539,996,195 |
| Investment advisory and management fees | 2014-12-31 | $100,049 |
| Interest earned on other investments | 2014-12-31 | $1,703,828 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $1,235,324,323 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $1,182,076,625 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $1,182,076,625 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $19,611,943 |
| Asset value of US Government securities at end of year | 2014-12-31 | $1,590,898,964 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $1,531,554,646 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $1,346,194,796 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $1,345,638,389 |
| 2013 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-44,224,532 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-44,224,532 |
| Total transfer of assets to this plan | 2013-12-31 | $300,296,622 |
| Total transfer of assets from this plan | 2013-12-31 | $483,572,275 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $1,188,282,749 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $786,363,450 |
| Total income from all sources (including contributions) | 2013-12-31 | $-16,515,262 |
| Total loss/gain on sale of assets | 2013-12-31 | $6,893,313 |
| Total of all expenses incurred | 2013-12-31 | $116,105 |
| 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 | $2,728,278,944 |
| Value of total assets at beginning of year | 2013-12-31 | $2,526,266,665 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $116,105 |
| Total interest from all sources | 2013-12-31 | $20,815,957 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $13,500 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $14,647,673 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $39,853,424 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $1,188,282,749 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $786,363,450 |
| Value of net income/loss | 2013-12-31 | $-16,631,367 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $1,539,996,195 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,739,903,215 |
| Investment advisory and management fees | 2013-12-31 | $102,605 |
| Interest earned on other investments | 2013-12-31 | $2,801,894 |
| Income. Interest from US Government securities | 2013-12-31 | $18,014,063 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $1,182,076,625 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $759,974,596 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $759,974,596 |
| Asset value of US Government securities at end of year | 2013-12-31 | $1,531,554,646 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $1,726,438,645 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $1,184,965,429 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $1,178,072,116 |
| 2012 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $-24,140,803 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $-24,140,803 |
| Total transfer of assets to this plan | 2012-12-31 | $762,417,711 |
| Total transfer of assets from this plan | 2012-12-31 | $457,105,484 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $786,363,450 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $506,069,039 |
| Total income from all sources (including contributions) | 2012-12-31 | $29,698,333 |
| Total loss/gain on sale of assets | 2012-12-31 | $30,877,033 |
| Total of all expenses incurred | 2012-12-31 | $124,386 |
| 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 | $2,526,266,665 |
| Value of total assets at beginning of year | 2012-12-31 | $1,911,086,080 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $124,386 |
| Total interest from all sources | 2012-12-31 | $22,962,103 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $12,800 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $39,853,424 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $37,200,746 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $786,363,450 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $506,069,039 |
| Value of net income/loss | 2012-12-31 | $29,573,947 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,739,903,215 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,405,017,041 |
| Investment advisory and management fees | 2012-12-31 | $111,586 |
| Interest earned on other investments | 2012-12-31 | $1,315,073 |
| Income. Interest from US Government securities | 2012-12-31 | $21,647,030 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $759,974,596 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $487,483,909 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $487,483,909 |
| Asset value of US Government securities at end of year | 2012-12-31 | $1,726,438,645 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $1,386,401,425 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $1,207,646,122 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $1,176,769,089 |
| 2011 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $37,053,696 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $37,053,696 |
| Total transfer of assets to this plan | 2011-12-31 | $348,976,845 |
| Total transfer of assets from this plan | 2011-12-31 | $274,483,042 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $506,069,039 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $476,313,435 |
| Total income from all sources (including contributions) | 2011-12-31 | $80,863,417 |
| Total loss/gain on sale of assets | 2011-12-31 | $17,257,423 |
| Total of all expenses incurred | 2011-12-31 | $111,815 |
| 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 | $1,911,086,080 |
| Value of total assets at beginning of year | 2011-12-31 | $1,726,085,071 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $111,815 |
| Total interest from all sources | 2011-12-31 | $26,552,298 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $14,810 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $37,200,746 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $7,714,475 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $506,069,039 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $476,313,435 |
| Value of net income/loss | 2011-12-31 | $80,751,602 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,405,017,041 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $1,249,771,636 |
| Investment advisory and management fees | 2011-12-31 | $97,005 |
| Interest earned on other investments | 2011-12-31 | $908,811 |
| Income. Interest from US Government securities | 2011-12-31 | $25,643,487 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $487,483,909 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $491,687,735 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $491,687,735 |
| Asset value of US Government securities at end of year | 2011-12-31 | $1,386,401,425 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $1,226,682,861 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $959,313,858 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $942,056,435 |
| 2010 : INTERMEDIATE TERM GOVERNMENT BOND INDEX FUND B 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $4,384,395 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $4,384,395 |
| Total transfer of assets to this plan | 2010-12-31 | $367,826,207 |
| Total transfer of assets from this plan | 2010-12-31 | $305,024,458 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $476,313,435 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $665,900,098 |
| Total income from all sources (including contributions) | 2010-12-31 | $61,099,276 |
| Total loss/gain on sale of assets | 2010-12-31 | $25,706,513 |
| Total of all expenses incurred | 2010-12-31 | $110,325 |
| 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 | $1,726,085,071 |
| Value of total assets at beginning of year | 2010-12-31 | $1,791,881,034 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $110,325 |
| Total interest from all sources | 2010-12-31 | $31,008,368 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $14,810 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $7,714,475 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $32,166,022 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $476,313,435 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $665,900,098 |
| Value of net income/loss | 2010-12-31 | $60,988,951 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $1,249,771,636 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,125,980,936 |
| Investment advisory and management fees | 2010-12-31 | $95,515 |
| Interest earned on other investments | 2010-12-31 | $655,409 |
| Income. Interest from US Government securities | 2010-12-31 | $30,323,656 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $491,687,735 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $647,656,893 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $647,656,893 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $29,303 |
| Asset value of US Government securities at end of year | 2010-12-31 | $1,226,682,861 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $1,112,058,119 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $905,326,051 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $879,619,538 |
