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 GOVERNMENT BOND INDEX FUND
| Measure | Date | Value |
|---|
| 2022 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-2,057,387,360 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-2,057,387,360 |
| Total transfer of assets to this plan | 2022-12-31 | $16,235,520,000 |
| Total transfer of assets from this plan | 2022-12-31 | $17,558,439,633 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $25,295,463,715 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $28,108,246,857 |
| Total income from all sources (including contributions) | 2022-12-31 | $-2,278,007,211 |
| Total loss/gain on sale of assets | 2022-12-31 | $-683,617,061 |
| Total of all expenses incurred | 2022-12-31 | $703,142 |
| Value of total assets at end of year | 2022-12-31 | $51,041,067,394 |
| Value of total assets at beginning of year | 2022-12-31 | $57,455,480,522 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $703,142 |
| Total interest from all sources | 2022-12-31 | $462,997,210 |
| 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 | $9,433 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $931,468,047 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $765,612,756 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $25,295,463,715 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $28,108,246,857 |
| Administrative expenses (other) incurred | 2022-12-31 | $1,548 |
| Total non interest bearing cash at end of year | 2022-12-31 | $13,696,622 |
| Value of net income/loss | 2022-12-31 | $-2,278,710,353 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $25,745,603,679 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $29,347,233,665 |
| Investment advisory and management fees | 2022-12-31 | $692,161 |
| Interest earned on other investments | 2022-12-31 | $18,450,952 |
| Income. Interest from US Government securities | 2022-12-31 | $443,663,196 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $24,546,507,126 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $27,608,103,305 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $27,608,103,305 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $883,062 |
| Asset value of US Government securities at end of year | 2022-12-31 | $25,537,519,419 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $29,068,373,367 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $11,876,180 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $13,391,094 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $25,115,428,958 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $25,799,046,019 |
| 2021 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-846,385,598 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-846,385,598 |
| Total transfer of assets to this plan | 2021-12-31 | $11,587,095,636 |
| Total transfer of assets from this plan | 2021-12-31 | $5,594,885,442 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $28,108,246,857 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $19,837,162,214 |
| Total income from all sources (including contributions) | 2021-12-31 | $-414,541,286 |
| Total loss/gain on sale of assets | 2021-12-31 | $74,153,509 |
| Total of all expenses incurred | 2021-12-31 | $713,485 |
| Value of total assets at end of year | 2021-12-31 | $57,455,480,522 |
| Value of total assets at beginning of year | 2021-12-31 | $43,607,440,456 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $713,485 |
| Total interest from all sources | 2021-12-31 | $357,690,803 |
| 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 | $9,766 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $765,612,756 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $590,912,624 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $28,108,246,857 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $19,837,162,214 |
| Administrative expenses (other) incurred | 2021-12-31 | $3,300 |
| Value of net income/loss | 2021-12-31 | $-415,254,771 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $29,347,233,665 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $23,770,278,242 |
| Investment advisory and management fees | 2021-12-31 | $700,419 |
| Interest earned on other investments | 2021-12-31 | $20,765,143 |
| Income. Interest from US Government securities | 2021-12-31 | $335,521,342 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $27,608,103,305 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $19,794,961,309 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $19,794,961,309 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $1,404,318 |
| Asset value of US Government securities at end of year | 2021-12-31 | $29,068,373,367 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $23,172,375,764 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $13,391,094 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $49,190,759 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $23,195,967,200 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $23,121,813,691 |
| 2020 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $457,576,574 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $457,576,574 |
| Total transfer of assets to this plan | 2020-12-31 | $7,230,467,814 |
| Total transfer of assets from this plan | 2020-12-31 | $7,082,792,811 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $19,837,162,214 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $18,679,636,612 |
| Expenses. Interest paid | 2020-12-31 | $9,824 |
| 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 | $9,824 |
| Total income from all sources (including contributions) | 2020-12-31 | $1,326,184,582 |
| Total loss/gain on sale of assets | 2020-12-31 | $441,458,757 |
| Total of all expenses incurred | 2020-12-31 | $624,371 |
| Value of total assets at end of year | 2020-12-31 | $43,607,440,456 |
| Value of total assets at beginning of year | 2020-12-31 | $40,976,679,640 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $614,547 |
| Total interest from all sources | 2020-12-31 | $427,149,251 |
| 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 | $9,147 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $590,912,624 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $863,396,457 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $19,837,162,214 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $18,679,636,612 |
| Administrative expenses (other) incurred | 2020-12-31 | $-9,466 |
| Total non interest bearing cash at end of year | 2020-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $20,950 |
| Value of net income/loss | 2020-12-31 | $1,325,560,211 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $23,770,278,242 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $22,297,043,028 |
| Investment advisory and management fees | 2020-12-31 | $614,866 |
| Interest earned on other investments | 2020-12-31 | $37,728,282 |
| Income. Interest from US Government securities | 2020-12-31 | $386,686,755 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $19,794,961,309 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $18,197,193,740 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $18,197,193,740 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $2,734,214 |
| Asset value of US Government securities at end of year | 2020-12-31 | $23,172,375,764 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $21,841,498,956 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $49,190,759 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $74,569,537 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $28,852,489,110 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $28,411,030,353 |
| 2019 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $586,676,392 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $586,676,392 |
| Total transfer of assets to this plan | 2019-12-31 | $6,656,927,630 |
| Total transfer of assets from this plan | 2019-12-31 | $5,284,853,275 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $18,679,636,612 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $15,892,904,853 |
| Total income from all sources (including contributions) | 2019-12-31 | $1,095,807,427 |
| Total loss/gain on sale of assets | 2019-12-31 | $22,212,078 |
| Total of all expenses incurred | 2019-12-31 | $628,728 |
| Value of total assets at end of year | 2019-12-31 | $40,976,679,640 |
| Value of total assets at beginning of year | 2019-12-31 | $35,722,694,827 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $628,728 |
| Total interest from all sources | 2019-12-31 | $486,918,957 |
| 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 | $10,895 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $863,396,457 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $472,536,495 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $18,679,636,612 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $15,892,904,853 |
| Total non interest bearing cash at end of year | 2019-12-31 | $20,950 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $515,735 |
| Value of net income/loss | 2019-12-31 | $1,095,178,699 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $22,297,043,028 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $19,829,789,974 |
| Investment advisory and management fees | 2019-12-31 | $617,833 |
| Interest earned on other investments | 2019-12-31 | $18,882,475 |
| Income. Interest from US Government securities | 2019-12-31 | $465,279,662 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $18,197,193,740 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $15,557,546,780 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $15,557,546,780 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $2,756,820 |
| Asset value of US Government securities at end of year | 2019-12-31 | $21,841,498,956 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $19,611,534,788 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $74,569,537 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $80,561,029 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $8,330,275,228 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $8,308,063,150 |
| 2018 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $8,335,905 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $8,335,905 |
| Total transfer of assets to this plan | 2018-12-31 | $5,764,374,516 |
| Total transfer of assets from this plan | 2018-12-31 | $3,400,038,167 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $15,892,904,853 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $13,512,870,108 |
| Expenses. Interest paid | 2018-12-31 | $102 |
| 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 | $102 |
| Total income from all sources (including contributions) | 2018-12-31 | $344,537,744 |
| Total loss/gain on sale of assets | 2018-12-31 | $-77,127,160 |
| Total of all expenses incurred | 2018-12-31 | $616,211 |
| Value of total assets at end of year | 2018-12-31 | $35,722,694,827 |
| Value of total assets at beginning of year | 2018-12-31 | $30,634,402,200 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $616,109 |
| Total interest from all sources | 2018-12-31 | $413,328,999 |
| 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 | $11,064 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $472,536,495 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $276,352,604 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $15,892,904,853 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $13,512,870,108 |
| Total non interest bearing cash at end of year | 2018-12-31 | $515,735 |
| Value of net income/loss | 2018-12-31 | $343,921,533 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $19,829,789,974 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $17,121,532,092 |
| Investment advisory and management fees | 2018-12-31 | $605,045 |
| Interest earned on other investments | 2018-12-31 | $25,196,148 |
| Income. Interest from US Government securities | 2018-12-31 | $387,466,601 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $15,557,546,780 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $13,306,159,112 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $13,306,159,112 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $666,250 |
| Asset value of US Government securities at end of year | 2018-12-31 | $19,611,534,788 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $17,051,890,484 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $80,561,029 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $6,362,527,705 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $6,439,654,865 |
| 2017 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $-66,078,063 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $-66,078,063 |
| Total transfer of assets to this plan | 2017-12-31 | $5,056,887,956 |
| Total transfer of assets from this plan | 2017-12-31 | $1,491,610,194 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $13,512,870,108 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $12,101,017,830 |
| Total income from all sources (including contributions) | 2017-12-31 | $195,869,013 |
| Total loss/gain on sale of assets | 2017-12-31 | $-19,313,669 |
| Total of all expenses incurred | 2017-12-31 | $565,062 |
| 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 | $30,634,402,200 |
| Value of total assets at beginning of year | 2017-12-31 | $25,461,968,209 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $565,062 |
| Total interest from all sources | 2017-12-31 | $281,260,745 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $11,032 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $276,352,604 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $289,852,669 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $13,512,870,108 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $12,101,017,830 |
| Value of net income/loss | 2017-12-31 | $195,303,951 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $17,121,532,092 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $13,360,950,379 |
| Investment advisory and management fees | 2017-12-31 | $554,030 |
| Interest earned on other investments | 2017-12-31 | $25,807,450 |
| Income. Interest from US Government securities | 2017-12-31 | $254,355,859 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $13,306,159,112 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $12,005,651,855 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $12,005,651,855 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $1,097,436 |
| Asset value of US Government securities at end of year | 2017-12-31 | $17,051,890,484 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $13,166,463,685 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $5,606,483,353 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $5,625,797,022 |
| 2016 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $-124,101,293 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $-124,101,293 |
| Total transfer of assets to this plan | 2016-12-31 | $3,822,112,256 |
| Total transfer of assets from this plan | 2016-12-31 | $2,249,639,128 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $12,101,017,830 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $8,778,599,795 |
| Total income from all sources (including contributions) | 2016-12-31 | $124,530,679 |
| Total loss/gain on sale of assets | 2016-12-31 | $39,839,947 |
| Total of all expenses incurred | 2016-12-31 | $479,808 |
| 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 | $25,461,968,209 |
| Value of total assets at beginning of year | 2016-12-31 | $20,443,026,175 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $479,808 |
| Total interest from all sources | 2016-12-31 | $208,792,025 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $11,240 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $289,852,669 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $230,254,723 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $12,101,017,830 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $8,778,599,795 |
| Value of net income/loss | 2016-12-31 | $124,050,871 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $13,360,950,379 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $11,664,426,380 |
| Investment advisory and management fees | 2016-12-31 | $468,568 |
| Interest earned on other investments | 2016-12-31 | $17,979,929 |
| Income. Interest from US Government securities | 2016-12-31 | $190,311,210 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $12,005,651,855 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $8,638,938,024 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $8,638,938,024 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $500,886 |
| Asset value of US Government securities at end of year | 2016-12-31 | $13,166,463,685 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $11,573,833,428 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $5,708,984,779 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $5,669,144,832 |
| 2015 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-44,701,358 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-44,701,358 |
| Total transfer of assets to this plan | 2015-12-31 | $2,981,099,114 |
| Total transfer of assets from this plan | 2015-12-31 | $2,293,089,484 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $8,778,599,795 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $9,029,277,118 |
| Total income from all sources (including contributions) | 2015-12-31 | $151,234,415 |
| Total loss/gain on sale of assets | 2015-12-31 | $22,117,298 |
| Total of all expenses incurred | 2015-12-31 | $432,924 |
| 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 | $20,443,026,175 |
| Value of total assets at beginning of year | 2015-12-31 | $19,854,892,377 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $432,924 |
| Total interest from all sources | 2015-12-31 | $173,818,475 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $11,240 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $230,254,723 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $138,814,299 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $8,778,599,795 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $9,029,277,118 |
| Value of net income/loss | 2015-12-31 | $150,801,491 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $11,664,426,380 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $10,825,615,259 |
| Investment advisory and management fees | 2015-12-31 | $421,684 |
| Interest earned on other investments | 2015-12-31 | $13,751,210 |
| Income. Interest from US Government securities | 2015-12-31 | $160,067,265 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $8,638,938,024 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $9,110,342,377 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $9,110,342,377 |
| Asset value of US Government securities at end of year | 2015-12-31 | $11,573,833,428 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $10,605,735,701 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $4,693,193,520 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $4,671,076,222 |
| 2014 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $139,358,880 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $139,358,880 |
| Total transfer of assets to this plan | 2014-12-31 | $3,372,329,381 |
| Total transfer of assets from this plan | 2014-12-31 | $3,300,641,628 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $9,029,277,118 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $9,442,022,863 |
| Total income from all sources (including contributions) | 2014-12-31 | $292,252,715 |
| Total loss/gain on sale of assets | 2014-12-31 | $6,261,380 |
| Total of all expenses incurred | 2014-12-31 | $406,226 |
| 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 | $19,854,892,377 |
| Value of total assets at beginning of year | 2014-12-31 | $19,904,103,880 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $406,226 |
| Total interest from all sources | 2014-12-31 | $146,632,455 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $11,080 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $138,814,299 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $496,093,565 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $9,029,277,118 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $9,442,022,863 |
| Value of net income/loss | 2014-12-31 | $291,846,489 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $10,825,615,259 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $10,462,081,017 |
| Investment advisory and management fees | 2014-12-31 | $395,146 |
| Interest earned on other investments | 2014-12-31 | $14,521,229 |
| Income. Interest from US Government securities | 2014-12-31 | $132,111,226 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $9,110,342,377 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $9,067,760,251 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $9,067,760,251 |
| Asset value of US Government securities at end of year | 2014-12-31 | $10,605,735,701 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $10,340,250,064 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $10,363,227,013 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $10,356,965,633 |
| 2013 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-427,539,704 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-427,539,704 |
| Total transfer of assets to this plan | 2013-12-31 | $3,156,963,109 |
| Total transfer of assets from this plan | 2013-12-31 | $12,668,122,298 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $9,442,022,863 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $13,592,395,024 |
| Total income from all sources (including contributions) | 2013-12-31 | $-123,730,858 |
| Total loss/gain on sale of assets | 2013-12-31 | $162,259,483 |
| Total of all expenses incurred | 2013-12-31 | $470,233 |
| 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 | $19,904,103,880 |
| Value of total assets at beginning of year | 2013-12-31 | $33,689,836,321 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $470,233 |
| Total interest from all sources | 2013-12-31 | $141,549,363 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $11,700 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $496,093,565 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $613,253,203 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $9,442,022,863 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $13,592,395,024 |
| Administrative expenses (other) incurred | 2013-12-31 | $-915 |
| Value of net income/loss | 2013-12-31 | $-124,201,091 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $10,462,081,017 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $20,097,441,297 |
| Investment advisory and management fees | 2013-12-31 | $459,448 |
| Interest earned on other investments | 2013-12-31 | $18,563,953 |
| Income. Interest from US Government securities | 2013-12-31 | $122,985,410 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $9,067,760,251 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $13,373,203,442 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $13,373,203,442 |
| Asset value of US Government securities at end of year | 2013-12-31 | $10,340,250,064 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $19,703,379,676 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $17,497,135,397 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $17,334,875,914 |
| 2012 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $-255,506,821 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $-255,506,821 |
| Total transfer of assets to this plan | 2012-12-31 | $6,159,040,279 |
| Total transfer of assets from this plan | 2012-12-31 | $2,766,278,036 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $13,592,395,024 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $12,840,513,215 |
| Total income from all sources (including contributions) | 2012-12-31 | $340,415,977 |
| Total loss/gain on sale of assets | 2012-12-31 | $337,287,930 |
| Total of all expenses incurred | 2012-12-31 | $681,871 |
| 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 | $33,689,836,321 |
| Value of total assets at beginning of year | 2012-12-31 | $29,205,458,163 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $681,871 |
| Total interest from all sources | 2012-12-31 | $258,634,868 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $11,000 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $613,253,203 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $531,406,184 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $13,592,395,024 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $12,840,513,215 |
| Value of net income/loss | 2012-12-31 | $339,734,106 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $20,097,441,297 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $16,364,944,948 |
| Investment advisory and management fees | 2012-12-31 | $670,871 |
| Interest earned on other investments | 2012-12-31 | $25,228,159 |
| Income. Interest from US Government securities | 2012-12-31 | $233,406,709 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $13,373,203,442 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $12,463,649,550 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $12,463,649,550 |
| Asset value of US Government securities at end of year | 2012-12-31 | $19,703,379,676 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $16,210,402,429 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $13,565,210,637 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $13,227,922,707 |
| 2011 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $446,069,240 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $446,069,240 |
| Total transfer of assets to this plan | 2011-12-31 | $16,762,797,980 |
| Total transfer of assets from this plan | 2011-12-31 | $15,664,464,428 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $12,840,513,215 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $9,908,845,413 |
| Total income from all sources (including contributions) | 2011-12-31 | $930,266,629 |
| Total loss/gain on sale of assets | 2011-12-31 | $187,754,459 |
| Total of all expenses incurred | 2011-12-31 | $566,468 |
| 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 | $29,205,458,163 |
| Value of total assets at beginning of year | 2011-12-31 | $24,245,756,648 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $566,468 |
| Total interest from all sources | 2011-12-31 | $296,442,930 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $12,975 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $531,406,184 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $85,699,330 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $12,840,513,215 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $9,908,845,413 |
| Value of net income/loss | 2011-12-31 | $929,700,161 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $16,364,944,948 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $14,336,911,235 |
| Investment advisory and management fees | 2011-12-31 | $553,493 |
| Interest earned on other investments | 2011-12-31 | $19,639,386 |
| Income. Interest from US Government securities | 2011-12-31 | $276,803,544 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $12,463,649,550 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $9,939,644,281 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $9,939,644,281 |
| Asset value of US Government securities at end of year | 2011-12-31 | $16,210,402,429 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $14,220,413,037 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $11,665,419,374 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $11,477,664,915 |
| 2010 : INTERMEDIATE GOVERNMENT BOND INDEX FUND 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $-76,647,195 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $-76,647,195 |
| Total transfer of assets to this plan | 2010-12-31 | $4,550,475,228 |
| Total transfer of assets from this plan | 2010-12-31 | $4,683,042,896 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $9,908,845,413 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $10,669,886,609 |
| Total income from all sources (including contributions) | 2010-12-31 | $779,415,494 |
| Total loss/gain on sale of assets | 2010-12-31 | $484,238,368 |
| Total of all expenses incurred | 2010-12-31 | $575,977 |
| 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 | $24,245,756,648 |
| Value of total assets at beginning of year | 2010-12-31 | $24,360,525,995 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $575,977 |
| Total interest from all sources | 2010-12-31 | $371,824,321 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $12,975 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $85,699,330 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $121,417,710 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $9,908,845,413 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $10,669,886,609 |
| Value of net income/loss | 2010-12-31 | $778,839,517 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $14,336,911,235 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $13,690,639,386 |
| Investment advisory and management fees | 2010-12-31 | $563,002 |
| Interest earned on other investments | 2010-12-31 | $12,262,601 |
| Income. Interest from US Government securities | 2010-12-31 | $359,178,030 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $9,939,644,281 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $10,689,257,938 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $10,689,257,938 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $383,690 |
| Asset value of US Government securities at end of year | 2010-12-31 | $14,220,413,037 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $13,549,850,347 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $14,633,126,324 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $14,148,887,956 |
