STATE STREET GLOBAL ADVISORS TRUST COMPANY has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND
401k plan membership statisitcs for SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND
| Measure | Date | Value |
|---|
| 2023 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $158,007,330 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $158,007,330 |
| Total transfer of assets to this plan | 2023-12-31 | $1,082,097,781 |
| Total transfer of assets from this plan | 2023-12-31 | $922,783,192 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $68,170,839 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $63,746,903 |
| Total income from all sources (including contributions) | 2023-12-31 | $107,237,412 |
| Total loss/gain on sale of assets | 2023-12-31 | $-114,580,631 |
| Total of all expenses incurred | 2023-12-31 | $278,357 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-12-31 | $0 |
| Value of total assets at end of year | 2023-12-31 | $2,820,145,200 |
| Value of total assets at beginning of year | 2023-12-31 | $2,549,447,620 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $278,357 |
| Total interest from all sources | 2023-12-31 | $63,810,713 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $37,738,600 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $44,118,859 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $68,170,839 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $63,746,903 |
| Administrative expenses (other) incurred | 2023-12-31 | $503 |
| Value of net income/loss | 2023-12-31 | $106,959,055 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $2,751,974,361 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $2,485,700,717 |
| Interest earned on other investments | 2023-12-31 | $370 |
| Income. Interest from US Government securities | 2023-12-31 | $63,590,454 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $50,636,252 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $34,353,120 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $34,353,120 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $219,889 |
| Asset value of US Government securities at end of year | 2023-12-31 | $2,731,770,348 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $2,470,975,641 |
| Contract administrator fees | 2023-12-31 | $258,233 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $1,091,300,639 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $1,205,881,270 |
| 2022 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-282,385,590 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-282,385,590 |
| Total transfer of assets to this plan | 2022-12-31 | $866,267,945 |
| Total transfer of assets from this plan | 2022-12-31 | $938,039,986 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $63,746,903 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $50,291,073 |
| Total income from all sources (including contributions) | 2022-12-31 | $-309,821,463 |
| Total loss/gain on sale of assets | 2022-12-31 | $-69,566,910 |
| Total of all expenses incurred | 2022-12-31 | $280,398 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $0 |
| Value of total assets at end of year | 2022-12-31 | $2,549,447,620 |
| Value of total assets at beginning of year | 2022-12-31 | $2,917,865,692 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $280,398 |
| Total interest from all sources | 2022-12-31 | $42,131,037 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $0 |
| Administrative expenses professional fees incurred | 2022-12-31 | $12,085 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $44,118,859 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $24,570,441 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $63,746,903 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $50,291,073 |
| Administrative expenses (other) incurred | 2022-12-31 | $268,313 |
| Value of net income/loss | 2022-12-31 | $-310,101,861 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $2,485,700,717 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $2,867,574,619 |
| Interest earned on other investments | 2022-12-31 | $132,866 |
| Income. Interest from US Government securities | 2022-12-31 | $41,936,669 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $34,353,120 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $39,055,139 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $39,055,139 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $61,502 |
| Asset value of US Government securities at end of year | 2022-12-31 | $2,470,975,641 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $2,854,240,112 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $920,930,281 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $990,497,191 |
| 2021 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of real estate assets | 2021-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $0 |
| Total transfer of assets to this plan | 2021-12-31 | $1,360,266,201 |
| Total transfer of assets from this plan | 2021-12-31 | $673,389,987 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $50,291,073 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $86,528,698 |
| Expenses. Interest paid | 2021-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2021-12-31 | $0 |
| Total income from all sources (including contributions) | 2021-12-31 | $-61,496,949 |
| Total loss/gain on sale of assets | 2021-12-31 | $-12,407,326 |
| Total of all expenses incurred | 2021-12-31 | $290,269 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $0 |
| Value of total assets at end of year | 2021-12-31 | $2,917,865,692 |
| Value of total assets at beginning of year | 2021-12-31 | $2,329,014,321 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $290,269 |
| Total interest from all sources | 2021-12-31 | $30,586,049 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $0 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $0 |
| Assets. Real estate other than employer real property at end of year | 2021-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2021-12-31 | $0 |
| Administrative expenses professional fees incurred | 2021-12-31 | $31,069 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $24,570,441 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $59,403,711 |
| Assets. Loans (other than to participants) at end of year | 2021-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2021-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $50,291,073 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $86,528,698 |
| Other income not declared elsewhere | 2021-12-31 | $0 |
| Administrative expenses (other) incurred | 2021-12-31 | $259,200 |
| Total non interest bearing cash at end of year | 2021-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $0 |
| Value of net income/loss | 2021-12-31 | $-61,787,218 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $2,867,574,619 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $2,242,485,623 |
| Investment advisory and management fees | 2021-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2021-12-31 | $0 |
| Interest earned on other investments | 2021-12-31 | $0 |
| Income. Interest from US Government securities | 2021-12-31 | $30,570,082 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $39,055,139 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $40,053,857 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $40,053,857 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $15,967 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2021-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2021-12-31 | $0 |
| Asset value of US Government securities at end of year | 2021-12-31 | $2,854,240,112 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $2,229,556,753 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $-79,675,672 |
| Income. Dividends from preferred stock | 2021-12-31 | $0 |
| Income. Dividends from common stock | 2021-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $0 |
| Contract administrator fees | 2021-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $883,153,207 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $895,560,533 |
| 2020 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $76,553,331 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $76,553,331 |
| Total transfer of assets to this plan | 2020-12-31 | $1,205,530,072 |
| Total transfer of assets from this plan | 2020-12-31 | $1,777,649,046 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $86,528,698 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $86,733,207 |
| Total income from all sources (including contributions) | 2020-12-31 | $174,414,785 |
| Total loss/gain on sale of assets | 2020-12-31 | $60,612,961 |
| Total of all expenses incurred | 2020-12-31 | $242,970 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $0 |
| Value of total assets at end of year | 2020-12-31 | $2,329,014,321 |
| Value of total assets at beginning of year | 2020-12-31 | $2,727,165,989 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $242,970 |
| Total interest from all sources | 2020-12-31 | $37,248,493 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $0 |
| Administrative expenses professional fees incurred | 2020-12-31 | $30,156 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $59,403,711 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $60,433,946 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $86,528,698 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $86,733,207 |
| Administrative expenses (other) incurred | 2020-12-31 | $212,814 |
| Value of net income/loss | 2020-12-31 | $174,171,815 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $2,242,485,623 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $2,640,432,782 |
| Income. Interest from US Government securities | 2020-12-31 | $37,186,935 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $40,053,857 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $41,790,323 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $41,790,323 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $61,558 |
| Asset value of US Government securities at end of year | 2020-12-31 | $2,229,556,753 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $2,624,941,720 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $1,721,916,889 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $1,661,303,928 |
| 2019 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $73,552,491 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $73,552,491 |
| Total transfer of assets to this plan | 2019-12-31 | $1,534,789,229 |
| Total transfer of assets from this plan | 2019-12-31 | $1,213,171,513 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $86,733,207 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $78,182,032 |
| Total income from all sources (including contributions) | 2019-12-31 | $164,056,656 |
| Total loss/gain on sale of assets | 2019-12-31 | $30,307,705 |
| Total of all expenses incurred | 2019-12-31 | $286,425 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $0 |
| Value of total assets at end of year | 2019-12-31 | $2,727,165,989 |
| Value of total assets at beginning of year | 2019-12-31 | $2,233,226,867 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $286,425 |
| Total interest from all sources | 2019-12-31 | $60,196,460 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $30,572 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $60,433,946 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $55,215,784 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $86,733,207 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $78,182,032 |
| Administrative expenses (other) incurred | 2019-12-31 | $255,853 |
| Value of net income/loss | 2019-12-31 | $163,770,231 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $2,640,432,782 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $2,155,044,835 |
| Income. Interest from US Government securities | 2019-12-31 | $60,044,188 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $41,790,323 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $35,492,642 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $35,492,642 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $152,272 |
| Asset value of US Government securities at end of year | 2019-12-31 | $2,624,941,720 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $2,142,518,441 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $1,515,057,297 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $1,484,749,592 |
| 2018 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $3,337,701 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $3,337,701 |
| Total transfer of assets to this plan | 2018-12-31 | $1,127,266,150 |
| Total transfer of assets from this plan | 2018-12-31 | $895,526,402 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $78,182,032 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $66,038,145 |
| Total income from all sources (including contributions) | 2018-12-31 | $30,173,824 |
| Total loss/gain on sale of assets | 2018-12-31 | $-17,594,429 |
| Total of all expenses incurred | 2018-12-31 | $224,950 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $0 |
| Value of total assets at end of year | 2018-12-31 | $2,233,226,867 |
| Value of total assets at beginning of year | 2018-12-31 | $1,959,394,358 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $224,950 |
| Total interest from all sources | 2018-12-31 | $44,430,552 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $26,269 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $55,215,784 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $47,382,372 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $78,182,032 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $66,038,145 |
| Administrative expenses (other) incurred | 2018-12-31 | $198,681 |
| Value of net income/loss | 2018-12-31 | $29,948,874 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $2,155,044,835 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $1,893,356,213 |
| Income. Interest from US Government securities | 2018-12-31 | $44,297,441 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $35,492,642 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $30,654,418 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $30,654,418 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $133,111 |
| Asset value of US Government securities at end of year | 2018-12-31 | $2,142,518,441 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $1,881,357,568 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $1,181,117,242 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $1,198,711,671 |
| 2017 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of real estate assets | 2017-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $-6,113,009 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $-6,113,009 |
| Total transfer of assets to this plan | 2017-12-31 | $1,918,362,143 |
| Total transfer of assets from this plan | 2017-12-31 | $1,902,952,479 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $66,038,145 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $74,782,981 |
| Expenses. Interest paid | 2017-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2017-12-31 | $0 |
| Total income from all sources (including contributions) | 2017-12-31 | $29,762,484 |
| Total loss/gain on sale of assets | 2017-12-31 | $390,906 |
| Total of all expenses incurred | 2017-12-31 | $243,351 |
| 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 | $1,959,394,358 |
| Value of total assets at beginning of year | 2017-12-31 | $1,923,210,397 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $243,351 |
| Total interest from all sources | 2017-12-31 | $35,484,587 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $26,090 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $47,382,372 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $50,075,943 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $66,038,145 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $74,782,981 |
| Other income not declared elsewhere | 2017-12-31 | $0 |
| Administrative expenses (other) incurred | 2017-12-31 | $217,261 |
| Value of net income/loss | 2017-12-31 | $29,519,133 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $1,893,356,213 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $1,848,427,416 |
| Investment advisory and management fees | 2017-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2017-12-31 | $0 |
| Interest earned on other investments | 2017-12-31 | $0 |
| Income. Interest from US Government securities | 2017-12-31 | $35,408,907 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $30,654,418 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $34,976,047 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $34,976,047 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $75,680 |
| Asset value of US Government securities at end of year | 2017-12-31 | $1,881,357,568 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $1,838,158,407 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $0 |
| Income. Dividends from preferred stock | 2017-12-31 | $0 |
| Income. Dividends from common stock | 2017-12-31 | $0 |
| Contract administrator fees | 2017-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $935,602,658 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $935,211,752 |
| 2016 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $-22,693,424 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $-22,693,424 |
| Total transfer of assets to this plan | 2016-12-31 | $790,889,972 |
| Total transfer of assets from this plan | 2016-12-31 | $597,142,941 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $74,782,981 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $102,517,939 |
| Total income from all sources (including contributions) | 2016-12-31 | $18,893,869 |
| Total loss/gain on sale of assets | 2016-12-31 | $9,812,545 |
| Total of all expenses incurred | 2016-12-31 | $233,084 |
| 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 | $1,923,210,397 |
| Value of total assets at beginning of year | 2016-12-31 | $1,738,537,539 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $233,084 |
| Total interest from all sources | 2016-12-31 | $31,774,748 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $31,267 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $50,075,943 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $105,896,280 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $74,782,981 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $102,517,939 |
| Administrative expenses (other) incurred | 2016-12-31 | $201,817 |
| Value of net income/loss | 2016-12-31 | $18,660,785 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $1,848,427,416 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $1,636,019,600 |
| Income. Interest from US Government securities | 2016-12-31 | $31,744,054 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $34,976,047 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $27,329,483 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $27,329,483 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $30,694 |
| Asset value of US Government securities at end of year | 2016-12-31 | $1,838,158,407 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $1,605,311,776 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $856,650,842 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $846,838,297 |
| 2015 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-5,959,555 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-5,959,555 |
| Total transfer of assets to this plan | 2015-12-31 | $690,153,170 |
| Total transfer of assets from this plan | 2015-12-31 | $604,244,513 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $102,517,939 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $64,977,414 |
| Total income from all sources (including contributions) | 2015-12-31 | $26,735,536 |
| Total loss/gain on sale of assets | 2015-12-31 | $3,531,135 |
| Total of all expenses incurred | 2015-12-31 | $207,716 |
| 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 | $1,738,537,539 |
| Value of total assets at beginning of year | 2015-12-31 | $1,588,560,537 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $207,716 |
| Total interest from all sources | 2015-12-31 | $29,163,956 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $29,529 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $105,896,280 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $47,240,946 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $102,517,939 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $64,977,414 |
| Administrative expenses (other) incurred | 2015-12-31 | $178,187 |
| Total non interest bearing cash at end of year | 2015-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2015-12-31 | $66 |
| Value of net income/loss | 2015-12-31 | $26,527,820 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $1,636,019,600 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $1,523,583,123 |
| Income. Interest from US Government securities | 2015-12-31 | $29,153,954 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $27,329,483 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $25,764,172 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $25,764,172 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $10,002 |
| Asset value of US Government securities at end of year | 2015-12-31 | $1,605,311,776 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $1,515,555,353 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $781,956,142 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $778,425,007 |
| 2014 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $23,585,392 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $23,585,392 |
| Total transfer of assets to this plan | 2014-12-31 | $1,003,771,537 |
| Total transfer of assets from this plan | 2014-12-31 | $545,604,504 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $64,977,414 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $41,671,183 |
| Total income from all sources (including contributions) | 2014-12-31 | $49,707,011 |
| Total loss/gain on sale of assets | 2014-12-31 | $4,913,537 |
| Total of all expenses incurred | 2014-12-31 | $165,676 |
| 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 | $1,588,560,537 |
| Value of total assets at beginning of year | 2014-12-31 | $1,057,545,938 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $165,676 |
| Total interest from all sources | 2014-12-31 | $21,208,082 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $26,560 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $47,240,946 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $27,273,845 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $64,977,414 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $41,671,183 |
| Administrative expenses (other) incurred | 2014-12-31 | $139,116 |
| Total non interest bearing cash at end of year | 2014-12-31 | $66 |
| Total non interest bearing cash at beginning of year | 2014-12-31 | $0 |
| Value of net income/loss | 2014-12-31 | $49,541,335 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $1,523,583,123 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $1,015,874,755 |
| Income. Interest from US Government securities | 2014-12-31 | $21,198,247 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $25,764,172 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $19,827,256 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $19,827,256 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $9,835 |
| Asset value of US Government securities at end of year | 2014-12-31 | $1,515,555,353 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $1,010,444,837 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $856,743,817 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $851,830,280 |
| 2013 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-34,850,225 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-34,850,225 |
| Total transfer of assets to this plan | 2013-12-31 | $511,576,927 |
| Total transfer of assets from this plan | 2013-12-31 | $947,839,073 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $41,671,183 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $35,876,316 |
| Total income from all sources (including contributions) | 2013-12-31 | $-30,506,603 |
| Total loss/gain on sale of assets | 2013-12-31 | $-15,146,723 |
| Total of all expenses incurred | 2013-12-31 | $270,227 |
| 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 | $1,057,545,938 |
| Value of total assets at beginning of year | 2013-12-31 | $1,518,790,047 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $270,227 |
| Total interest from all sources | 2013-12-31 | $19,490,345 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $22,547 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $27,273,845 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $41,215,372 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $41,671,183 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $35,876,316 |
| Administrative expenses (other) incurred | 2013-12-31 | $247,680 |
| Value of net income/loss | 2013-12-31 | $-30,776,830 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $1,015,874,755 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,482,913,731 |
| Income. Interest from US Government securities | 2013-12-31 | $19,481,996 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $19,827,256 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $3,369,136 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $3,369,136 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $8,349 |
| Asset value of US Government securities at end of year | 2013-12-31 | $1,010,444,837 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $1,474,205,539 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $1,002,142,878 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $1,017,289,601 |
| 2012 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $10,356,321 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $10,356,321 |
| Total transfer of assets to this plan | 2012-12-31 | $492,894,053 |
| Total transfer of assets from this plan | 2012-12-31 | $973,547,365 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $35,876,316 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $71,203,797 |
| Total income from all sources (including contributions) | 2012-12-31 | $44,726,134 |
| Total loss/gain on sale of assets | 2012-12-31 | $1,764,960 |
| Total of all expenses incurred | 2012-12-31 | $404,006 |
| 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 | $1,518,790,047 |
| Value of total assets at beginning of year | 2012-12-31 | $1,990,448,712 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $404,006 |
| Total interest from all sources | 2012-12-31 | $32,604,853 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $27,647 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $41,215,372 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $79,867,418 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $35,876,316 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $71,203,797 |
| Administrative expenses (other) incurred | 2012-12-31 | $376,359 |
| Value of net income/loss | 2012-12-31 | $44,322,128 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,482,913,731 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,919,244,915 |
| Income. Interest from US Government securities | 2012-12-31 | $32,591,389 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $3,369,136 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $6,001,416 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $6,001,416 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $13,464 |
| Asset value of US Government securities at end of year | 2012-12-31 | $1,474,205,539 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $1,904,579,878 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $1,063,430,263 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $1,061,665,303 |
| 2011 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $120,853,215 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $120,853,215 |
| Total transfer of assets to this plan | 2011-12-31 | $885,566,431 |
| Total transfer of assets from this plan | 2011-12-31 | $1,700,493,645 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $71,203,797 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $84,787,508 |
| Total income from all sources (including contributions) | 2011-12-31 | $221,818,465 |
| Total loss/gain on sale of assets | 2011-12-31 | $46,573,353 |
| Total of all expenses incurred | 2011-12-31 | $528,963 |
| 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 | $1,990,448,712 |
| Value of total assets at beginning of year | 2011-12-31 | $2,597,670,135 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $528,963 |
| Total interest from all sources | 2011-12-31 | $54,391,897 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $32,313 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $79,867,418 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $94,682,275 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $71,203,797 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $84,787,508 |
| Administrative expenses (other) incurred | 2011-12-31 | $496,650 |
| Value of net income/loss | 2011-12-31 | $221,289,502 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,919,244,915 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $2,512,882,627 |
| Income. Interest from US Government securities | 2011-12-31 | $54,372,194 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $6,001,416 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $8,716,189 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $8,716,189 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $19,703 |
| Asset value of US Government securities at end of year | 2011-12-31 | $1,904,579,878 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $2,494,271,671 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $1,823,203,553 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $1,776,630,200 |
| 2010 : SSGA 3-10 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $25,760,199 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $25,760,199 |
| Total transfer of assets to this plan | 2010-12-31 | $2,168,909,872 |
| Total transfer of assets from this plan | 2010-12-31 | $1,046,274,136 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $84,787,508 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $94,970,603 |
| Total income from all sources (including contributions) | 2010-12-31 | $110,414,427 |
| Total loss/gain on sale of assets | 2010-12-31 | $31,762,644 |
| Total of all expenses incurred | 2010-12-31 | $481,957 |
| 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 | $2,597,670,135 |
| Value of total assets at beginning of year | 2010-12-31 | $1,375,285,024 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $481,957 |
| Total interest from all sources | 2010-12-31 | $52,891,584 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $27,631 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $94,682,275 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $80,889,953 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $84,787,508 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $94,970,603 |
| Administrative expenses (other) incurred | 2010-12-31 | $454,326 |
| Value of net income/loss | 2010-12-31 | $109,932,470 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $2,512,882,627 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,280,314,421 |
| Interest earned on other investments | 2010-12-31 | $6,835 |
| Income. Interest from US Government securities | 2010-12-31 | $52,865,304 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $8,716,189 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $24,871,462 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $24,871,462 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $19,445 |
| Asset value of US Government securities at end of year | 2010-12-31 | $2,494,271,671 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $1,269,523,609 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $950,195,943 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $918,433,299 |
