STATE STREET GLOBAL ADVISORS TRUST COMPANY has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND
| Measure | Date | Value |
|---|
| 2023 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $95,149,155 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $95,149,155 |
| Total transfer of assets to this plan | 2023-12-31 | $1,008,731,073 |
| Total transfer of assets from this plan | 2023-12-31 | $853,268,436 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $39,742,624 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $72,767,160 |
| Total income from all sources (including contributions) | 2023-12-31 | $126,825,327 |
| Total loss/gain on sale of assets | 2023-12-31 | $-66,557,037 |
| Total of all expenses incurred | 2023-12-31 | $317,745 |
| 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 | $3,096,535,587 |
| Value of total assets at beginning of year | 2023-12-31 | $2,847,589,904 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $317,745 |
| Total interest from all sources | 2023-12-31 | $98,233,209 |
| 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 | $34,012,331 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $16,675,409 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $39,742,624 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $72,767,160 |
| Administrative expenses (other) incurred | 2023-12-31 | $607 |
| Value of net income/loss | 2023-12-31 | $126,507,582 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $3,056,792,963 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $2,774,822,744 |
| Income. Interest from US Government securities | 2023-12-31 | $97,931,210 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $26,739,464 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $71,179,436 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $71,179,436 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $301,999 |
| Asset value of US Government securities at end of year | 2023-12-31 | $3,035,783,792 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $2,759,735,059 |
| Contract administrator fees | 2023-12-31 | $293,428 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $2,165,318,976 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $2,231,876,013 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $95,149,155 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $95,149,155 |
| Total transfer of assets to this plan | 2023-01-01 | $1,008,731,073 |
| Total transfer of assets from this plan | 2023-01-01 | $853,268,436 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $39,742,624 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $72,767,160 |
| Total income from all sources (including contributions) | 2023-01-01 | $126,825,327 |
| Total loss/gain on sale of assets | 2023-01-01 | $-66,557,037 |
| Total of all expenses incurred | 2023-01-01 | $317,745 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-01-01 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-01-01 | $0 |
| Value of total assets at end of year | 2023-01-01 | $3,096,535,587 |
| Value of total assets at beginning of year | 2023-01-01 | $2,847,589,904 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $317,745 |
| Total interest from all sources | 2023-01-01 | $98,233,209 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $34,012,331 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $16,675,409 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $39,742,624 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $72,767,160 |
| Administrative expenses (other) incurred | 2023-01-01 | $607 |
| Value of net income/loss | 2023-01-01 | $126,507,582 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $3,056,792,963 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $2,774,822,744 |
| Income. Interest from US Government securities | 2023-01-01 | $97,931,210 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $26,739,464 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $301,999 |
| Asset value of US Government securities at end of year | 2023-01-01 | $3,035,783,792 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $2,759,735,059 |
| Contract administrator fees | 2023-01-01 | $293,428 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $2,165,318,976 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $2,231,876,013 |
| 2022 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-80,164,074 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-80,164,074 |
| Total transfer of assets to this plan | 2022-12-31 | $1,458,390,643 |
| Total transfer of assets from this plan | 2022-12-31 | $753,739,800 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $72,767,160 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $51,222,992 |
| Total income from all sources (including contributions) | 2022-12-31 | $-83,771,059 |
| Total loss/gain on sale of assets | 2022-12-31 | $-34,220,270 |
| Total of all expenses incurred | 2022-12-31 | $259,075 |
| 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 | $2,847,589,904 |
| Value of total assets at beginning of year | 2022-12-31 | $2,205,425,027 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $259,075 |
| Total interest from all sources | 2022-12-31 | $30,613,285 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $0 |
| Administrative expenses professional fees incurred | 2022-12-31 | $14,641 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $16,675,409 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $44,582,554 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $72,767,160 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $51,222,992 |
| Administrative expenses (other) incurred | 2022-12-31 | $244,434 |
| Value of net income/loss | 2022-12-31 | $-84,030,134 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $2,774,822,744 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $2,154,202,035 |
| Interest earned on other investments | 2022-12-31 | $174,605 |
| Income. Interest from US Government securities | 2022-12-31 | $30,337,332 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $71,179,436 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $15,685,785 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $15,685,785 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $101,348 |
| Asset value of US Government securities at end of year | 2022-12-31 | $2,759,735,059 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $2,145,156,688 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $1,467,222,202 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $1,501,442,472 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-80,164,074 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-80,164,074 |
| Total transfer of assets to this plan | 2022-01-01 | $1,458,390,643 |
| Total transfer of assets from this plan | 2022-01-01 | $753,739,800 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $72,767,160 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $51,222,992 |
| Total income from all sources (including contributions) | 2022-01-01 | $-83,771,059 |
| Total loss/gain on sale of assets | 2022-01-01 | $-34,220,270 |
| Total of all expenses incurred | 2022-01-01 | $259,075 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-01-01 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-01-01 | $0 |
| Value of total assets at end of year | 2022-01-01 | $2,847,589,904 |
| Value of total assets at beginning of year | 2022-01-01 | $2,205,425,027 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $259,075 |
| Total interest from all sources | 2022-01-01 | $30,613,285 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-01-01 | $0 |
| Administrative expenses professional fees incurred | 2022-01-01 | $14,641 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $16,675,409 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $44,582,554 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $72,767,160 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $51,222,992 |
| Administrative expenses (other) incurred | 2022-01-01 | $244,434 |
| Value of net income/loss | 2022-01-01 | $-84,030,134 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $2,774,822,744 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $2,154,202,035 |
| Interest earned on other investments | 2022-01-01 | $174,605 |
| Income. Interest from US Government securities | 2022-01-01 | $30,337,332 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $71,179,436 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $101,348 |
| Asset value of US Government securities at end of year | 2022-01-01 | $2,759,735,059 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $2,145,156,688 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $1,467,222,202 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $1,501,442,472 |
| 2021 : STATE STREET 1-3 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 | $837,560,790 |
| Total transfer of assets from this plan | 2021-12-31 | $508,419,868 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $51,222,992 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $52,802,454 |
| 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 | $-12,723,986 |
| Total loss/gain on sale of assets | 2021-12-31 | $-6,441,302 |
| Total of all expenses incurred | 2021-12-31 | $234,141 |
| 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 | $2,205,425,027 |
| Value of total assets at beginning of year | 2021-12-31 | $1,890,821,694 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $234,141 |
| Total interest from all sources | 2021-12-31 | $10,380,352 |
| 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 | $29,386 |
| 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 | $44,582,554 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $43,779,455 |
| 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 | $51,222,992 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $52,802,454 |
| Other income not declared elsewhere | 2021-12-31 | $0 |
| Administrative expenses (other) incurred | 2021-12-31 | $204,755 |
| 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 | $-12,958,127 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $2,154,202,035 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $1,838,019,240 |
| 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 | $10,371,906 |
| 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 | $15,685,785 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $17,867,723 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $17,867,723 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $8,446 |
| 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 | $2,145,156,688 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $1,829,174,516 |
| 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 | $-16,663,036 |
| 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 | $1,126,034,446 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $1,132,475,748 |
| 2020 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $20,445,186 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $20,445,186 |
| Total transfer of assets to this plan | 2020-12-31 | $1,000,457,594 |
| Total transfer of assets from this plan | 2020-12-31 | $2,650,284,102 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $52,802,454 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $90,762,324 |
| Total income from all sources (including contributions) | 2020-12-31 | $96,199,074 |
| Total loss/gain on sale of assets | 2020-12-31 | $39,032,922 |
| Total of all expenses incurred | 2020-12-31 | $257,146 |
| 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 | $1,890,821,694 |
| Value of total assets at beginning of year | 2020-12-31 | $3,482,666,144 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $257,146 |
| Total interest from all sources | 2020-12-31 | $36,720,966 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $0 |
| Administrative expenses professional fees incurred | 2020-12-31 | $29,830 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $43,779,455 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $60,336,225 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $52,802,454 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $90,762,324 |
| Administrative expenses (other) incurred | 2020-12-31 | $227,316 |
| Value of net income/loss | 2020-12-31 | $95,941,928 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $1,838,019,240 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $3,391,903,820 |
| Income. Interest from US Government securities | 2020-12-31 | $36,684,707 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $17,867,723 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $46,848,073 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $46,848,073 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $36,259 |
| Asset value of US Government securities at end of year | 2020-12-31 | $1,829,174,516 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $3,375,481,846 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $2,859,405,205 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $2,820,372,283 |
| 2019 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $24,851,104 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $24,851,104 |
| Total transfer of assets to this plan | 2019-12-31 | $1,573,524,460 |
| Total transfer of assets from this plan | 2019-12-31 | $1,174,674,422 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $90,762,324 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $81,353,566 |
| Total income from all sources (including contributions) | 2019-12-31 | $115,423,455 |
| Total loss/gain on sale of assets | 2019-12-31 | $15,683,295 |
| Total of all expenses incurred | 2019-12-31 | $361,315 |
| 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 | $3,482,666,144 |
| Value of total assets at beginning of year | 2019-12-31 | $2,959,345,208 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $361,315 |
| Total interest from all sources | 2019-12-31 | $74,889,056 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $32,986 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $60,336,225 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $35,740,334 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $90,762,324 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $81,353,566 |
| Administrative expenses (other) incurred | 2019-12-31 | $328,329 |
| Value of net income/loss | 2019-12-31 | $115,062,140 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $3,391,903,820 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $2,877,991,642 |
| Income. Interest from US Government securities | 2019-12-31 | $74,729,309 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $46,848,073 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $59,979,762 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $59,979,762 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $159,747 |
| Asset value of US Government securities at end of year | 2019-12-31 | $3,375,481,846 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $2,863,625,112 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $2,132,613,666 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $2,116,930,371 |
| 2018 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $2,618,169 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $2,618,169 |
| Total transfer of assets to this plan | 2018-12-31 | $1,326,569,660 |
| Total transfer of assets from this plan | 2018-12-31 | $724,841,046 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $81,353,566 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $58,826,486 |
| Total income from all sources (including contributions) | 2018-12-31 | $44,906,586 |
| Total loss/gain on sale of assets | 2018-12-31 | $-5,430,297 |
| Total of all expenses incurred | 2018-12-31 | $292,280 |
| 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 | $2,959,345,208 |
| Value of total assets at beginning of year | 2018-12-31 | $2,290,475,208 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $292,280 |
| Total interest from all sources | 2018-12-31 | $47,718,714 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $30,700 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $35,740,334 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $23,835,334 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $81,353,566 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $58,826,486 |
| Administrative expenses (other) incurred | 2018-12-31 | $261,580 |
| Value of net income/loss | 2018-12-31 | $44,614,306 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $2,877,991,642 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $2,231,648,722 |
| Interest earned on other investments | 2018-12-31 | $646 |
| Income. Interest from US Government securities | 2018-12-31 | $47,542,395 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $59,979,762 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $45,597,756 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $45,597,756 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $175,673 |
| Asset value of US Government securities at end of year | 2018-12-31 | $2,863,625,112 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $2,221,042,118 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $1,454,253,947 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $1,459,684,244 |
| 2017 : STATE STREET 1-3 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 | $-12,338,643 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $-12,338,643 |
| Total transfer of assets to this plan | 2017-12-31 | $1,533,300,020 |
| Total transfer of assets from this plan | 2017-12-31 | $1,392,174,022 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $58,826,486 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $64,308,689 |
| 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 | $9,481,000 |
| Total loss/gain on sale of assets | 2017-12-31 | $-4,207,166 |
| Total of all expenses incurred | 2017-12-31 | $291,366 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $0 |
| Value of total assets at end of year | 2017-12-31 | $2,290,475,208 |
| Value of total assets at beginning of year | 2017-12-31 | $2,145,641,779 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $291,366 |
| Total interest from all sources | 2017-12-31 | $26,026,809 |
| 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 | $30,216 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $23,835,334 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $17,486,423 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $58,826,486 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $64,308,689 |
| Other income not declared elsewhere | 2017-12-31 | $0 |
| Administrative expenses (other) incurred | 2017-12-31 | $261,150 |
| Value of net income/loss | 2017-12-31 | $9,189,634 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $2,231,648,722 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $2,081,333,090 |
| 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 | $25,943,289 |
| 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 | $45,597,756 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $55,173,039 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $55,173,039 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $83,520 |
| Asset value of US Government securities at end of year | 2017-12-31 | $2,221,042,118 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $2,072,982,317 |
| 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 | $1,272,892,211 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $1,277,099,377 |
| 2016 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $-2,425,791 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $-2,425,791 |
| Total transfer of assets to this plan | 2016-12-31 | $658,293,307 |
| Total transfer of assets from this plan | 2016-12-31 | $821,648,657 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $64,308,689 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $99,710,192 |
| Total income from all sources (including contributions) | 2016-12-31 | $20,855,347 |
| Total loss/gain on sale of assets | 2016-12-31 | $2,282,201 |
| Total of all expenses incurred | 2016-12-31 | $291,394 |
| 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 | $2,145,641,779 |
| Value of total assets at beginning of year | 2016-12-31 | $2,323,834,679 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $291,394 |
| Total interest from all sources | 2016-12-31 | $20,998,937 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $33,909 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $17,486,423 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $55,969,913 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $64,308,689 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $99,710,192 |
| Administrative expenses (other) incurred | 2016-12-31 | $257,485 |
| Value of net income/loss | 2016-12-31 | $20,563,953 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $2,081,333,090 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $2,224,124,487 |
| Income. Interest from US Government securities | 2016-12-31 | $20,939,034 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $55,173,039 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $68,959,266 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $68,959,266 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $59,903 |
| Asset value of US Government securities at end of year | 2016-12-31 | $2,072,982,317 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $2,198,905,500 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $1,536,310,441 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $1,534,028,240 |
| 2015 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $902,943 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $902,943 |
| Total transfer of assets to this plan | 2015-12-31 | $784,465,507 |
| Total transfer of assets from this plan | 2015-12-31 | $763,309,871 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $99,710,192 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $70,974,684 |
| Total income from all sources (including contributions) | 2015-12-31 | $13,148,215 |
| Total loss/gain on sale of assets | 2015-12-31 | $-4,565,285 |
| Total of all expenses incurred | 2015-12-31 | $278,498 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $0 |
| Value of total assets at end of year | 2015-12-31 | $2,323,834,679 |
| Value of total assets at beginning of year | 2015-12-31 | $2,261,073,818 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $278,498 |
| Total interest from all sources | 2015-12-31 | $16,810,557 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $32,095 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $55,969,913 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $25,001,867 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $99,710,192 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $70,974,684 |
| Administrative expenses (other) incurred | 2015-12-31 | $246,403 |
| Value of net income/loss | 2015-12-31 | $12,869,717 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $2,224,124,487 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $2,190,099,134 |
| Income. Interest from US Government securities | 2015-12-31 | $16,786,098 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $68,959,266 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $53,861,402 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $53,861,402 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $24,459 |
| Asset value of US Government securities at end of year | 2015-12-31 | $2,198,905,500 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $2,182,210,549 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $1,467,846,964 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $1,472,412,249 |
| 2014 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $5,563,931 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $5,563,931 |
| Total transfer of assets to this plan | 2014-12-31 | $1,411,152,161 |
| Total transfer of assets from this plan | 2014-12-31 | $859,000,903 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $70,974,684 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $57,844,030 |
| Total income from all sources (including contributions) | 2014-12-31 | $12,205,370 |
| Total loss/gain on sale of assets | 2014-12-31 | $-4,110,938 |
| Total of all expenses incurred | 2014-12-31 | $261,350 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $0 |
| Value of total assets at end of year | 2014-12-31 | $2,261,073,818 |
| Value of total assets at beginning of year | 2014-12-31 | $1,683,847,886 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $261,350 |
| Total interest from all sources | 2014-12-31 | $10,752,377 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $30,350 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $25,001,867 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $6,136,013 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $70,974,684 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $57,844,030 |
| Administrative expenses (other) incurred | 2014-12-31 | $231,000 |
| Value of net income/loss | 2014-12-31 | $11,944,020 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $2,190,099,134 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $1,626,003,856 |
| Interest earned on other investments | 2014-12-31 | $1,596 |
| Income. Interest from US Government securities | 2014-12-31 | $10,730,102 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $53,861,402 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $57,479,562 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $57,479,562 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $20,679 |
| Asset value of US Government securities at end of year | 2014-12-31 | $2,182,210,549 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $1,620,232,311 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $1,669,031,539 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $1,673,142,477 |
| 2013 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $7,342,839 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $7,342,839 |
| Total transfer of assets to this plan | 2013-12-31 | $1,047,935,443 |
| Total transfer of assets from this plan | 2013-12-31 | $1,097,735,541 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $57,844,030 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $68,613,210 |
| Total income from all sources (including contributions) | 2013-12-31 | $6,457,892 |
| Total loss/gain on sale of assets | 2013-12-31 | $-7,371,486 |
| Total of all expenses incurred | 2013-12-31 | $373,811 |
| 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 | $1,683,847,886 |
| Value of total assets at beginning of year | 2013-12-31 | $1,738,333,083 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $373,811 |
| Total interest from all sources | 2013-12-31 | $6,486,539 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $26,336 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $6,136,013 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $77,936,501 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $57,844,030 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $68,613,210 |
| Administrative expenses (other) incurred | 2013-12-31 | $347,475 |
| Value of net income/loss | 2013-12-31 | $6,084,081 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $1,626,003,856 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,669,719,873 |
| Income. Interest from US Government securities | 2013-12-31 | $6,465,176 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $57,479,562 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $4,842,819 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $4,842,819 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $21,363 |
| Asset value of US Government securities at end of year | 2013-12-31 | $1,620,232,311 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $1,655,553,763 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $1,713,387,780 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $1,720,759,266 |
| 2012 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $4,014,937 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $4,014,937 |
| Total transfer of assets to this plan | 2012-12-31 | $882,274,018 |
| Total transfer of assets from this plan | 2012-12-31 | $819,637,023 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $68,613,210 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $81,180,330 |
| Total income from all sources (including contributions) | 2012-12-31 | $7,009,508 |
| Total loss/gain on sale of assets | 2012-12-31 | $-5,474,668 |
| Total of all expenses incurred | 2012-12-31 | $420,618 |
| 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 | $1,738,333,083 |
| Value of total assets at beginning of year | 2012-12-31 | $1,681,674,318 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $420,618 |
| Total interest from all sources | 2012-12-31 | $8,469,239 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $29,692 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $77,936,501 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $15,700,413 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $68,613,210 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $81,180,330 |
| Administrative expenses (other) incurred | 2012-12-31 | $390,926 |
| Value of net income/loss | 2012-12-31 | $6,588,890 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,669,719,873 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,600,493,988 |
| Income. Interest from US Government securities | 2012-12-31 | $8,433,321 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $4,842,819 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $72,881,402 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $72,881,402 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $35,918 |
| Asset value of US Government securities at end of year | 2012-12-31 | $1,655,553,763 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $1,593,092,503 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $1,480,411,109 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $1,485,885,777 |
| 2011 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $15,596,051 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $15,596,051 |
| Total transfer of assets to this plan | 2011-12-31 | $895,184,423 |
| Total transfer of assets from this plan | 2011-12-31 | $1,388,193,378 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $81,180,330 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $112,246,560 |
| Total income from all sources (including contributions) | 2011-12-31 | $28,716,971 |
| Total loss/gain on sale of assets | 2011-12-31 | $-2,160,057 |
| Total of all expenses incurred | 2011-12-31 | $434,131 |
| 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 | $1,681,674,318 |
| Value of total assets at beginning of year | 2011-12-31 | $2,177,466,663 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $434,131 |
| Total interest from all sources | 2011-12-31 | $15,280,977 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $33,020 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $15,700,413 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $113,383,874 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $81,180,330 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $112,246,560 |
| Administrative expenses (other) incurred | 2011-12-31 | $401,111 |
| Value of net income/loss | 2011-12-31 | $28,282,840 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,600,493,988 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $2,065,220,103 |
| Interest earned on other investments | 2011-12-31 | $8,014 |
| Income. Interest from US Government securities | 2011-12-31 | $15,221,313 |
| 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 | $72,881,402 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $7,531,054 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $7,531,054 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $51,650 |
| Asset value of US Government securities at end of year | 2011-12-31 | $1,593,092,503 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $2,056,551,735 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $2,228,120,456 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $2,230,280,513 |
| 2010 : STATE STREET 1-3 YEAR U.S. TREASURY INDEX NON-LENDING FUND 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $13,564,998 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $13,564,998 |
| Total transfer of assets to this plan | 2010-12-31 | $1,709,126,146 |
| Total transfer of assets from this plan | 2010-12-31 | $934,344,069 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $112,246,560 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $86,713,130 |
| Total income from all sources (including contributions) | 2010-12-31 | $35,600,744 |
| Total loss/gain on sale of assets | 2010-12-31 | $4,038,992 |
| Total of all expenses incurred | 2010-12-31 | $406,578 |
| 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 | $2,177,466,663 |
| Value of total assets at beginning of year | 2010-12-31 | $1,341,956,990 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $406,578 |
| Total interest from all sources | 2010-12-31 | $17,996,754 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $27,737 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $113,383,874 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $74,384,010 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $112,246,560 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $86,713,130 |
| Administrative expenses (other) incurred | 2010-12-31 | $378,841 |
| Value of net income/loss | 2010-12-31 | $35,194,166 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $2,065,220,103 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,255,243,860 |
| Interest earned on other investments | 2010-12-31 | $1,047 |
| Income. Interest from US Government securities | 2010-12-31 | $17,951,319 |
| 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 | $7,531,054 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $21,270,457 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $21,270,457 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $44,388 |
| Asset value of US Government securities at end of year | 2010-12-31 | $2,056,551,735 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $1,246,302,523 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $1,434,956,369 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $1,430,917,377 |
