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 LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND
| Measure | Date | Value |
|---|
| 2023 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2023 401k financial data |
|---|
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $0 |
| Total transfer of assets to this plan | 2023-12-31 | $48,958,635 |
| Total transfer of assets from this plan | 2023-12-31 | $514,637,485 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $4,252,892 |
| Total income from all sources (including contributions) | 2023-12-31 | $15,524,610 |
| Total loss/gain on sale of assets | 2023-12-31 | $2,477,724 |
| Total of all expenses incurred | 2023-12-31 | $32,567 |
| 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 | $0 |
| Value of total assets at beginning of year | 2023-12-31 | $454,439,699 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $32,567 |
| Total interest from all sources | 2023-12-31 | $13,014,616 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2023-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-12-31 | $419,272,595 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $8,918,567 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $4,252,892 |
| Other income not declared elsewhere | 2023-12-31 | $32,270 |
| Administrative expenses (other) incurred | 2023-12-31 | $1,315 |
| Value of net income/loss | 2023-12-31 | $15,492,043 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $0 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $450,186,807 |
| Interest earned on other investments | 2023-12-31 | $12,319,044 |
| Income. Interest from US Government securities | 2023-12-31 | $21,654 |
| Income. Interest from corporate debt instruments | 2023-12-31 | $623,640 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $0 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $1,134,431 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $1,134,431 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $50,278 |
| Asset value of US Government securities at end of year | 2023-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $662,921 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-12-31 | $24,451,185 |
| Contract administrator fees | 2023-12-31 | $27,307 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $35,731,292 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $33,253,568 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $0 |
| Total transfer of assets to this plan | 2023-01-01 | $48,958,635 |
| Total transfer of assets from this plan | 2023-01-01 | $514,637,485 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $4,252,892 |
| Total income from all sources (including contributions) | 2023-01-01 | $15,524,610 |
| Total loss/gain on sale of assets | 2023-01-01 | $2,477,724 |
| Total of all expenses incurred | 2023-01-01 | $32,567 |
| 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 | $0 |
| Value of total assets at beginning of year | 2023-01-01 | $454,439,699 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $32,567 |
| Total interest from all sources | 2023-01-01 | $13,014,616 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-01-01 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2023-01-01 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-01-01 | $419,272,595 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $8,918,567 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $4,252,892 |
| Other income not declared elsewhere | 2023-01-01 | $32,270 |
| Administrative expenses (other) incurred | 2023-01-01 | $1,315 |
| Value of net income/loss | 2023-01-01 | $15,492,043 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $0 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $450,186,807 |
| Interest earned on other investments | 2023-01-01 | $12,319,044 |
| Income. Interest from US Government securities | 2023-01-01 | $21,654 |
| Income. Interest from corporate debt instruments | 2023-01-01 | $623,640 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $0 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $50,278 |
| Asset value of US Government securities at end of year | 2023-01-01 | $0 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $662,921 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-01-01 | $24,451,185 |
| Contract administrator fees | 2023-01-01 | $27,307 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $35,731,292 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $33,253,568 |
| 2022 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-142,989,362 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-142,989,362 |
| Total transfer of assets to this plan | 2022-12-31 | $143,444,348 |
| Total transfer of assets from this plan | 2022-12-31 | $187,504,872 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $4,252,892 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $5,406 |
| Total income from all sources (including contributions) | 2022-12-31 | $-141,598,146 |
| Total loss/gain on sale of assets | 2022-12-31 | $-20,378,732 |
| Total of all expenses incurred | 2022-12-31 | $64,022 |
| 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 | $454,439,699 |
| Value of total assets at beginning of year | 2022-12-31 | $635,914,905 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $64,022 |
| Total interest from all sources | 2022-12-31 | $21,769,948 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $0 |
| Administrative expenses professional fees incurred | 2022-12-31 | $12,714 |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $419,272,595 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $576,314,408 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $8,918,567 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $9,261,076 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $4,252,892 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $5,406 |
| Administrative expenses (other) incurred | 2022-12-31 | $51,308 |
| Value of net income/loss | 2022-12-31 | $-141,662,168 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $450,186,807 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $635,909,499 |
| Interest earned on other investments | 2022-12-31 | $20,565,177 |
| Income. Interest from US Government securities | 2022-12-31 | $110,677 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $1,056,211 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $1,134,431 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $2,996,869 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $2,996,869 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $37,883 |
| Asset value of US Government securities at end of year | 2022-12-31 | $662,921 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $11,594,190 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-12-31 | $24,451,185 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-12-31 | $35,748,362 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $164,553,387 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $184,932,119 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-142,989,362 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-142,989,362 |
| Total transfer of assets to this plan | 2022-01-01 | $143,444,348 |
| Total transfer of assets from this plan | 2022-01-01 | $187,504,872 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $4,252,892 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $5,406 |
| Total income from all sources (including contributions) | 2022-01-01 | $-141,598,146 |
| Total loss/gain on sale of assets | 2022-01-01 | $-20,378,732 |
| Total of all expenses incurred | 2022-01-01 | $64,022 |
| 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 | $454,439,699 |
| Value of total assets at beginning of year | 2022-01-01 | $635,914,905 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $64,022 |
| Total interest from all sources | 2022-01-01 | $21,769,948 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-01-01 | $0 |
| Administrative expenses professional fees incurred | 2022-01-01 | $12,714 |
| Assets. Other investments not covered elsewhere at end of year | 2022-01-01 | $419,272,595 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-01-01 | $576,314,408 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $8,918,567 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $9,261,076 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $4,252,892 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $5,406 |
| Administrative expenses (other) incurred | 2022-01-01 | $51,308 |
| Value of net income/loss | 2022-01-01 | $-141,662,168 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $450,186,807 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $635,909,499 |
| Interest earned on other investments | 2022-01-01 | $20,565,177 |
| Income. Interest from US Government securities | 2022-01-01 | $110,677 |
| Income. Interest from corporate debt instruments | 2022-01-01 | $1,056,211 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $1,134,431 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $37,883 |
| Asset value of US Government securities at end of year | 2022-01-01 | $662,921 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $11,594,190 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-01-01 | $24,451,185 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-01-01 | $35,748,362 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $164,553,387 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $184,932,119 |
| 2021 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND 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 | $300,305,267 |
| Total transfer of assets from this plan | 2021-12-31 | $200,666,357 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $5,406 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $4,303,926 |
| 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 | $-5,692,383 |
| Total loss/gain on sale of assets | 2021-12-31 | $-7,630,172 |
| Total of all expenses incurred | 2021-12-31 | $79,980 |
| 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 | $635,914,905 |
| Value of total assets at beginning of year | 2021-12-31 | $546,346,878 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $79,980 |
| Total interest from all sources | 2021-12-31 | $21,181,406 |
| 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 | $17,853 |
| 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 | $576,314,408 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $493,317,066 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $9,261,076 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $9,143,116 |
| 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 | $5,406 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $4,303,926 |
| Other income not declared elsewhere | 2021-12-31 | $0 |
| Administrative expenses (other) incurred | 2021-12-31 | $62,127 |
| 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 | $-5,772,363 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $635,909,499 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $542,042,952 |
| Investment advisory and management fees | 2021-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2021-12-31 | $0 |
| Interest earned on other investments | 2021-12-31 | $19,749,456 |
| Income. Interest from US Government securities | 2021-12-31 | $115,923 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $1,308,922 |
| 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 | $2,996,869 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $1,493,123 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $1,493,123 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $7,105 |
| 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 | $11,594,190 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $3,600,740 |
| 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 | $-19,243,617 |
| 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 | $35,748,362 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-12-31 | $36,151,031 |
| 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 | $2,641,802 |
| 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 | $217,643,519 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $225,273,691 |
| 2020 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $37,596,548 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $37,596,548 |
| Total transfer of assets to this plan | 2020-12-31 | $236,336,500 |
| Total transfer of assets from this plan | 2020-12-31 | $353,685,808 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $4,303,926 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $8,491,723 |
| Total income from all sources (including contributions) | 2020-12-31 | $41,550,978 |
| Total loss/gain on sale of assets | 2020-12-31 | $-16,263,104 |
| Total of all expenses incurred | 2020-12-31 | $72,757 |
| 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 | $546,346,878 |
| Value of total assets at beginning of year | 2020-12-31 | $626,405,762 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $72,757 |
| Total interest from all sources | 2020-12-31 | $20,217,534 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $0 |
| Administrative expenses professional fees incurred | 2020-12-31 | $16,078 |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $493,317,066 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $500,136,326 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $9,143,116 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $16,047,809 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $4,303,926 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $8,491,723 |
| Administrative expenses (other) incurred | 2020-12-31 | $56,679 |
| Value of net income/loss | 2020-12-31 | $41,478,221 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $542,042,952 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $617,914,039 |
| Interest earned on other investments | 2020-12-31 | $17,553,565 |
| Income. Interest from US Government securities | 2020-12-31 | $9,423 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $2,631,718 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $1,493,123 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $1,380,140 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $1,380,140 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $22,828 |
| Asset value of US Government securities at end of year | 2020-12-31 | $3,600,740 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $3,051,358 |
| Asset. Corporate debt instrument preferred debt at end of year | 2020-12-31 | $36,151,031 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2020-12-31 | $35,725,228 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $2,641,802 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $70,064,901 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $350,609,412 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $366,872,516 |
| 2019 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $71,339,240 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $71,339,240 |
| Total transfer of assets to this plan | 2019-12-31 | $127,881,098 |
| Total transfer of assets from this plan | 2019-12-31 | $340,115,840 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $8,491,723 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $16,340,980 |
| Total income from all sources (including contributions) | 2019-12-31 | $126,458,604 |
| Total loss/gain on sale of assets | 2019-12-31 | $25,381,225 |
| Total of all expenses incurred | 2019-12-31 | $91,249 |
| 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 | $626,405,762 |
| Value of total assets at beginning of year | 2019-12-31 | $720,122,406 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $91,249 |
| Total interest from all sources | 2019-12-31 | $29,738,139 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $19,280 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $500,136,326 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $590,282,806 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $16,047,809 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $23,806,657 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $8,491,723 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $16,340,980 |
| Administrative expenses (other) incurred | 2019-12-31 | $71,969 |
| Value of net income/loss | 2019-12-31 | $126,367,355 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $617,914,039 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $703,781,426 |
| Interest earned on other investments | 2019-12-31 | $23,997,969 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $5,706,039 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $1,380,140 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $0 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $34,131 |
| Asset value of US Government securities at end of year | 2019-12-31 | $3,051,358 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2019-12-31 | $35,725,228 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2019-12-31 | $42,045,590 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $70,064,901 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $63,987,353 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $329,486,910 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $304,105,685 |
| 2018 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-53,130,820 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-53,130,820 |
| Total transfer of assets to this plan | 2018-12-31 | $269,360,667 |
| Total transfer of assets from this plan | 2018-12-31 | $400,409,465 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $16,340,980 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $14,952,782 |
| Total income from all sources (including contributions) | 2018-12-31 | $-34,716,221 |
| Total loss/gain on sale of assets | 2018-12-31 | $-21,188,560 |
| Total of all expenses incurred | 2018-12-31 | $109,811 |
| 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 | $720,122,406 |
| Value of total assets at beginning of year | 2018-12-31 | $884,609,038 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $109,811 |
| Total interest from all sources | 2018-12-31 | $39,603,159 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $20,517 |
| Assets. Other investments not covered elsewhere at end of year | 2018-12-31 | $590,282,806 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $721,168,533 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $23,806,657 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $28,197,596 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $16,340,980 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $14,952,782 |
| Administrative expenses (other) incurred | 2018-12-31 | $89,294 |
| Value of net income/loss | 2018-12-31 | $-34,826,032 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $703,781,426 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $869,656,256 |
| Income. Interest from loans (other than to participants) | 2018-12-31 | $0 |
| Interest earned on other investments | 2018-12-31 | $32,123,142 |
| Income. Interest from US Government securities | 2018-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $7,410,489 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $0 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $2,480,624 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $2,480,624 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $69,528 |
| Asset. Corporate debt instrument preferred debt at end of year | 2018-12-31 | $42,045,590 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2018-12-31 | $53,883,271 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $63,987,353 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $78,879,014 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $324,958,547 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $346,147,107 |
| 2017 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND 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 | $55,915,640 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $55,915,640 |
| Total transfer of assets to this plan | 2017-12-31 | $246,555,614 |
| Total transfer of assets from this plan | 2017-12-31 | $459,890,469 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $14,952,782 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $17,165,126 |
| 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 | $107,324,695 |
| Total loss/gain on sale of assets | 2017-12-31 | $9,951,072 |
| Total of all expenses incurred | 2017-12-31 | $135,977 |
| 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 | $884,609,038 |
| Value of total assets at beginning of year | 2017-12-31 | $992,967,519 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $135,977 |
| Total interest from all sources | 2017-12-31 | $41,457,983 |
| 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 | $23,644 |
| Assets. Other investments not covered elsewhere at end of year | 2017-12-31 | $721,168,533 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $806,095,793 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $28,197,596 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $32,060,532 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $14,952,782 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $17,165,126 |
| Other income not declared elsewhere | 2017-12-31 | $0 |
| Administrative expenses (other) incurred | 2017-12-31 | $112,333 |
| Total non interest bearing cash at end of year | 2017-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2017-12-31 | $54,361 |
| Value of net income/loss | 2017-12-31 | $107,188,718 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $869,656,256 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $975,802,393 |
| 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 | $34,169,650 |
| Income. Interest from US Government securities | 2017-12-31 | $24,702 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $7,217,546 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $2,480,624 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $3,927,914 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $3,927,914 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $46,085 |
| Asset value of US Government securities at end of year | 2017-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $15,178,417 |
| 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 |
| Asset. Corporate debt instrument preferred debt at end of year | 2017-12-31 | $53,883,271 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2017-12-31 | $62,148,152 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-12-31 | $78,879,014 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $73,502,350 |
| Contract administrator fees | 2017-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $388,199,905 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $378,248,833 |
| 2016 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $9,503,300 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $9,503,300 |
| Total transfer of assets to this plan | 2016-12-31 | $198,590,404 |
| Total transfer of assets from this plan | 2016-12-31 | $446,869,145 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $17,165,126 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $41,231,349 |
| Total income from all sources (including contributions) | 2016-12-31 | $87,906,875 |
| Total loss/gain on sale of assets | 2016-12-31 | $27,806,330 |
| Total of all expenses incurred | 2016-12-31 | $171,086 |
| 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 | $992,967,519 |
| Value of total assets at beginning of year | 2016-12-31 | $1,177,576,694 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $171,086 |
| Total interest from all sources | 2016-12-31 | $50,597,245 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $30,287 |
| Assets. Other investments not covered elsewhere at end of year | 2016-12-31 | $806,095,793 |
| Assets. Other investments not covered elsewhere at beginning of year | 2016-12-31 | $979,374,128 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $32,060,532 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $55,168,414 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $17,165,126 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $41,231,349 |
| Administrative expenses (other) incurred | 2016-12-31 | $140,799 |
| Total non interest bearing cash at end of year | 2016-12-31 | $54,361 |
| Total non interest bearing cash at beginning of year | 2016-12-31 | $0 |
| Value of net income/loss | 2016-12-31 | $87,735,789 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $975,802,393 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $1,136,345,345 |
| Interest earned on other investments | 2016-12-31 | $42,925,605 |
| Income. Interest from US Government securities | 2016-12-31 | $4,800 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $7,638,190 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $3,927,914 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $4,331,895 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $4,331,895 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $28,650 |
| Asset value of US Government securities at end of year | 2016-12-31 | $15,178,417 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $886,601 |
| Asset. Corporate debt instrument preferred debt at end of year | 2016-12-31 | $62,148,152 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2016-12-31 | $67,713,853 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-12-31 | $73,502,350 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-12-31 | $70,101,803 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $449,409,886 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $421,603,556 |
| 2015 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-84,797,396 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-84,797,396 |
| Total transfer of assets to this plan | 2015-12-31 | $241,316,316 |
| Total transfer of assets from this plan | 2015-12-31 | $652,802,129 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $41,231,349 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $10,923,933 |
| Total income from all sources (including contributions) | 2015-12-31 | $-58,189,813 |
| Total loss/gain on sale of assets | 2015-12-31 | $-42,252,757 |
| Total of all expenses incurred | 2015-12-31 | $197,958 |
| 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 | $1,177,576,694 |
| Value of total assets at beginning of year | 2015-12-31 | $1,617,142,862 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $197,958 |
| Total interest from all sources | 2015-12-31 | $68,860,340 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $29,022 |
| Assets. Other investments not covered elsewhere at end of year | 2015-12-31 | $979,374,128 |
| Assets. Other investments not covered elsewhere at beginning of year | 2015-12-31 | $1,366,866,657 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $55,168,414 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $31,622,714 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $41,231,349 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $10,923,933 |
| Administrative expenses (other) incurred | 2015-12-31 | $168,936 |
| Value of net income/loss | 2015-12-31 | $-58,387,771 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $1,136,345,345 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $1,606,218,929 |
| Interest earned on other investments | 2015-12-31 | $58,302,506 |
| Income. Interest from US Government securities | 2015-12-31 | $46,086 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $10,497,720 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $4,331,895 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $1,521,996 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $1,521,996 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $14,028 |
| Asset value of US Government securities at end of year | 2015-12-31 | $886,601 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2015-12-31 | $67,713,853 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2015-12-31 | $94,839,139 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-12-31 | $70,101,803 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $122,292,356 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $631,034,692 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $673,287,449 |
| 2014 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $171,592,281 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $171,592,281 |
| Total transfer of assets to this plan | 2014-12-31 | $427,454,568 |
| Total transfer of assets from this plan | 2014-12-31 | $603,205,619 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $10,923,933 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $2,952,768 |
| Total income from all sources (including contributions) | 2014-12-31 | $282,875,596 |
| Total loss/gain on sale of assets | 2014-12-31 | $31,200,946 |
| Total of all expenses incurred | 2014-12-31 | $226,611 |
| 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 | $1,617,142,862 |
| Value of total assets at beginning of year | 2014-12-31 | $1,502,273,763 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $226,611 |
| Total interest from all sources | 2014-12-31 | $80,082,369 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $32,572 |
| Assets. Other investments not covered elsewhere at end of year | 2014-12-31 | $1,366,866,657 |
| Assets. Other investments not covered elsewhere at beginning of year | 2014-12-31 | $1,282,794,029 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $31,622,714 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $24,637,021 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $10,923,933 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $2,952,768 |
| Administrative expenses (other) incurred | 2014-12-31 | $194,039 |
| Value of net income/loss | 2014-12-31 | $282,648,985 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $1,606,218,929 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $1,499,320,995 |
| Interest earned on other investments | 2014-12-31 | $69,133,755 |
| Income. Interest from US Government securities | 2014-12-31 | $113,713 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $10,819,898 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $1,521,996 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $6,697,435 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $6,697,435 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $15,003 |
| Asset value of US Government securities at end of year | 2014-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $14,453,100 |
| Asset. Corporate debt instrument preferred debt at end of year | 2014-12-31 | $94,839,139 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2014-12-31 | $79,775,669 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-12-31 | $122,292,356 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $93,916,509 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $454,552,502 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $423,351,556 |
| 2013 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-192,319,362 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-192,319,362 |
| Total transfer of assets to this plan | 2013-12-31 | $845,589,852 |
| Total transfer of assets from this plan | 2013-12-31 | $554,482,821 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $2,952,768 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $1,902,126 |
| Total income from all sources (including contributions) | 2013-12-31 | $-137,598,671 |
| Total loss/gain on sale of assets | 2013-12-31 | $-12,841,580 |
| Total of all expenses incurred | 2013-12-31 | $273,410 |
| 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 | $1,502,273,763 |
| Value of total assets at beginning of year | 2013-12-31 | $1,347,988,171 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $273,410 |
| Total interest from all sources | 2013-12-31 | $67,562,271 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $29,155 |
| Assets. Other investments not covered elsewhere at end of year | 2013-12-31 | $1,282,794,029 |
| Assets. Other investments not covered elsewhere at beginning of year | 2013-12-31 | $1,186,004,511 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $24,637,021 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $19,476,837 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $2,952,768 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $1,902,126 |
| Administrative expenses (other) incurred | 2013-12-31 | $244,255 |
| Value of net income/loss | 2013-12-31 | $-137,872,081 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $1,499,320,995 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,346,086,045 |
| Interest earned on other investments | 2013-12-31 | $60,030,349 |
| Income. Interest from US Government securities | 2013-12-31 | $265,179 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $7,249,934 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $6,697,435 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $3,383,314 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $3,383,314 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $16,809 |
| Asset value of US Government securities at end of year | 2013-12-31 | $14,453,100 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2013-12-31 | $79,775,669 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2013-12-31 | $66,359,378 |
| Asset. Corporate debt instrument debt (other) at end of year | 2013-12-31 | $93,916,509 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2013-12-31 | $72,764,131 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $536,041,649 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $548,883,229 |
| 2012 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $95,035,587 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $95,035,587 |
| Total transfer of assets to this plan | 2012-12-31 | $301,963,445 |
| Total transfer of assets from this plan | 2012-12-31 | $528,283,797 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $1,902,126 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $15,513,689 |
| Total income from all sources (including contributions) | 2012-12-31 | $177,190,253 |
| Total loss/gain on sale of assets | 2012-12-31 | $16,113,485 |
| Total of all expenses incurred | 2012-12-31 | $307,424 |
| 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 | $1,347,988,171 |
| Value of total assets at beginning of year | 2012-12-31 | $1,411,037,257 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $307,424 |
| Total interest from all sources | 2012-12-31 | $66,041,181 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $31,049 |
| Assets. Other investments not covered elsewhere at end of year | 2012-12-31 | $1,186,004,511 |
| Assets. Other investments not covered elsewhere at beginning of year | 2012-12-31 | $1,254,280,699 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $19,476,837 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $26,237,771 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $1,902,126 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $15,513,689 |
| Administrative expenses (other) incurred | 2012-12-31 | $276,375 |
| Total non interest bearing cash at end of year | 2012-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2012-12-31 | $20,159 |
| Value of net income/loss | 2012-12-31 | $176,882,829 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,346,086,045 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,395,523,568 |
| Interest earned on other investments | 2012-12-31 | $60,069,274 |
| Income. Interest from corporate debt instruments | 2012-12-31 | $5,952,627 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $3,383,314 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $8,140,906 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $8,140,906 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $19,280 |
| Asset. Corporate debt instrument preferred debt at end of year | 2012-12-31 | $66,359,378 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2012-12-31 | $69,523,509 |
| Asset. Corporate debt instrument debt (other) at end of year | 2012-12-31 | $72,764,131 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2012-12-31 | $52,834,213 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $458,131,990 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $442,018,505 |
| 2011 : STATE STREET LONG U.S. CREDIT NON-CORPORATE BOND INDEX NON-LENDING FUND 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $23,362,281 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $23,362,281 |
| Total transfer of assets to this plan | 2011-12-31 | $1,767,955,032 |
| Total transfer of assets from this plan | 2011-12-31 | $449,174,242 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $15,513,689 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total income from all sources (including contributions) | 2011-12-31 | $76,878,980 |
| Total loss/gain on sale of assets | 2011-12-31 | $27,639,883 |
| Total of all expenses incurred | 2011-12-31 | $136,202 |
| 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 | $1,411,037,257 |
| Value of total assets at beginning of year | 2011-12-31 | $0 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $136,202 |
| Total interest from all sources | 2011-12-31 | $25,876,816 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $35,360 |
| Assets. Other investments not covered elsewhere at end of year | 2011-12-31 | $1,254,280,699 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $26,237,771 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $15,513,689 |
| Administrative expenses (other) incurred | 2011-12-31 | $100,842 |
| Total non interest bearing cash at end of year | 2011-12-31 | $20,159 |
| Value of net income/loss | 2011-12-31 | $76,742,778 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,395,523,568 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $0 |
| Interest earned on other investments | 2011-12-31 | $24,096,581 |
| Income. Interest from corporate debt instruments | 2011-12-31 | $1,771,951 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $8,140,906 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $8,284 |
| Asset. Corporate debt instrument preferred debt at end of year | 2011-12-31 | $69,523,509 |
| Asset. Corporate debt instrument debt (other) at end of year | 2011-12-31 | $52,834,213 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $274,556,167 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $246,916,284 |
