NORTHERN TRUST INVESTMENTS, INC. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING
| Measure | Date | Value |
|---|
| 2023 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $21,907,834 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $21,907,834 |
| Total transfer of assets to this plan | 2023-12-31 | $313,676,174 |
| Total transfer of assets from this plan | 2023-12-31 | $340,156,625 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $5,350,306 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $5,492,519 |
| Total income from all sources (including contributions) | 2023-12-31 | $88,389,586 |
| Total loss/gain on sale of assets | 2023-12-31 | $-9,296,444 |
| Total of all expenses incurred | 2023-12-31 | $24,701 |
| 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 | $1,587,542,656 |
| Value of total assets at beginning of year | 2023-12-31 | $1,525,800,435 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $24,701 |
| Total interest from all sources | 2023-12-31 | $14,320,867 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $10,925,546 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $11,679,640 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $9,471,345 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $5,350,306 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $5,492,519 |
| Administrative expenses (other) incurred | 2023-12-31 | $1,440 |
| Value of net income/loss | 2023-12-31 | $88,364,885 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $1,582,192,350 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $1,520,307,916 |
| Income. Interest from US Government securities | 2023-12-31 | $14,320,867 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $907,921,847 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $881,837,740 |
| Asset value of US Government securities at end of year | 2023-12-31 | $667,941,169 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $634,491,350 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $50,531,783 |
| Income. Dividends from common stock | 2023-12-31 | $10,925,546 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $212,230,883 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $221,527,327 |
| 2022 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-102,301,410 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-102,301,410 |
| Total transfer of assets to this plan | 2022-12-31 | $109,148,589 |
| Total transfer of assets from this plan | 2022-12-31 | $546,144,507 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $5,492,519 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $8,948,763 |
| Total income from all sources (including contributions) | 2022-12-31 | $-260,245,375 |
| Total loss/gain on sale of assets | 2022-12-31 | $-10,790,149 |
| Total of all expenses incurred | 2022-12-31 | $23,118 |
| 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 | $1,525,800,435 |
| Value of total assets at beginning of year | 2022-12-31 | $2,226,521,090 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $23,118 |
| Total interest from all sources | 2022-12-31 | $13,103,940 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $0 |
| Administrative expenses professional fees incurred | 2022-12-31 | $22,070 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $9,471,345 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $11,394,749 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $5,492,519 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $8,948,763 |
| Administrative expenses (other) incurred | 2022-12-31 | $1,048 |
| Value of net income/loss | 2022-12-31 | $-260,268,493 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $1,520,307,916 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $2,217,572,327 |
| Income. Interest from US Government securities | 2022-12-31 | $13,102,493 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $1,447 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $881,837,740 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $1,322,417,684 |
| Asset value of US Government securities at end of year | 2022-12-31 | $634,491,350 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $891,998,840 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $-160,257,756 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $709,817 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $275,321,569 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $286,111,718 |
| 2021 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-33,816,046 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-33,816,046 |
| Total transfer of assets to this plan | 2021-12-31 | $612,299,080 |
| Total transfer of assets from this plan | 2021-12-31 | $348,321,057 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $8,948,763 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $10,041,384 |
| Total income from all sources (including contributions) | 2021-12-31 | $-29,244,097 |
| Total loss/gain on sale of assets | 2021-12-31 | $4,052,869 |
| Total of all expenses incurred | 2021-12-31 | $22,424 |
| 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 | $2,226,521,090 |
| Value of total assets at beginning of year | 2021-12-31 | $1,992,902,209 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $22,424 |
| Total interest from all sources | 2021-12-31 | $13,344,145 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $4,161 |
| Administrative expenses professional fees incurred | 2021-12-31 | $21,636 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $11,394,749 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $13,609,018 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $8,948,763 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $10,041,384 |
| Administrative expenses (other) incurred | 2021-12-31 | $788 |
| Value of net income/loss | 2021-12-31 | $-29,266,521 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $2,217,572,327 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $1,982,860,825 |
| Income. Interest from US Government securities | 2021-12-31 | $13,326,598 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $17,547 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $1,322,417,684 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $1,223,449,827 |
| Asset value of US Government securities at end of year | 2021-12-31 | $891,998,840 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $755,116,522 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $-12,829,226 |
| Income. Dividends from common stock | 2021-12-31 | $4,161 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $709,817 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $726,842 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $193,472,127 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $189,419,258 |
| 2020 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $30,210,071 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $30,210,071 |
| Total transfer of assets to this plan | 2020-12-31 | $609,759,880 |
| Total transfer of assets from this plan | 2020-12-31 | $694,494,430 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $10,041,384 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $55,587 |
| Total income from all sources (including contributions) | 2020-12-31 | $138,238,280 |
| Total loss/gain on sale of assets | 2020-12-31 | $18,007,404 |
| Total of all expenses incurred | 2020-12-31 | $21,933 |
| 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 | $1,992,902,209 |
| Value of total assets at beginning of year | 2020-12-31 | $1,929,434,615 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $21,933 |
| Total interest from all sources | 2020-12-31 | $14,787,688 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $0 |
| Administrative expenses professional fees incurred | 2020-12-31 | $21,283 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $13,609,018 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $7,873,116 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $10,041,384 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $55,587 |
| Administrative expenses (other) incurred | 2020-12-31 | $650 |
| Value of net income/loss | 2020-12-31 | $138,216,347 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $1,982,860,825 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $1,929,379,028 |
| Income. Interest from US Government securities | 2020-12-31 | $14,770,142 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $17,546 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $1,223,449,827 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $1,141,112,070 |
| Asset value of US Government securities at end of year | 2020-12-31 | $755,116,522 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $779,739,194 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $75,233,117 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $726,842 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $710,235 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $364,688,580 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $346,681,176 |
| 2019 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $30,027,318 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $30,027,318 |
| Total transfer of assets to this plan | 2019-12-31 | $338,122,467 |
| Total transfer of assets from this plan | 2019-12-31 | $439,552,067 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $55,587 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $9,225,113 |
| Total income from all sources (including contributions) | 2019-12-31 | $154,281,206 |
| Total loss/gain on sale of assets | 2019-12-31 | $889,199 |
| Total of all expenses incurred | 2019-12-31 | $21,480 |
| 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 | $1,929,434,615 |
| Value of total assets at beginning of year | 2019-12-31 | $1,885,774,015 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $21,480 |
| Total interest from all sources | 2019-12-31 | $17,641,892 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $20,830 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $7,873,116 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $14,271,346 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $55,587 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $9,225,113 |
| Administrative expenses (other) incurred | 2019-12-31 | $650 |
| Value of net income/loss | 2019-12-31 | $154,259,726 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $1,929,379,028 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $1,876,548,902 |
| Income. Interest from US Government securities | 2019-12-31 | $17,624,347 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $17,545 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $1,141,112,070 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $1,127,115,242 |
| Asset value of US Government securities at end of year | 2019-12-31 | $779,739,194 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $743,700,548 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $105,722,797 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $710,235 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $686,879 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $320,552,595 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $319,663,396 |
| 2018 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-2,577,394 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-2,577,394 |
| Total transfer of assets to this plan | 2018-12-31 | $867,718,412 |
| Total transfer of assets from this plan | 2018-12-31 | $444,910,377 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $9,225,113 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $12,134,064 |
| Total income from all sources (including contributions) | 2018-12-31 | $6,686,205 |
| Total loss/gain on sale of assets | 2018-12-31 | $-2,619,095 |
| Total of all expenses incurred | 2018-12-31 | $21,110 |
| 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 | $1,885,774,015 |
| Value of total assets at beginning of year | 2018-12-31 | $1,459,209,836 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $21,110 |
| Total interest from all sources | 2018-12-31 | $14,867,647 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $20,460 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $14,271,346 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $10,748,889 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $9,225,113 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $12,134,064 |
| Administrative expenses (other) incurred | 2018-12-31 | $650 |
| Value of net income/loss | 2018-12-31 | $6,665,095 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $1,876,548,902 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $1,447,075,772 |
| Income. Interest from US Government securities | 2018-12-31 | $14,850,103 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $17,544 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $1,127,115,242 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $889,343,446 |
| Asset value of US Government securities at end of year | 2018-12-31 | $743,700,548 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $558,423,188 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $-2,984,953 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $686,879 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $694,313 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $230,133,856 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $232,752,951 |
| 2017 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $2,177,601 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $2,177,601 |
| Total transfer of assets to this plan | 2017-12-31 | $302,588,838 |
| Total transfer of assets from this plan | 2017-12-31 | $152,733,942 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $12,134,064 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $4,580,479 |
| Total income from all sources (including contributions) | 2017-12-31 | $45,516,407 |
| Total loss/gain on sale of assets | 2017-12-31 | $-280,437 |
| Total of all expenses incurred | 2017-12-31 | $20,570 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $0 |
| Value of total assets at end of year | 2017-12-31 | $1,459,209,836 |
| Value of total assets at beginning of year | 2017-12-31 | $1,256,305,518 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $20,570 |
| Total interest from all sources | 2017-12-31 | $9,552,425 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $20,570 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $10,748,889 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $4,082,176 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $12,134,064 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $4,580,479 |
| Total non interest bearing cash at beginning of year | 2017-12-31 | $217,899 |
| Value of net income/loss | 2017-12-31 | $45,495,837 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $1,447,075,772 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $1,251,725,039 |
| Income. Interest from US Government securities | 2017-12-31 | $9,534,882 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $17,543 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $889,343,446 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $773,010,315 |
| Asset value of US Government securities at end of year | 2017-12-31 | $558,423,188 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $478,309,899 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $34,066,818 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-12-31 | $694,313 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $685,229 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $136,759,081 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $137,039,518 |
| 2016 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $-5,985,580 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $-5,985,580 |
| Total transfer of assets to this plan | 2016-12-31 | $459,756,410 |
| Total transfer of assets from this plan | 2016-12-31 | $308,110,483 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $4,580,479 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $27,048,776 |
| Total income from all sources (including contributions) | 2016-12-31 | $25,794,800 |
| Total loss/gain on sale of assets | 2016-12-31 | $1,522,297 |
| Total of all expenses incurred | 2016-12-31 | $19,810 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $0 |
| Value of total assets at end of year | 2016-12-31 | $1,256,305,518 |
| Value of total assets at beginning of year | 2016-12-31 | $1,101,352,898 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $19,810 |
| Total interest from all sources | 2016-12-31 | $7,955,288 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $19,810 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $4,082,176 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $25,724,432 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $4,580,479 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $27,048,776 |
| Total non interest bearing cash at end of year | 2016-12-31 | $217,899 |
| Value of net income/loss | 2016-12-31 | $25,774,990 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $1,251,725,039 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $1,074,304,122 |
| Income. Interest from US Government securities | 2016-12-31 | $7,937,746 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $17,542 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $773,010,315 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $653,560,644 |
| Asset value of US Government securities at end of year | 2016-12-31 | $478,309,899 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $421,390,133 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $22,302,795 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-12-31 | $685,229 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-12-31 | $677,689 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $197,532,763 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $196,010,466 |
| 2015 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-5,708,588 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-5,708,588 |
| Total transfer of assets to this plan | 2015-12-31 | $311,282,908 |
| Total transfer of assets from this plan | 2015-12-31 | $654,118,059 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $27,048,776 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $21,196,284 |
| Total income from all sources (including contributions) | 2015-12-31 | $7,914,347 |
| Total loss/gain on sale of assets | 2015-12-31 | $2,739,715 |
| Total of all expenses incurred | 2015-12-31 | $19,810 |
| 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 | $1,101,352,898 |
| Value of total assets at beginning of year | 2015-12-31 | $1,430,441,020 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $19,810 |
| Total interest from all sources | 2015-12-31 | $7,558,193 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $19,810 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $25,724,432 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $24,785,778 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $27,048,776 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $21,196,284 |
| Value of net income/loss | 2015-12-31 | $7,894,537 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $1,074,304,122 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $1,409,244,736 |
| Income. Interest from US Government securities | 2015-12-31 | $7,540,652 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $17,541 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $653,560,644 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $858,085,346 |
| Asset value of US Government securities at end of year | 2015-12-31 | $421,390,133 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $546,890,496 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $3,325,027 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-12-31 | $677,689 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $679,400 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $363,729,279 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $360,989,564 |
| 2014 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $10,594,099 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $10,594,099 |
| Total transfer of assets to this plan | 2014-12-31 | $967,122,870 |
| Total transfer of assets from this plan | 2014-12-31 | $149,040,214 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $21,196,284 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $8,918,292 |
| Total income from all sources (including contributions) | 2014-12-31 | $52,207,030 |
| Total loss/gain on sale of assets | 2014-12-31 | $371,124 |
| Total of all expenses incurred | 2014-12-31 | $19,975 |
| 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 | $1,430,441,020 |
| Value of total assets at beginning of year | 2014-12-31 | $547,893,317 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $19,975 |
| Total interest from all sources | 2014-12-31 | $5,949,385 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $19,975 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $24,785,778 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $9,784,984 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $21,196,284 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $8,918,292 |
| Value of net income/loss | 2014-12-31 | $52,187,055 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $1,409,244,736 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $538,975,025 |
| Income. Interest from US Government securities | 2014-12-31 | $5,931,850 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $17,535 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $858,085,346 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $325,214,880 |
| Asset value of US Government securities at end of year | 2014-12-31 | $546,890,496 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $212,253,701 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $35,292,422 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-12-31 | $679,400 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $639,752 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $330,443,528 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $330,072,404 |
| 2013 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-9,083,904 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-9,083,904 |
| Total transfer of assets to this plan | 2013-12-31 | $95,404,661 |
| Total transfer of assets from this plan | 2013-12-31 | $95,066,308 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $8,918,292 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $66,888 |
| Total income from all sources (including contributions) | 2013-12-31 | $-11,866,292 |
| Total loss/gain on sale of assets | 2013-12-31 | $95,550 |
| Total of all expenses incurred | 2013-12-31 | $18,265 |
| 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 | $547,893,317 |
| Value of total assets at beginning of year | 2013-12-31 | $550,588,117 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $18,265 |
| Total interest from all sources | 2013-12-31 | $3,180,039 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $18,260 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $9,784,984 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $3,529,533 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $8,918,292 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $66,888 |
| Administrative expenses (other) incurred | 2013-12-31 | $5 |
| Value of net income/loss | 2013-12-31 | $-11,884,557 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $538,975,025 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $550,521,229 |
| Income. Interest from US Government securities | 2013-12-31 | $3,163,163 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $16,876 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $325,214,880 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $322,626,528 |
| Asset value of US Government securities at end of year | 2013-12-31 | $212,253,701 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $224,432,056 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $-6,057,977 |
| Asset. Corporate debt instrument debt (other) at end of year | 2013-12-31 | $639,752 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $116,113,198 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $116,017,648 |
| 2012 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $-2,186,110 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $-2,186,110 |
| Total transfer of assets to this plan | 2012-12-31 | $132,322,518 |
| Total transfer of assets from this plan | 2012-12-31 | $103,917,012 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $66,888 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $20,137,752 |
| Total income from all sources (including contributions) | 2012-12-31 | $23,687,323 |
| Total loss/gain on sale of assets | 2012-12-31 | $3,448,915 |
| Total of all expenses incurred | 2012-12-31 | $20,506 |
| 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 | $550,588,117 |
| Value of total assets at beginning of year | 2012-12-31 | $518,586,658 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $20,506 |
| Total interest from all sources | 2012-12-31 | $3,575,928 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $20,506 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $3,529,533 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $24,480,566 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $66,888 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $20,137,752 |
| Value of net income/loss | 2012-12-31 | $23,666,817 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $550,521,229 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $498,448,906 |
| Income. Interest from US Government securities | 2012-12-31 | $3,571,769 |
| Income. Interest from corporate debt instruments | 2012-12-31 | $4,159 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $322,626,528 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $293,308,813 |
| Asset value of US Government securities at end of year | 2012-12-31 | $224,432,056 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $200,797,279 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $18,848,590 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $117,145,089 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $113,696,174 |
| 2011 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $7,272,617 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $7,272,617 |
| Total transfer of assets to this plan | 2011-12-31 | $552,422,189 |
| Total transfer of assets from this plan | 2011-12-31 | $682,382,147 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $20,137,752 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $12,220,139 |
| Total income from all sources (including contributions) | 2011-12-31 | $53,945,374 |
| Total loss/gain on sale of assets | 2011-12-31 | $11,264,348 |
| Total of all expenses incurred | 2011-12-31 | $17,731 |
| 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 | $518,586,658 |
| Value of total assets at beginning of year | 2011-12-31 | $586,701,360 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $17,731 |
| Total interest from all sources | 2011-12-31 | $5,792,891 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $17,731 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $24,480,566 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $15,411,190 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $20,137,752 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $12,220,139 |
| Value of net income/loss | 2011-12-31 | $53,927,643 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $498,448,906 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $574,481,221 |
| Income. Interest from US Government securities | 2011-12-31 | $5,762,506 |
| Income. Interest from corporate debt instruments | 2011-12-31 | $30,385 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $293,308,813 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $339,389,160 |
| Asset value of US Government securities at end of year | 2011-12-31 | $200,797,279 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $226,675,962 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $29,615,518 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2011-12-31 | $5,225,048 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $327,078,123 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $315,813,775 |
| 2010 : NT COMMON AGGREGATE BOND INDEX FUND - NON-LENDING 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $3,891,475 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $3,891,475 |
| Total transfer of assets to this plan | 2010-12-31 | $316,432,258 |
| Total transfer of assets from this plan | 2010-12-31 | $90,135,843 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $12,220,139 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $85,198,554 |
| Total income from all sources (including contributions) | 2010-12-31 | $28,035,185 |
| Total loss/gain on sale of assets | 2010-12-31 | $657,264 |
| Total of all expenses incurred | 2010-12-31 | $18,351 |
| 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 | $586,701,360 |
| Value of total assets at beginning of year | 2010-12-31 | $405,366,526 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $18,351 |
| Total interest from all sources | 2010-12-31 | $4,070,696 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $18,351 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $15,411,190 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $86,837,668 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $12,220,139 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $85,198,554 |
| Value of net income/loss | 2010-12-31 | $28,016,834 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $574,481,221 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $320,167,972 |
| Income. Interest from US Government securities | 2010-12-31 | $4,004,910 |
| Income. Interest from corporate debt instruments | 2010-12-31 | $65,786 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $339,389,160 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $202,516,551 |
| Asset value of US Government securities at end of year | 2010-12-31 | $226,675,962 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $111,883,665 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $19,415,750 |
| Asset. Corporate debt instrument debt (other) at end of year | 2010-12-31 | $5,225,048 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2010-12-31 | $4,128,642 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $57,707,270 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $57,050,006 |
