NORTHERN TRUST INVESTMENTS, INC. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan NT COMMON S&P 500 INDEX FUND - NON-LENDING
| Measure | Date | Value |
|---|
| 2023 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $940,797,532 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $940,797,532 |
| Total transfer of assets to this plan | 2023-12-31 | $469,999,375 |
| Total transfer of assets from this plan | 2023-12-31 | $1,772,194,250 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $1,051,641 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $18,578,354 |
| Total income from all sources (including contributions) | 2023-12-31 | $1,376,628,268 |
| Total loss/gain on sale of assets | 2023-12-31 | $339,820,113 |
| Total of all expenses incurred | 2023-12-31 | $458,956 |
| 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 | $6,196,025,714 |
| Value of total assets at beginning of year | 2023-12-31 | $6,139,577,990 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $458,956 |
| Total interest from all sources | 2023-12-31 | $156,242 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $94,228,642 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $5,841,453 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $22,412,214 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $1,051,641 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $18,578,354 |
| Administrative expenses (other) incurred | 2023-12-31 | $2,566 |
| Value of net income/loss | 2023-12-31 | $1,376,169,312 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $6,194,974,073 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $6,120,999,636 |
| Income. Interest from US Government securities | 2023-12-31 | $156,242 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $12,886,483 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $30,131,642 |
| Asset value of US Government securities at end of year | 2023-12-31 | $956,027 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $9,567,994 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $1,625,739 |
| Income. Dividends from common stock | 2023-12-31 | $94,228,642 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $6,176,341,751 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $6,077,466,140 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $1,483,586,886 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $1,143,766,773 |
| 2022 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-1,411,246,377 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-1,411,246,377 |
| Total transfer of assets to this plan | 2022-12-31 | $1,342,190,014 |
| Total transfer of assets from this plan | 2022-12-31 | $1,380,866,187 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $18,578,354 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $1,582,868 |
| Total income from all sources (including contributions) | 2022-12-31 | $-1,283,946,623 |
| Total loss/gain on sale of assets | 2022-12-31 | $23,726,051 |
| Total of all expenses incurred | 2022-12-31 | $504,373 |
| 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 | $6,139,577,990 |
| Value of total assets at beginning of year | 2022-12-31 | $7,445,709,673 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $504,373 |
| Total interest from all sources | 2022-12-31 | $130,503 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $102,370,865 |
| 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 | $22,412,214 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $4,469,482 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $18,578,354 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $1,582,868 |
| Administrative expenses (other) incurred | 2022-12-31 | $482,303 |
| Value of net income/loss | 2022-12-31 | $-1,284,450,996 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $6,120,999,636 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $7,444,126,805 |
| Income. Interest from US Government securities | 2022-12-31 | $130,503 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $30,131,642 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $27,320,506 |
| Asset value of US Government securities at end of year | 2022-12-31 | $9,567,994 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $9,724,822 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $1,072,335 |
| Income. Dividends from common stock | 2022-12-31 | $102,370,865 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $6,077,466,140 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $7,404,194,863 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $1,093,027,956 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $1,069,301,905 |
| 2021 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $1,033,714,287 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $1,033,714,287 |
| Total transfer of assets to this plan | 2021-12-31 | $844,235,085 |
| Total transfer of assets from this plan | 2021-12-31 | $1,868,930,973 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $1,582,868 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $1,760,699 |
| Total income from all sources (including contributions) | 2021-12-31 | $1,738,915,746 |
| Total loss/gain on sale of assets | 2021-12-31 | $608,426,405 |
| Total of all expenses incurred | 2021-12-31 | $548,722 |
| 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 | $7,445,709,673 |
| Value of total assets at beginning of year | 2021-12-31 | $6,732,216,368 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $548,722 |
| Total interest from all sources | 2021-12-31 | $5,248 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $96,713,906 |
| 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 | $4,469,482 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $4,530,576 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $1,582,868 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $1,760,699 |
| Administrative expenses (other) incurred | 2021-12-31 | $527,086 |
| Value of net income/loss | 2021-12-31 | $1,738,367,024 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $7,444,126,805 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $6,730,455,669 |
| Income. Interest from US Government securities | 2021-12-31 | $5,248 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $27,320,506 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $89,564,210 |
| Asset value of US Government securities at end of year | 2021-12-31 | $9,724,822 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $9,724,627 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $55,900 |
| Income. Dividends from common stock | 2021-12-31 | $96,713,906 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $7,404,194,863 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $6,628,396,955 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $1,531,585,352 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $923,158,947 |
| 2020 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $319,814,332 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $319,814,332 |
| Total transfer of assets to this plan | 2020-12-31 | $2,026,865,222 |
| Total transfer of assets from this plan | 2020-12-31 | $2,172,298,644 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $1,760,699 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $840,041 |
| Total income from all sources (including contributions) | 2020-12-31 | $984,650,638 |
| Total loss/gain on sale of assets | 2020-12-31 | $571,699,744 |
| Total of all expenses incurred | 2020-12-31 | $412,580 |
| 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 | $6,732,216,368 |
| Value of total assets at beginning of year | 2020-12-31 | $5,892,491,074 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $412,580 |
| Total interest from all sources | 2020-12-31 | $56,662 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $92,723,952 |
| 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 | $4,530,576 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $7,520,808 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $1,760,699 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $840,041 |
| Administrative expenses (other) incurred | 2020-12-31 | $391,297 |
| Value of net income/loss | 2020-12-31 | $984,238,058 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $6,730,455,669 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $5,891,651,033 |
| Income. Interest from US Government securities | 2020-12-31 | $56,662 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $89,564,210 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $36,191,561 |
| Asset value of US Government securities at end of year | 2020-12-31 | $9,724,627 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $6,163,314 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $355,948 |
| Income. Dividends from common stock | 2020-12-31 | $92,723,952 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $6,628,396,955 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $5,842,615,391 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $1,757,536,169 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $1,185,836,425 |
| 2019 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $1,257,030,962 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $1,257,030,962 |
| Total transfer of assets to this plan | 2019-12-31 | $1,009,403,701 |
| Total transfer of assets from this plan | 2019-12-31 | $1,272,837,725 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $840,041 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $3,301,542 |
| Total income from all sources (including contributions) | 2019-12-31 | $1,445,447,129 |
| Total loss/gain on sale of assets | 2019-12-31 | $80,922,361 |
| Total of all expenses incurred | 2019-12-31 | $426,124 |
| 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 | $5,892,491,074 |
| Value of total assets at beginning of year | 2019-12-31 | $4,713,365,594 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $426,124 |
| Total interest from all sources | 2019-12-31 | $137,872 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $106,078,244 |
| Administrative expenses professional fees incurred | 2019-12-31 | $20,831 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $7,520,808 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $7,315,920 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $840,041 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $3,301,542 |
| Administrative expenses (other) incurred | 2019-12-31 | $405,293 |
| Value of net income/loss | 2019-12-31 | $1,445,021,005 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $5,891,651,033 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $4,710,064,052 |
| Income. Interest from US Government securities | 2019-12-31 | $137,872 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $36,191,561 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $42,344,242 |
| Asset value of US Government securities at end of year | 2019-12-31 | $6,163,314 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $6,161,911 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $1,277,690 |
| Income. Dividends from common stock | 2019-12-31 | $106,078,244 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $5,842,615,391 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $4,657,543,521 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $886,094,556 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $805,172,195 |
| 2018 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-427,753,642 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-427,753,642 |
| Total transfer of assets to this plan | 2018-12-31 | $791,903,987 |
| Total transfer of assets from this plan | 2018-12-31 | $1,055,582,547 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $3,301,542 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $2,721,871 |
| Total income from all sources (including contributions) | 2018-12-31 | $-199,587,055 |
| Total loss/gain on sale of assets | 2018-12-31 | $127,701,570 |
| Total of all expenses incurred | 2018-12-31 | $411,951 |
| 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 | $4,713,365,594 |
| Value of total assets at beginning of year | 2018-12-31 | $5,176,463,489 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $411,951 |
| Total interest from all sources | 2018-12-31 | $109,629 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $99,036,467 |
| 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 | $7,315,920 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $12,470,281 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $3,301,542 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $2,721,871 |
| Administrative expenses (other) incurred | 2018-12-31 | $391,491 |
| Value of net income/loss | 2018-12-31 | $-199,999,006 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $4,710,064,052 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $5,173,741,618 |
| Income. Interest from US Government securities | 2018-12-31 | $109,629 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $42,344,242 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $59,417,452 |
| Asset value of US Government securities at end of year | 2018-12-31 | $6,161,911 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $6,088,570 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $1,318,921 |
| Income. Dividends from common stock | 2018-12-31 | $99,036,467 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $4,657,543,521 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $5,098,487,186 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $639,140,122 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $511,438,552 |
| 2017 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $701,304,935 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $701,304,935 |
| Total transfer of assets to this plan | 2017-12-31 | $1,398,806,640 |
| Total transfer of assets from this plan | 2017-12-31 | $632,744,107 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $2,721,871 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $171,112 |
| Total income from all sources (including contributions) | 2017-12-31 | $831,635,172 |
| Total loss/gain on sale of assets | 2017-12-31 | $46,269,273 |
| Total of all expenses incurred | 2017-12-31 | $339,503 |
| 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 | $5,176,463,489 |
| Value of total assets at beginning of year | 2017-12-31 | $3,576,554,528 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $339,503 |
| Total interest from all sources | 2017-12-31 | $50,153 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $83,343,595 |
| Administrative expenses professional fees incurred | 2017-12-31 | $21,083 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $12,470,281 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $11,568,044 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $2,721,871 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $171,112 |
| Administrative expenses (other) incurred | 2017-12-31 | $318,420 |
| Value of net income/loss | 2017-12-31 | $831,295,669 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $5,173,741,618 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $3,576,383,416 |
| Income. Interest from US Government securities | 2017-12-31 | $50,153 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $59,417,452 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $10,311,098 |
| Asset value of US Government securities at end of year | 2017-12-31 | $6,088,570 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $6,090,246 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $667,216 |
| Income. Dividends from common stock | 2017-12-31 | $83,343,595 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $5,098,487,186 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $3,548,585,140 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $199,178,253 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $152,908,980 |
| 2016 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $295,315,479 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $295,315,479 |
| Total transfer of assets to this plan | 2016-12-31 | $662,984,580 |
| Total transfer of assets from this plan | 2016-12-31 | $950,153,957 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $171,112 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $53,048,997 |
| Total income from all sources (including contributions) | 2016-12-31 | $399,088,922 |
| Total loss/gain on sale of assets | 2016-12-31 | $29,031,168 |
| Total of all expenses incurred | 2016-12-31 | $280,581 |
| 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 | $3,576,554,528 |
| Value of total assets at beginning of year | 2016-12-31 | $3,517,793,449 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $280,581 |
| Total interest from all sources | 2016-12-31 | $17,830 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $74,378,953 |
| 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 | $11,568,044 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $5,074,978 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $171,112 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $53,048,997 |
| Administrative expenses (other) incurred | 2016-12-31 | $260,771 |
| Value of net income/loss | 2016-12-31 | $398,808,341 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $3,576,383,416 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $3,464,744,452 |
| Income. Interest from US Government securities | 2016-12-31 | $17,830 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $10,311,098 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $102,063,949 |
| Asset value of US Government securities at end of year | 2016-12-31 | $6,090,246 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $6,092,428 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $345,492 |
| Income. Dividends from common stock | 2016-12-31 | $74,378,953 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $3,548,585,140 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $3,404,562,094 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $558,785,516 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $529,754,348 |
| 2015 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-171,349,713 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-171,349,713 |
| Total transfer of assets to this plan | 2015-12-31 | $825,257,961 |
| Total transfer of assets from this plan | 2015-12-31 | $1,047,828,149 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $53,048,997 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,200,118 |
| Total income from all sources (including contributions) | 2015-12-31 | $57,288,112 |
| Total loss/gain on sale of assets | 2015-12-31 | $151,972,671 |
| Total of all expenses incurred | 2015-12-31 | $286,312 |
| 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 | $3,517,793,449 |
| Value of total assets at beginning of year | 2015-12-31 | $3,631,512,958 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $286,312 |
| Total interest from all sources | 2015-12-31 | $2,268 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $76,513,969 |
| 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 | $5,074,978 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $4,569,385 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $53,048,997 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $1,200,118 |
| Administrative expenses (other) incurred | 2015-12-31 | $266,502 |
| Value of net income/loss | 2015-12-31 | $57,001,800 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $3,464,744,452 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $3,630,312,840 |
| Income. Interest from US Government securities | 2015-12-31 | $2,268 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $102,063,949 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $78,734,830 |
| Asset value of US Government securities at end of year | 2015-12-31 | $6,092,428 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $3,944,420 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $148,917 |
| Income. Dividends from common stock | 2015-12-31 | $76,513,969 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $3,404,562,094 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $3,544,264,323 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $661,277,863 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $509,305,192 |
| 2014 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $273,891,719 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $273,891,719 |
| Total transfer of assets to this plan | 2014-12-31 | $557,829,565 |
| Total transfer of assets from this plan | 2014-12-31 | $704,551,657 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,200,118 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $25,712,988 |
| Total income from all sources (including contributions) | 2014-12-31 | $432,562,843 |
| Total loss/gain on sale of assets | 2014-12-31 | $91,044,015 |
| Total of all expenses incurred | 2014-12-31 | $273,184 |
| 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 | $3,631,512,958 |
| Value of total assets at beginning of year | 2014-12-31 | $3,370,458,261 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $273,184 |
| Total interest from all sources | 2014-12-31 | $1,581 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $67,567,558 |
| 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 | $4,569,385 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $4,723,453 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $1,200,118 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $25,712,988 |
| Administrative expenses (other) incurred | 2014-12-31 | $253,209 |
| Value of net income/loss | 2014-12-31 | $432,289,659 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $3,630,312,840 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $3,344,745,273 |
| Income. Interest from US Government securities | 2014-12-31 | $1,581 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $78,734,830 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $46,159,186 |
| Asset value of US Government securities at end of year | 2014-12-31 | $3,944,420 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $3,904,496 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $57,970 |
| Income. Dividends from common stock | 2014-12-31 | $67,567,558 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $3,544,264,323 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $3,315,671,126 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $456,805,991 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $365,761,976 |
| 2013 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $666,315,895 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $666,315,895 |
| Total transfer of assets to this plan | 2013-12-31 | $840,358,151 |
| Total transfer of assets from this plan | 2013-12-31 | $582,456,134 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $25,712,988 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $269,820 |
| Total income from all sources (including contributions) | 2013-12-31 | $758,414,010 |
| Total loss/gain on sale of assets | 2013-12-31 | $35,524,211 |
| Total of all expenses incurred | 2013-12-31 | $222,583 |
| 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 | $3,370,458,261 |
| Value of total assets at beginning of year | 2013-12-31 | $2,328,921,649 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $222,583 |
| Total interest from all sources | 2013-12-31 | $2,699 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $56,505,628 |
| 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 | $4,723,453 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $5,359,230 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $25,712,988 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $269,820 |
| Administrative expenses (other) incurred | 2013-12-31 | $204,323 |
| Value of net income/loss | 2013-12-31 | $758,191,427 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $3,344,745,273 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $2,328,651,829 |
| Income. Interest from US Government securities | 2013-12-31 | $2,699 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $46,159,186 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $33,078,492 |
| Asset value of US Government securities at end of year | 2013-12-31 | $3,904,496 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $2,859,328 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $65,577 |
| Income. Dividends from common stock | 2013-12-31 | $56,505,628 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $3,315,671,126 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $2,287,624,599 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $213,263,740 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $177,739,529 |
| 2012 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $255,671,425 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $255,671,425 |
| Total transfer of assets to this plan | 2012-12-31 | $628,376,903 |
| Total transfer of assets from this plan | 2012-12-31 | $729,873,913 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $269,820 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $12,599,654 |
| Total income from all sources (including contributions) | 2012-12-31 | $336,145,097 |
| Total loss/gain on sale of assets | 2012-12-31 | $28,156,978 |
| Total of all expenses incurred | 2012-12-31 | $192,481 |
| 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 | $2,328,921,649 |
| Value of total assets at beginning of year | 2012-12-31 | $2,106,795,877 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $192,481 |
| Total interest from all sources | 2012-12-31 | $2,576 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $52,264,096 |
| Administrative expenses professional fees incurred | 2012-12-31 | $20,680 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $5,359,230 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $5,961,802 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $269,820 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $12,599,654 |
| Administrative expenses (other) incurred | 2012-12-31 | $171,801 |
| Value of net income/loss | 2012-12-31 | $335,952,616 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $2,328,651,829 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $2,094,196,223 |
| Income. Interest from US Government securities | 2012-12-31 | $2,576 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $33,078,492 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $31,922,649 |
| Asset value of US Government securities at end of year | 2012-12-31 | $2,859,328 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $3,479,708 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $50,022 |
| Income. Dividends from common stock | 2012-12-31 | $52,264,096 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2012-12-31 | $2,287,624,599 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2012-12-31 | $2,065,431,718 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $491,075,476 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $462,918,498 |
| 2011 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-46,688,065 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-46,688,065 |
| Total transfer of assets to this plan | 2011-12-31 | $897,799,464 |
| Total transfer of assets from this plan | 2011-12-31 | $859,609,639 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $12,599,654 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $3,418,558 |
| Total income from all sources (including contributions) | 2011-12-31 | $41,001,644 |
| Total loss/gain on sale of assets | 2011-12-31 | $44,330,405 |
| Total of all expenses incurred | 2011-12-31 | $195,322 |
| 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 | $2,106,795,877 |
| Value of total assets at beginning of year | 2011-12-31 | $2,018,618,634 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $195,322 |
| Total interest from all sources | 2011-12-31 | $2,811 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $43,312,511 |
| 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 | $5,961,802 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $3,032,096 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $12,599,654 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $3,418,558 |
| Administrative expenses (other) incurred | 2011-12-31 | $177,591 |
| Value of net income/loss | 2011-12-31 | $40,806,322 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $2,094,196,223 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $2,015,200,076 |
| Income. Interest from US Government securities | 2011-12-31 | $2,811 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $31,922,649 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $15,106,537 |
| Asset value of US Government securities at end of year | 2011-12-31 | $3,479,708 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $3,477,962 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $43,982 |
| Income. Dividends from common stock | 2011-12-31 | $43,312,511 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2011-12-31 | $2,065,431,718 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2011-12-31 | $1,997,002,039 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $569,397,115 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $525,066,710 |
| 2010 : NT COMMON S&P 500 INDEX FUND - NON-LENDING 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $154,185,341 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $154,185,341 |
| Total transfer of assets to this plan | 2010-12-31 | $1,109,559,612 |
| Total transfer of assets from this plan | 2010-12-31 | $711,283,168 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $3,418,558 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $55,581,465 |
| Total income from all sources (including contributions) | 2010-12-31 | $215,200,930 |
| Total loss/gain on sale of assets | 2010-12-31 | $30,305,578 |
| Total of all expenses incurred | 2010-12-31 | $171,048 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $0 |
| Value of total assets at end of year | 2010-12-31 | $2,018,618,634 |
| Value of total assets at beginning of year | 2010-12-31 | $1,457,475,215 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $171,048 |
| Total interest from all sources | 2010-12-31 | $5,541 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $30,642,107 |
| 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 | $3,032,096 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $53,019,522 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $3,418,558 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $55,581,465 |
| Administrative expenses (other) incurred | 2010-12-31 | $152,697 |
| Total non interest bearing cash at beginning of year | 2010-12-31 | $0 |
| Value of net income/loss | 2010-12-31 | $215,029,882 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $2,015,200,076 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,401,893,750 |
| Income. Interest from US Government securities | 2010-12-31 | $5,541 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $15,106,537 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $15,381,768 |
| Asset value of US Government securities at end of year | 2010-12-31 | $3,477,962 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $2,608,932 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $62,363 |
| Income. Dividends from common stock | 2010-12-31 | $30,642,107 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2010-12-31 | $1,997,002,039 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2010-12-31 | $1,386,464,993 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $568,436,537 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $538,130,959 |
