BLACKROCK INSTITUTIONAL TRUST COMPANY, N. A. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan BLACKROCK MSCI US IMI INDEX FUND B2
| Measure | Date | Value |
|---|
| 2023 : BLACKROCK MSCI US IMI INDEX FUND B2 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $2,753,804,933 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $2,753,804,933 |
| Total transfer of assets to this plan | 2023-12-31 | $307,314,959 |
| Total transfer of assets from this plan | 2023-12-31 | $1,780,203,650 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $1,714,155,189 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $1,347,267,561 |
| Total income from all sources (including contributions) | 2023-12-31 | $4,222,886,222 |
| Total loss/gain on sale of assets | 2023-12-31 | $1,149,929,991 |
| Total of all expenses incurred | 2023-12-31 | $440,616 |
| Value of total assets at end of year | 2023-12-31 | $21,457,091,816 |
| Value of total assets at beginning of year | 2023-12-31 | $18,340,647,273 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $440,616 |
| Total interest from all sources | 2023-12-31 | $7,690,814 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $300,951,497 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-12-31 | $623,118 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-12-31 | $4,316 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $26,332,753 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $19,738,919 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $1,714,155,189 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $1,347,267,561 |
| Other income not declared elsewhere | 2023-12-31 | $2,938 |
| Administrative expenses (other) incurred | 2023-12-31 | $-58,288 |
| Total non interest bearing cash at end of year | 2023-12-31 | $5,910,000 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $4,750,875 |
| Value of net income/loss | 2023-12-31 | $4,222,445,606 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $19,742,936,627 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $16,993,379,712 |
| Investment advisory and management fees | 2023-12-31 | $484,019 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $88,485,085 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $26,636,297 |
| Interest earned on other investments | 2023-12-31 | $3,889,383 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $1,794,266,944 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $1,397,141,048 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $1,397,141,048 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $3,801,431 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-12-31 | $10,506,049 |
| Income. Dividends from common stock | 2023-12-31 | $300,328,379 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $19,542,097,034 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $16,892,375,818 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $2,458,409,205 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $1,308,479,214 |
| 2022 : BLACKROCK MSCI US IMI INDEX FUND B2 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-4,517,190,822 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-4,517,190,822 |
| Total transfer of assets to this plan | 2022-12-31 | $1,339,173,932 |
| Total transfer of assets from this plan | 2022-12-31 | $493,152,520 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $1,347,267,561 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $922,823,145 |
| Total income from all sources (including contributions) | 2022-12-31 | $-3,838,296,647 |
| Total loss/gain on sale of assets | 2022-12-31 | $402,770,246 |
| Total of all expenses incurred | 2022-12-31 | $449,666 |
| Value of total assets at end of year | 2022-12-31 | $18,340,647,273 |
| Value of total assets at beginning of year | 2022-12-31 | $20,908,927,758 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $449,666 |
| Total interest from all sources | 2022-12-31 | $3,903,039 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $279,079,121 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $416,135 |
| Administrative expenses professional fees incurred | 2022-12-31 | $14,314 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-12-31 | $4,316 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $19,738,919 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $12,793,336 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $1,347,267,561 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $922,823,145 |
| Administrative expenses (other) incurred | 2022-12-31 | $-45,834 |
| Total non interest bearing cash at end of year | 2022-12-31 | $4,750,875 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $5,242,892 |
| Value of net income/loss | 2022-12-31 | $-3,838,746,313 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $16,993,379,712 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $19,986,104,613 |
| Investment advisory and management fees | 2022-12-31 | $481,186 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $26,636,297 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $33,494,528 |
| Interest earned on other investments | 2022-12-31 | $2,527,337 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $1,397,141,048 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $1,015,135,048 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $1,015,135,048 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $1,375,702 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $-6,858,231 |
| Income. Dividends from common stock | 2022-12-31 | $278,662,986 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $16,892,375,818 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $19,842,261,954 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $1,626,111,075 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $1,223,340,829 |
| 2021 : BLACKROCK MSCI US IMI INDEX FUND B2 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $676,778,219 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $676,778,219 |
| Total transfer of assets to this plan | 2021-12-31 | $110,221,214 |
| Total transfer of assets from this plan | 2021-12-31 | $5,111,064,864 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $922,823,145 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $1,001,825,303 |
| Expenses. Interest paid | 2021-12-31 | $1,001 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2021-12-31 | $1,001 |
| Total income from all sources (including contributions) | 2021-12-31 | $4,753,285,026 |
| Total loss/gain on sale of assets | 2021-12-31 | $3,789,297,106 |
| Total of all expenses incurred | 2021-12-31 | $509,640 |
| Value of total assets at end of year | 2021-12-31 | $20,908,927,758 |
| Value of total assets at beginning of year | 2021-12-31 | $21,235,998,180 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $508,639 |
| Total interest from all sources | 2021-12-31 | $1,514,857 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $279,183,024 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2021-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $347,589 |
| Administrative expenses professional fees incurred | 2021-12-31 | $10,925 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $12,793,336 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $15,776,823 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $922,823,145 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $1,001,825,303 |
| Administrative expenses (other) incurred | 2021-12-31 | $-49,824 |
| Total non interest bearing cash at end of year | 2021-12-31 | $5,242,892 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $4,242,000 |
| Value of net income/loss | 2021-12-31 | $4,752,775,386 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $19,986,104,613 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $20,234,172,877 |
| Investment advisory and management fees | 2021-12-31 | $547,538 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $33,494,528 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $26,982,708 |
| Interest earned on other investments | 2021-12-31 | $1,348,533 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $1,015,135,048 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $1,060,529,883 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $1,060,529,883 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $166,324 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $6,511,820 |
| Income. Dividends from common stock | 2021-12-31 | $278,835,435 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $19,842,261,954 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $20,128,466,766 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $6,194,516,683 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $2,405,219,577 |
| 2020 : BLACKROCK MSCI US IMI INDEX FUND B2 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $2,645,748,244 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $2,645,748,244 |
| Total transfer of assets to this plan | 2020-12-31 | $3,210,076,171 |
| Total transfer of assets from this plan | 2020-12-31 | $832,515,805 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $1,001,825,303 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $1,436,476,137 |
| Expenses. Interest paid | 2020-12-31 | $4,038 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2020-12-31 | $4,038 |
| Total income from all sources (including contributions) | 2020-12-31 | $3,575,404,391 |
| Total loss/gain on sale of assets | 2020-12-31 | $640,847,380 |
| Total of all expenses incurred | 2020-12-31 | $410,527 |
| Value of total assets at end of year | 2020-12-31 | $21,235,998,180 |
| Value of total assets at beginning of year | 2020-12-31 | $15,718,094,784 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $406,489 |
| Total interest from all sources | 2020-12-31 | $3,635,424 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $280,941,567 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2020-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2020-12-31 | $351,957 |
| Administrative expenses professional fees incurred | 2020-12-31 | $10,878 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $15,776,823 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $17,575,820 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $1,001,825,303 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $1,436,476,137 |
| Administrative expenses (other) incurred | 2020-12-31 | $-25,986 |
| Total non interest bearing cash at end of year | 2020-12-31 | $4,242,000 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $5,661,114 |
| Value of net income/loss | 2020-12-31 | $3,574,993,864 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $20,234,172,877 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $14,281,618,647 |
| Investment advisory and management fees | 2020-12-31 | $421,597 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $26,982,708 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $22,750,932 |
| Interest earned on other investments | 2020-12-31 | $3,137,521 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $1,060,529,883 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $1,488,463,800 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $1,488,463,800 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $497,903 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $4,231,776 |
| Income. Dividends from common stock | 2020-12-31 | $280,589,610 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $20,128,466,766 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $14,183,643,118 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $2,334,478,800 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $1,693,631,420 |
| 2019 : BLACKROCK MSCI US IMI INDEX FUND B2 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $2,817,175,366 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $2,817,175,366 |
| Total transfer of assets to this plan | 2019-12-31 | $306,380,341 |
| Total transfer of assets from this plan | 2019-12-31 | $477,841,591 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,436,476,137 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $881,638,676 |
| Expenses. Interest paid | 2019-12-31 | $459 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2019-12-31 | $459 |
| Total income from all sources (including contributions) | 2019-12-31 | $3,425,178,354 |
| Total loss/gain on sale of assets | 2019-12-31 | $353,502,623 |
| Total of all expenses incurred | 2019-12-31 | $347,468 |
| Value of total assets at end of year | 2019-12-31 | $15,718,094,784 |
| Value of total assets at beginning of year | 2019-12-31 | $11,909,887,687 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $347,009 |
| Total interest from all sources | 2019-12-31 | $4,842,231 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $247,689,621 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2019-12-31 | $177,786 |
| Administrative expenses professional fees incurred | 2019-12-31 | $14,001 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $17,575,820 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $19,454,271 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $1,436,476,137 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $881,638,676 |
| Administrative expenses (other) incurred | 2019-12-31 | $-15,704 |
| Total non interest bearing cash at end of year | 2019-12-31 | $5,661,114 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $4,574 |
| Value of net income/loss | 2019-12-31 | $3,424,830,886 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $14,281,618,647 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $11,028,249,011 |
| Investment advisory and management fees | 2019-12-31 | $348,712 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $22,750,932 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $0 |
| Interest earned on other investments | 2019-12-31 | $2,649,249 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $1,488,463,800 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $936,272,391 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $936,272,391 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $2,192,982 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $1,968,513 |
| Income. Dividends from common stock | 2019-12-31 | $247,511,835 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $14,183,643,118 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $10,954,156,451 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $724,923,509 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $371,420,886 |
| 2018 : BLACKROCK MSCI US IMI INDEX FUND B2 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-1,244,551,995 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-1,244,551,995 |
| Total transfer of assets to this plan | 2018-12-31 | $1,203,425,425 |
| Total transfer of assets from this plan | 2018-12-31 | $1,984,061,372 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $881,638,676 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $1,042,419,846 |
| Expenses. Interest paid | 2018-12-31 | $4,346 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2018-12-31 | $4,346 |
| Total income from all sources (including contributions) | 2018-12-31 | $-576,721,559 |
| Total loss/gain on sale of assets | 2018-12-31 | $424,261,564 |
| Total of all expenses incurred | 2018-12-31 | $467,126 |
| Value of total assets at end of year | 2018-12-31 | $11,909,887,687 |
| Value of total assets at beginning of year | 2018-12-31 | $13,428,493,489 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $462,780 |
| Total interest from all sources | 2018-12-31 | $7,562,626 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $236,006,298 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2018-12-31 | No |
| Administrative expenses professional fees incurred | 2018-12-31 | $14,218 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $19,454,271 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $33,749,398 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $881,638,676 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $1,042,419,846 |
| Other income not declared elsewhere | 2018-12-31 | $-52 |
| Administrative expenses (other) incurred | 2018-12-31 | $24,472 |
| Total non interest bearing cash at end of year | 2018-12-31 | $4,574 |
| Value of net income/loss | 2018-12-31 | $-577,188,685 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $11,028,249,011 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $12,386,073,643 |
| Investment advisory and management fees | 2018-12-31 | $424,090 |
| Interest earned on other investments | 2018-12-31 | $2,503,610 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $936,272,391 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $1,257,346,500 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $1,257,346,500 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $5,059,016 |
| Income. Dividends from common stock | 2018-12-31 | $236,006,298 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $10,954,156,451 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $12,137,397,591 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $907,720,176 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $483,458,612 |
| 2017 : BLACKROCK MSCI US IMI INDEX FUND B2 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $1,136,310,243 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $1,136,310,243 |
| Total transfer of assets to this plan | 2017-12-31 | $1,190,798 |
| Total transfer of assets from this plan | 2017-12-31 | $1,802,500,892 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,042,419,846 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,017,829,985 |
| Total income from all sources (including contributions) | 2017-12-31 | $2,410,766,113 |
| Total loss/gain on sale of assets | 2017-12-31 | $1,029,559,801 |
| Total of all expenses incurred | 2017-12-31 | $626,457 |
| 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 | $13,428,493,489 |
| Value of total assets at beginning of year | 2017-12-31 | $12,795,074,066 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $626,457 |
| Total interest from all sources | 2017-12-31 | $6,281,333 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $238,614,736 |
| Administrative expenses professional fees incurred | 2017-12-31 | $14,145 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $33,749,398 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $28,728,495 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $1,042,419,846 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $1,017,829,985 |
| Value of net income/loss | 2017-12-31 | $2,410,139,656 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $12,386,073,643 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $11,777,244,081 |
| Investment advisory and management fees | 2017-12-31 | $612,312 |
| Interest earned on other investments | 2017-12-31 | $2,763,539 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $1,257,346,500 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $1,287,177,176 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $1,287,177,176 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $3,517,794 |
| Income. Dividends from common stock | 2017-12-31 | $238,614,736 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $12,137,397,591 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $11,479,168,395 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $2,217,651,111 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $1,188,091,310 |
| 2016 : BLACKROCK MSCI US IMI INDEX FUND B2 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $891,822,762 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $891,822,762 |
| Total transfer of assets to this plan | 2016-12-31 | $53,488,350 |
| Total transfer of assets from this plan | 2016-12-31 | $45,000,550 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,017,829,985 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,250,242,187 |
| Total income from all sources (including contributions) | 2016-12-31 | $1,331,710,772 |
| Total loss/gain on sale of assets | 2016-12-31 | $206,101,065 |
| Total of all expenses incurred | 2016-12-31 | $568,822 |
| 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 | $12,795,074,066 |
| Value of total assets at beginning of year | 2016-12-31 | $11,687,856,518 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $568,822 |
| Total interest from all sources | 2016-12-31 | $5,242,030 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $228,544,915 |
| Administrative expenses professional fees incurred | 2016-12-31 | $14,380 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $28,728,495 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $28,562,049 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $1,017,829,985 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $1,250,242,187 |
| Value of net income/loss | 2016-12-31 | $1,331,141,950 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $11,777,244,081 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $10,437,614,331 |
| Investment advisory and management fees | 2016-12-31 | $554,442 |
| Interest earned on other investments | 2016-12-31 | $3,582,355 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $1,287,177,176 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $1,525,472,648 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $1,525,472,648 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $1,659,675 |
| Income. Dividends from common stock | 2016-12-31 | $228,544,915 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $11,479,168,395 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $10,133,821,821 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $362,489,167 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $156,388,102 |
| 2015 : BLACKROCK MSCI US IMI INDEX FUND B2 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-373,054,548 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-373,054,548 |
| Total transfer of assets to this plan | 2015-12-31 | $1,253,783 |
| Total transfer of assets from this plan | 2015-12-31 | $331,248,934 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,250,242,187 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,085,559,516 |
| Total income from all sources (including contributions) | 2015-12-31 | $83,729,035 |
| Total loss/gain on sale of assets | 2015-12-31 | $244,331,907 |
| Total of all expenses incurred | 2015-12-31 | $550,142 |
| 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 | $11,687,856,518 |
| Value of total assets at beginning of year | 2015-12-31 | $11,769,990,105 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $550,142 |
| Total interest from all sources | 2015-12-31 | $3,478,054 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $208,973,622 |
| Administrative expenses professional fees incurred | 2015-12-31 | $14,380 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $28,562,049 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $24,334,552 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $1,250,242,187 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $1,085,559,516 |
| Value of net income/loss | 2015-12-31 | $83,178,893 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $10,437,614,331 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $10,684,430,589 |
| Investment advisory and management fees | 2015-12-31 | $535,762 |
| Interest earned on other investments | 2015-12-31 | $2,917,780 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $1,525,472,648 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $1,291,288,792 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $1,291,288,792 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $560,274 |
| Income. Dividends from common stock | 2015-12-31 | $208,973,622 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $10,133,821,821 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $10,454,366,761 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $492,255,119 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $247,923,212 |
| 2014 : BLACKROCK MSCI US IMI INDEX FUND B2 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $284,178,996 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $284,178,996 |
| Total transfer of assets to this plan | 2014-12-31 | $1,015,579 |
| Total transfer of assets from this plan | 2014-12-31 | $2,028,005,357 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,085,559,516 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $861,840,582 |
| Total income from all sources (including contributions) | 2014-12-31 | $1,262,162,099 |
| Total loss/gain on sale of assets | 2014-12-31 | $772,226,951 |
| Total of all expenses incurred | 2014-12-31 | $559,499 |
| 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 | $11,769,990,105 |
| Value of total assets at beginning of year | 2014-12-31 | $12,311,658,349 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $559,499 |
| Total interest from all sources | 2014-12-31 | $2,880,499 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $202,875,653 |
| Administrative expenses professional fees incurred | 2014-12-31 | $14,200 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $24,334,552 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $25,961,852 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $1,085,559,516 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $861,840,582 |
| Value of net income/loss | 2014-12-31 | $1,261,602,600 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $10,684,430,589 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $11,449,817,767 |
| Investment advisory and management fees | 2014-12-31 | $545,299 |
| Interest earned on other investments | 2014-12-31 | $2,495,531 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $1,291,288,792 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $1,068,730,411 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $1,068,730,411 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $384,968 |
| Income. Dividends from common stock | 2014-12-31 | $202,875,653 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $10,454,366,761 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $11,216,966,086 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $2,385,312,200 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $1,613,085,249 |
| 2013 : BLACKROCK MSCI US IMI INDEX FUND B2 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $2,498,629,562 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $2,498,629,562 |
| Total transfer of assets to this plan | 2013-12-31 | $26,067,408 |
| Total transfer of assets from this plan | 2013-12-31 | $1,242,208,087 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $861,840,582 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $699,162,047 |
| Total income from all sources (including contributions) | 2013-12-31 | $3,082,929,344 |
| Total loss/gain on sale of assets | 2013-12-31 | $367,231,093 |
| Total of all expenses incurred | 2013-12-31 | $567,783 |
| 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 | $12,311,658,349 |
| Value of total assets at beginning of year | 2013-12-31 | $10,282,758,932 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $567,783 |
| Total interest from all sources | 2013-12-31 | $3,012,001 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $214,056,688 |
| Administrative expenses professional fees incurred | 2013-12-31 | $14,900 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $25,961,852 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $14,688,310 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $861,840,582 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $699,162,047 |
| Value of net income/loss | 2013-12-31 | $3,082,361,561 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $11,449,817,767 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $9,583,596,885 |
| Investment advisory and management fees | 2013-12-31 | $552,883 |
| Interest earned on other investments | 2013-12-31 | $2,647,282 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $1,068,730,411 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $824,007,085 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $824,007,085 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $364,719 |
| Income. Dividends from common stock | 2013-12-31 | $214,056,688 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $11,216,966,086 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $9,444,063,537 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $1,365,534,907 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $998,303,814 |
| 2012 : BLACKROCK MSCI US IMI INDEX FUND B2 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $748,123,981 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $748,123,981 |
| Total transfer of assets to this plan | 2012-12-31 | $8,976,947,290 |
| Total transfer of assets from this plan | 2012-12-31 | $306,824,989 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $699,162,047 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Total income from all sources (including contributions) | 2012-12-31 | $913,795,401 |
| Total loss/gain on sale of assets | 2012-12-31 | $34,973,316 |
| Total of all expenses incurred | 2012-12-31 | $320,817 |
| 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 | $10,282,758,932 |
| Value of total assets at beginning of year | 2012-12-31 | $0 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $320,817 |
| Total interest from all sources | 2012-12-31 | $2,077,585 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $128,620,519 |
| Administrative expenses professional fees incurred | 2012-12-31 | $9,188 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $14,688,310 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $699,162,047 |
| Value of net income/loss | 2012-12-31 | $913,474,584 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $9,583,596,885 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $0 |
| Investment advisory and management fees | 2012-12-31 | $311,629 |
| Interest earned on other investments | 2012-12-31 | $1,828,132 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $824,007,085 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $249,453 |
| Income. Dividends from common stock | 2012-12-31 | $128,620,519 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2012-12-31 | $9,444,063,537 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $298,437,767 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $263,464,451 |
