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 TOTAL RETURN BOND FUND
| Measure | Date | Value |
|---|
| 2023 : BLACKROCK TOTAL RETURN BOND FUND 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $577,367,780 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $577,367,780 |
| Total transfer of assets to this plan | 2023-12-31 | $1,613,306,897 |
| Total transfer of assets from this plan | 2023-12-31 | $703,117,604 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $5,261,856,388 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $3,661,255,895 |
| Expenses. Interest paid | 2023-12-31 | $1,888,299 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2023-12-31 | $1,888,299 |
| Total income from all sources (including contributions) | 2023-12-31 | $548,461,971 |
| Total loss/gain on sale of assets | 2023-12-31 | $-424,629,019 |
| Total of all expenses incurred | 2023-12-31 | $2,448,635 |
| Value of total assets at end of year | 2023-12-31 | $14,651,225,721 |
| Value of total assets at beginning of year | 2023-12-31 | $11,594,422,599 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $560,336 |
| Total interest from all sources | 2023-12-31 | $284,798,362 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $109,737,069 |
| 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 | $109,737,069 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-12-31 | $12,410,058 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-12-31 | $9,887,149 |
| Assets. Other investments not covered elsewhere at end of year | 2023-12-31 | $15,155,459 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-12-31 | $23,340,023 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $1,553,430,623 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $1,479,871,274 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $5,261,856,388 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $3,661,255,895 |
| Other income not declared elsewhere | 2023-12-31 | $1,187,779 |
| Administrative expenses (other) incurred | 2023-12-31 | $-106,349 |
| Total non interest bearing cash at end of year | 2023-12-31 | $67,686,666 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $96,235,792 |
| Value of net income/loss | 2023-12-31 | $546,013,336 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $9,389,369,333 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $7,933,166,704 |
| Investment advisory and management fees | 2023-12-31 | $644,778 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $1,748,700,737 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $1,871,296,690 |
| Interest earned on other investments | 2023-12-31 | $1,139,943 |
| Income. Interest from US Government securities | 2023-12-31 | $264,129,210 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $2,030,000,347 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $1,443,112,328 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $1,443,112,328 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $19,529,209 |
| Asset value of US Government securities at end of year | 2023-12-31 | $6,450,107,887 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $4,282,245,848 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-12-31 | $2,752,013,926 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-12-31 | $2,351,957,555 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $21,720,018 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $36,475,940 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $57,268,690,567 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $57,693,319,586 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $577,367,780 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $577,367,780 |
| Total transfer of assets to this plan | 2023-01-01 | $1,613,306,897 |
| Total transfer of assets from this plan | 2023-01-01 | $703,117,604 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $5,261,856,388 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $3,661,255,895 |
| Total income from all sources (including contributions) | 2023-01-01 | $548,461,971 |
| Total loss/gain on sale of assets | 2023-01-01 | $-424,629,019 |
| Total of all expenses incurred | 2023-01-01 | $2,448,635 |
| Value of total assets at end of year | 2023-01-01 | $14,651,225,721 |
| Value of total assets at beginning of year | 2023-01-01 | $11,594,422,599 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $560,336 |
| Total interest from all sources | 2023-01-01 | $284,798,362 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-01-01 | $109,737,069 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-01-01 | $109,737,069 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-01-01 | $12,410,058 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-01-01 | $9,887,149 |
| Assets. Other investments not covered elsewhere at end of year | 2023-01-01 | $15,155,459 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-01-01 | $23,340,023 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $1,553,430,623 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $1,479,871,274 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $5,261,856,388 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $3,661,255,895 |
| Other income not declared elsewhere | 2023-01-01 | $1,187,779 |
| Administrative expenses (other) incurred | 2023-01-01 | $-106,349 |
| Total non interest bearing cash at end of year | 2023-01-01 | $67,686,666 |
| Total non interest bearing cash at beginning of year | 2023-01-01 | $96,235,792 |
| Value of net income/loss | 2023-01-01 | $546,013,336 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $9,389,369,333 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $7,933,166,704 |
| Investment advisory and management fees | 2023-01-01 | $644,778 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-01-01 | $1,748,700,737 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-01-01 | $1,871,296,690 |
| Interest earned on other investments | 2023-01-01 | $1,139,943 |
| Income. Interest from US Government securities | 2023-01-01 | $264,129,210 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $2,030,000,347 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $19,529,209 |
| Asset value of US Government securities at end of year | 2023-01-01 | $6,450,107,887 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $4,282,245,848 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-01-01 | $2,752,013,926 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-01-01 | $2,351,957,555 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-01-01 | $21,720,018 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-01-01 | $36,475,940 |
| Aggregate proceeds on sale of assets | 2023-01-01 | $57,268,690,567 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $57,693,319,586 |
| 2022 : BLACKROCK TOTAL RETURN BOND FUND 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-838,489,385 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-838,489,385 |
| Total transfer of assets to this plan | 2022-12-31 | $1,653,319,308 |
| Total transfer of assets from this plan | 2022-12-31 | $1,427,487,296 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $3,661,255,895 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $5,622,245,465 |
| Expenses. Interest paid | 2022-12-31 | $1,084,540 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2022-12-31 | $1,084,540 |
| Total income from all sources (including contributions) | 2022-12-31 | $-1,345,778,240 |
| Total loss/gain on sale of assets | 2022-12-31 | $-761,309,046 |
| Total of all expenses incurred | 2022-12-31 | $1,557,706 |
| Value of total assets at end of year | 2022-12-31 | $11,594,422,599 |
| Value of total assets at beginning of year | 2022-12-31 | $14,676,916,103 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $473,166 |
| Total interest from all sources | 2022-12-31 | $180,913,972 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $75,872,564 |
| 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 | $75,872,564 |
| Administrative expenses professional fees incurred | 2022-12-31 | $43,505 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-12-31 | $9,887,149 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-12-31 | $5,321,250 |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $23,340,023 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $10,104,805 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $1,479,871,274 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $1,981,492,978 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $3,661,255,895 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $5,622,245,465 |
| Other income not declared elsewhere | 2022-12-31 | $-2,766,345 |
| Administrative expenses (other) incurred | 2022-12-31 | $-45,619 |
| Total non interest bearing cash at end of year | 2022-12-31 | $96,235,792 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $77,721,354 |
| Value of net income/loss | 2022-12-31 | $-1,347,335,946 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $7,933,166,704 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $9,054,670,638 |
| Investment advisory and management fees | 2022-12-31 | $475,280 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $1,871,296,690 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $1,782,626,029 |
| Interest earned on other investments | 2022-12-31 | $947,042 |
| Income. Interest from US Government securities | 2022-12-31 | $171,038,947 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $1,443,112,328 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $3,031,345,448 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $3,031,345,448 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $8,927,983 |
| Asset value of US Government securities at end of year | 2022-12-31 | $4,282,245,848 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $4,487,855,273 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $2,351,957,555 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $3,248,861,470 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $36,475,940 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $51,587,496 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $48,072,620,455 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $48,833,929,501 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-838,489,385 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-838,489,385 |
| Total transfer of assets to this plan | 2022-01-01 | $1,653,319,308 |
| Total transfer of assets from this plan | 2022-01-01 | $1,427,487,296 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $3,661,255,895 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $5,622,245,465 |
| Total income from all sources (including contributions) | 2022-01-01 | $-1,345,778,240 |
| Total loss/gain on sale of assets | 2022-01-01 | $-761,309,046 |
| Total of all expenses incurred | 2022-01-01 | $1,557,706 |
| Value of total assets at end of year | 2022-01-01 | $11,594,422,599 |
| Value of total assets at beginning of year | 2022-01-01 | $14,676,916,103 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $473,166 |
| Total interest from all sources | 2022-01-01 | $180,913,972 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-01-01 | $75,872,564 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-01-01 | $75,872,564 |
| Administrative expenses professional fees incurred | 2022-01-01 | $43,505 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-01-01 | $9,887,149 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-01-01 | $5,321,250 |
| Assets. Other investments not covered elsewhere at end of year | 2022-01-01 | $23,340,023 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-01-01 | $10,104,805 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $1,479,871,274 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $1,981,492,978 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $3,661,255,895 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $5,622,245,465 |
| Other income not declared elsewhere | 2022-01-01 | $-2,766,345 |
| Administrative expenses (other) incurred | 2022-01-01 | $-45,619 |
| Total non interest bearing cash at end of year | 2022-01-01 | $96,235,792 |
| Total non interest bearing cash at beginning of year | 2022-01-01 | $77,721,354 |
| Value of net income/loss | 2022-01-01 | $-1,347,335,946 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $7,933,166,704 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $9,054,670,638 |
| Investment advisory and management fees | 2022-01-01 | $475,280 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-01-01 | $1,871,296,690 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-01-01 | $1,782,626,029 |
| Interest earned on other investments | 2022-01-01 | $947,042 |
| Income. Interest from US Government securities | 2022-01-01 | $171,038,947 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $1,443,112,328 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $8,927,983 |
| Asset value of US Government securities at end of year | 2022-01-01 | $4,282,245,848 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $4,487,855,273 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-01-01 | $2,351,957,555 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-01-01 | $3,248,861,470 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-01-01 | $36,475,940 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-01-01 | $51,587,496 |
| Aggregate proceeds on sale of assets | 2022-01-01 | $48,072,620,455 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $48,833,929,501 |
| 2021 : BLACKROCK TOTAL RETURN BOND FUND 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-152,527,203 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-152,527,203 |
| Total transfer of assets to this plan | 2021-12-31 | $3,472,927,083 |
| Total transfer of assets from this plan | 2021-12-31 | $359,099,098 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $5,622,245,465 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $3,589,572,065 |
| Expenses. Interest paid | 2021-12-31 | $149,282 |
| 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 | $149,282 |
| Total income from all sources (including contributions) | 2021-12-31 | $-10,588,544 |
| Total loss/gain on sale of assets | 2021-12-31 | $-214,550 |
| Total of all expenses incurred | 2021-12-31 | $607,786 |
| Value of total assets at end of year | 2021-12-31 | $14,676,916,103 |
| Value of total assets at beginning of year | 2021-12-31 | $9,541,611,048 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $458,504 |
| Total interest from all sources | 2021-12-31 | $103,132,647 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $34,418,834 |
| 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 | $34,418,834 |
| Administrative expenses professional fees incurred | 2021-12-31 | $23,545 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2021-12-31 | $5,321,250 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $10,104,805 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $19,760,647 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $1,981,492,978 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $1,663,453,537 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $5,622,245,465 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $3,589,572,065 |
| Other income not declared elsewhere | 2021-12-31 | $4,601,728 |
| Administrative expenses (other) incurred | 2021-12-31 | $3,336 |
| Total non interest bearing cash at end of year | 2021-12-31 | $77,721,354 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $49,471,600 |
| Value of net income/loss | 2021-12-31 | $-11,196,330 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $9,054,670,638 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $5,952,038,983 |
| Investment advisory and management fees | 2021-12-31 | $431,623 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $1,782,626,029 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $901,683,161 |
| Interest earned on other investments | 2021-12-31 | $1,107,565 |
| Income. Interest from US Government securities | 2021-12-31 | $99,764,973 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $3,031,345,448 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $836,750,524 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $836,750,524 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $2,260,109 |
| Asset value of US Government securities at end of year | 2021-12-31 | $4,487,855,273 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $3,144,101,909 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $3,248,861,470 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $2,911,179,647 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $51,587,496 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $15,210,023 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $53,137,310,955 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $53,137,525,505 |
| 2020 : BLACKROCK TOTAL RETURN BOND FUND 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $63,770,308 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $63,770,308 |
| Total transfer of assets to this plan | 2020-12-31 | $2,480,616,310 |
| Total transfer of assets from this plan | 2020-12-31 | $617,662,512 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $3,589,572,065 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $2,100,874,258 |
| Expenses. Interest paid | 2020-12-31 | $51,987 |
| 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 | $51,987 |
| Total income from all sources (including contributions) | 2020-12-31 | $358,992,749 |
| Total loss/gain on sale of assets | 2020-12-31 | $187,803,587 |
| Total of all expenses incurred | 2020-12-31 | $461,201 |
| Value of total assets at end of year | 2020-12-31 | $9,541,611,048 |
| Value of total assets at beginning of year | 2020-12-31 | $5,831,427,895 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $409,214 |
| Total interest from all sources | 2020-12-31 | $82,906,406 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $21,088,896 |
| 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 | $21,088,896 |
| Administrative expenses professional fees incurred | 2020-12-31 | $19,828 |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $19,760,647 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $5,363,742 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $1,663,453,537 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $592,317,027 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $3,589,572,065 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $2,100,874,258 |
| Other income not declared elsewhere | 2020-12-31 | $3,423,552 |
| Administrative expenses (other) incurred | 2020-12-31 | $964 |
| Total non interest bearing cash at end of year | 2020-12-31 | $49,471,600 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $14,511,036 |
| Value of net income/loss | 2020-12-31 | $358,531,548 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $5,952,038,983 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $3,730,553,637 |
| Investment advisory and management fees | 2020-12-31 | $388,422 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $901,683,161 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $453,772,754 |
| Interest earned on other investments | 2020-12-31 | $979,454 |
| Income. Interest from US Government securities | 2020-12-31 | $79,603,629 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $836,750,524 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $613,073,359 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $613,073,359 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $2,323,323 |
| Asset value of US Government securities at end of year | 2020-12-31 | $3,144,101,909 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $2,462,017,333 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $2,911,179,647 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $1,685,556,844 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $15,210,023 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $4,815,800 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $38,134,153,045 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $37,946,349,458 |
| 2019 : BLACKROCK TOTAL RETURN BOND FUND 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $64,992,517 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $64,992,517 |
| Total transfer of assets to this plan | 2019-12-31 | $2,180,533,133 |
| Total transfer of assets from this plan | 2019-12-31 | $509,223,895 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $2,100,874,258 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,630,564,686 |
| Expenses. Interest paid | 2019-12-31 | $24,502 |
| 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 | $24,502 |
| Total income from all sources (including contributions) | 2019-12-31 | $217,412,567 |
| Total loss/gain on sale of assets | 2019-12-31 | $64,277,310 |
| Total of all expenses incurred | 2019-12-31 | $342,603 |
| Value of total assets at end of year | 2019-12-31 | $5,831,427,895 |
| Value of total assets at beginning of year | 2019-12-31 | $3,472,739,121 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $318,101 |
| Total interest from all sources | 2019-12-31 | $68,221,316 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $17,865,261 |
| 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 | $17,865,261 |
| Administrative expenses professional fees incurred | 2019-12-31 | $19,345 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $5,363,742 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $5,803,955 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $592,317,027 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $714,423,931 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $2,100,874,258 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $1,630,564,686 |
| Other income not declared elsewhere | 2019-12-31 | $2,056,163 |
| Total non interest bearing cash at end of year | 2019-12-31 | $14,511,036 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $17,412,084 |
| Value of net income/loss | 2019-12-31 | $217,069,964 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $3,730,553,637 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $1,842,174,435 |
| Investment advisory and management fees | 2019-12-31 | $298,756 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $453,772,754 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $343,308,190 |
| Interest earned on other investments | 2019-12-31 | $449,113 |
| Income. Interest from US Government securities | 2019-12-31 | $64,754,798 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $613,073,359 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $142,190,904 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $142,190,904 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $3,017,405 |
| Asset value of US Government securities at end of year | 2019-12-31 | $2,462,017,333 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $1,388,337,183 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $1,685,556,844 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $861,262,874 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $4,815,800 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $18,241,057,524 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $18,176,780,214 |
| 2018 : BLACKROCK TOTAL RETURN BOND FUND 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-12,430,813 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-12,430,813 |
| Total transfer of assets to this plan | 2018-12-31 | $1,361,140,353 |
| Total transfer of assets from this plan | 2018-12-31 | $365,631,632 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $1,630,564,686 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $607,121,353 |
| Expenses. Interest paid | 2018-12-31 | $71,511 |
| 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 | $71,511 |
| Total income from all sources (including contributions) | 2018-12-31 | $11,482,667 |
| Total loss/gain on sale of assets | 2018-12-31 | $-27,889,581 |
| Total of all expenses incurred | 2018-12-31 | $273,157 |
| Value of total assets at end of year | 2018-12-31 | $3,472,739,121 |
| Value of total assets at beginning of year | 2018-12-31 | $1,442,577,557 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $201,646 |
| Total interest from all sources | 2018-12-31 | $39,025,269 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $14,848,179 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2018-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2018-12-31 | $14,848,179 |
| Administrative expenses professional fees incurred | 2018-12-31 | $19,189 |
| Assets. Other investments not covered elsewhere at end of year | 2018-12-31 | $5,803,955 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $872,376 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $714,423,931 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $359,892,266 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $1,630,564,686 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $607,121,353 |
| Other income not declared elsewhere | 2018-12-31 | $-2,070,387 |
| Administrative expenses (other) incurred | 2018-12-31 | $-1,997 |
| Total non interest bearing cash at end of year | 2018-12-31 | $17,412,084 |
| Value of net income/loss | 2018-12-31 | $11,209,510 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $1,842,174,435 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $835,456,204 |
| Investment advisory and management fees | 2018-12-31 | $184,454 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2018-12-31 | $343,308,190 |
| Interest earned on other investments | 2018-12-31 | $321,083 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $37,196,646 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $142,190,904 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $174,616,369 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $174,616,369 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $1,507,540 |
| Asset value of US Government securities at end of year | 2018-12-31 | $1,388,337,183 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $861,262,874 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $907,196,546 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $14,039,679,915 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $14,067,569,496 |
| 2017 : BLACKROCK TOTAL RETURN BOND FUND 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $4,600,257 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $4,600,257 |
| Total transfer of assets to this plan | 2017-12-31 | $505,601,417 |
| Total transfer of assets from this plan | 2017-12-31 | $56,165,570 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $607,121,353 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $135,451,284 |
| Expenses. Interest paid | 2017-12-31 | $1,678 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2017-12-31 | $1,678 |
| Total income from all sources (including contributions) | 2017-12-31 | $17,267,577 |
| Total loss/gain on sale of assets | 2017-12-31 | $-3,694,561 |
| Total of all expenses incurred | 2017-12-31 | $121,070 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $0 |
| Value of total assets at end of year | 2017-12-31 | $1,442,577,557 |
| Value of total assets at beginning of year | 2017-12-31 | $504,325,134 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $119,392 |
| Total interest from all sources | 2017-12-31 | $10,733,569 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $5,464,180 |
| Administrative expenses professional fees incurred | 2017-12-31 | $19,189 |
| Assets. Other investments not covered elsewhere at end of year | 2017-12-31 | $872,376 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $418,776 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $359,892,266 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $92,389,816 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $607,121,353 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $135,451,284 |
| Other income not declared elsewhere | 2017-12-31 | $164,132 |
| Administrative expenses (other) incurred | 2017-12-31 | $-6,090 |
| Value of net income/loss | 2017-12-31 | $17,146,507 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $835,456,204 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $368,873,850 |
| Investment advisory and management fees | 2017-12-31 | $106,293 |
| Interest earned on other investments | 2017-12-31 | $118,975 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $10,346,452 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $174,616,369 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $24,697,193 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $24,697,193 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $268,142 |
| Income. Dividends from common stock | 2017-12-31 | $5,464,180 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-12-31 | $907,196,546 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $386,819,349 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $4,967,667,705 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $4,971,362,266 |
| 2016 : BLACKROCK TOTAL RETURN BOND FUND 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $-6,781,719 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $-6,781,719 |
| Total transfer of assets to this plan | 2016-12-31 | $382,364,139 |
| Total transfer of assets from this plan | 2016-12-31 | $4,909,104 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $135,451,284 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Total income from all sources (including contributions) | 2016-12-31 | $-8,553,540 |
| Total loss/gain on sale of assets | 2016-12-31 | $-4,696,973 |
| Total of all expenses incurred | 2016-12-31 | $27,645 |
| 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 | $504,325,134 |
| Value of total assets at beginning of year | 2016-12-31 | $0 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $27,645 |
| Total interest from all sources | 2016-12-31 | $1,853,514 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $1,063,368 |
| Administrative expenses professional fees incurred | 2016-12-31 | $6,753 |
| Assets. Other investments not covered elsewhere at end of year | 2016-12-31 | $418,776 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $92,389,816 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $135,451,284 |
| Other income not declared elsewhere | 2016-12-31 | $8,270 |
| Administrative expenses (other) incurred | 2016-12-31 | $-5,414 |
| Value of net income/loss | 2016-12-31 | $-8,581,185 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $368,873,850 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $0 |
| Investment advisory and management fees | 2016-12-31 | $26,306 |
| Interest earned on other investments | 2016-12-31 | $567 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $1,816,960 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $24,697,193 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $35,987 |
| Income. Dividends from common stock | 2016-12-31 | $1,063,368 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-12-31 | $386,819,349 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $1,178,499,765 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $1,183,196,738 |
