THE WILLIAMS COMPANIES MASTER PENSION TRUST has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan THE WILLIAMS COMPANIES, INC. MASTER TRUST
| Measure | Date | Value |
|---|
| 2023 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $22,165,021 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $22,165,021 |
| Total transfer of assets to this plan | 2023-12-31 | $4,187,457 |
| Total transfer of assets from this plan | 2023-12-31 | $83,581,691 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $1,250,696 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $7,896,722 |
| Total income from all sources (including contributions) | 2023-12-31 | $141,673,003 |
| Total loss/gain on sale of assets | 2023-12-31 | $-656,209 |
| Total of all expenses incurred | 2023-12-31 | $1,747,080 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-12-31 | $0 |
| Value of total assets at end of year | 2023-12-31 | $1,332,847,400 |
| Value of total assets at beginning of year | 2023-12-31 | $1,278,961,737 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $1,747,080 |
| Total interest from all sources | 2023-12-31 | $21,156,757 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-12-31 | $95,282 |
| Were there any nonexempt tranactions with any party-in-interest | 2023-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2023-12-31 | $19,764,011 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-12-31 | $20,913,792 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $5,925,947 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $11,964,528 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $1,250,696 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $7,896,722 |
| Total non interest bearing cash at end of year | 2023-12-31 | $1,391,101 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $289,414 |
| Value of net income/loss | 2023-12-31 | $139,925,923 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $1,331,596,704 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $1,271,065,015 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-12-31 | No |
| Investment advisory and management fees | 2023-12-31 | $1,746,922 |
| Interest earned on other investments | 2023-12-31 | $924,080 |
| Income. Interest from US Government securities | 2023-12-31 | $2,373,994 |
| Income. Interest from corporate debt instruments | 2023-12-31 | $16,303,715 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $791,314,921 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $738,416,735 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $19,842,511 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $50,821,521 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $50,821,521 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $1,554,968 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2023-12-31 | $55,911,385 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2023-12-31 | $54,913,358 |
| Asset value of US Government securities at end of year | 2023-12-31 | $70,040,152 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $66,308,788 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $93,717,776 |
| Net gain/loss from 103.12 investment entities | 2023-12-31 | $5,289,658 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-12-31 | Yes |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-12-31 | $145,369,382 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-12-31 | $134,990,891 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-12-31 | $210,215,442 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-12-31 | $188,156,605 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $13,072,548 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $12,090,823 |
| Did the plan have assets held for investment | 2023-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2023-12-31 | $1,172,665,629 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $1,173,321,838 |
| 2022 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-79,068,690 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-79,068,690 |
| Total transfer of assets to this plan | 2022-12-31 | $23,738,799 |
| Total transfer of assets from this plan | 2022-12-31 | $118,835,804 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $7,896,722 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $8,566,796 |
| Total income from all sources (including contributions) | 2022-12-31 | $-145,377,704 |
| Total loss/gain on sale of assets | 2022-12-31 | $47,377,696 |
| Total of all expenses incurred | 2022-12-31 | $1,857,219 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $0 |
| Value of total assets at end of year | 2022-12-31 | $1,278,961,737 |
| Value of total assets at beginning of year | 2022-12-31 | $1,521,963,739 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $1,857,219 |
| Total interest from all sources | 2022-12-31 | $18,842,550 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $588,702 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-12-31 | $95,282 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-12-31 | $5,967 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $20,913,792 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $31,147,675 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $11,964,528 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $4,640,112 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $7,896,722 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $8,566,796 |
| Other income not declared elsewhere | 2022-12-31 | $80 |
| Total non interest bearing cash at end of year | 2022-12-31 | $289,414 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $1,838,891 |
| Value of net income/loss | 2022-12-31 | $-147,234,923 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $1,271,065,015 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $1,513,396,943 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-12-31 | No |
| Investment advisory and management fees | 2022-12-31 | $1,857,219 |
| Interest earned on other investments | 2022-12-31 | $1,250,629 |
| Income. Interest from US Government securities | 2022-12-31 | $2,899,613 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $14,276,560 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $738,416,735 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $738,133,401 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $50,821,521 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $42,129,505 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $42,129,505 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $415,748 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2022-12-31 | $54,913,358 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2022-12-31 | $96,907,451 |
| Asset value of US Government securities at end of year | 2022-12-31 | $66,308,788 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $112,494,819 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $-126,025,863 |
| Net gain/loss from 103.12 investment entities | 2022-12-31 | $-7,092,179 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | Yes |
| Income. Dividends from common stock | 2022-12-31 | $588,702 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-12-31 | $134,990,891 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-12-31 | $158,724,730 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $188,156,605 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $237,982,025 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $12,090,823 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $97,959,163 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2022-12-31 | $2,138,923,914 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $2,091,546,218 |
| 2021 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-10,452,253 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-10,452,253 |
| Total transfer of assets to this plan | 2021-12-31 | $4,185,961 |
| Total transfer of assets from this plan | 2021-12-31 | $94,914,799 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $8,566,796 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $4,697,975 |
| Total income from all sources (including contributions) | 2021-12-31 | $74,198,765 |
| Total loss/gain on sale of assets | 2021-12-31 | $4,779,926 |
| Total of all expenses incurred | 2021-12-31 | $2,353,776 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $0 |
| Value of total assets at end of year | 2021-12-31 | $1,521,963,739 |
| Value of total assets at beginning of year | 2021-12-31 | $1,536,978,767 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $2,353,776 |
| Total interest from all sources | 2021-12-31 | $17,523,474 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $2,224,595 |
| Administrative expenses professional fees incurred | 2021-12-31 | $4,021 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2021-12-31 | $5,967 |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $31,147,675 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $36,680,444 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $4,640,112 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $5,720,825 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $8,566,796 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $4,697,975 |
| Total non interest bearing cash at end of year | 2021-12-31 | $1,838,891 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $710,574 |
| Value of net income/loss | 2021-12-31 | $71,844,989 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $1,513,396,943 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $1,532,280,792 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2021-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2021-12-31 | No |
| Investment advisory and management fees | 2021-12-31 | $2,349,755 |
| Interest earned on other investments | 2021-12-31 | $1,220,410 |
| Income. Interest from US Government securities | 2021-12-31 | $2,931,976 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $13,368,847 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $738,133,401 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $748,398,401 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $42,129,505 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $23,804,238 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $23,804,238 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $2,241 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2021-12-31 | $96,907,451 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2021-12-31 | $85,993,250 |
| Asset value of US Government securities at end of year | 2021-12-31 | $112,494,819 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $124,122,637 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $44,746,624 |
| Net gain/loss from 103.12 investment entities | 2021-12-31 | $15,376,399 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | Yes |
| Income. Dividends from common stock | 2021-12-31 | $2,224,595 |
| Asset. Corporate debt instrument preferred debt at end of year | 2021-12-31 | $158,724,730 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-12-31 | $167,161,884 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $237,982,025 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $241,405,247 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $97,959,163 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $102,981,267 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2021-12-31 | $1,137,914,385 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $1,133,134,459 |
| 2020 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $26,769,854 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $26,769,854 |
| Total transfer of assets to this plan | 2020-12-31 | $15,227,897 |
| Total transfer of assets from this plan | 2020-12-31 | $177,509,223 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $4,697,975 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $2,639,842 |
| Total income from all sources (including contributions) | 2020-12-31 | $243,612,325 |
| Total loss/gain on sale of assets | 2020-12-31 | $65,266,777 |
| Total of all expenses incurred | 2020-12-31 | $2,319,612 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $0 |
| Value of total assets at end of year | 2020-12-31 | $1,536,978,767 |
| Value of total assets at beginning of year | 2020-12-31 | $1,455,909,247 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $2,319,612 |
| Total interest from all sources | 2020-12-31 | $18,414,760 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $1,701,950 |
| Administrative expenses professional fees incurred | 2020-12-31 | $5,362 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2020-12-31 | $546,020 |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $36,680,444 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $39,184,170 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $5,720,825 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $5,155,255 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $4,697,975 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $2,639,842 |
| Administrative expenses (other) incurred | 2020-12-31 | $3,893 |
| Total non interest bearing cash at end of year | 2020-12-31 | $710,574 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $365,854 |
| Value of net income/loss | 2020-12-31 | $241,292,713 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $1,532,280,792 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $1,453,269,405 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2020-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2020-12-31 | No |
| Investment advisory and management fees | 2020-12-31 | $2,310,357 |
| Interest earned on other investments | 2020-12-31 | $1,465,101 |
| Income. Interest from US Government securities | 2020-12-31 | $1,921,762 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $14,963,334 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $748,398,401 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $734,555,413 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $23,804,238 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $17,945,356 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $17,945,356 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $64,563 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2020-12-31 | $85,993,250 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2020-12-31 | $74,803,405 |
| Asset value of US Government securities at end of year | 2020-12-31 | $124,122,637 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $69,922,299 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $130,269,139 |
| Net gain/loss from 103.12 investment entities | 2020-12-31 | $1,189,845 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | Yes |
| Income. Dividends from common stock | 2020-12-31 | $1,701,950 |
| Asset. Corporate debt instrument preferred debt at end of year | 2020-12-31 | $167,161,884 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2020-12-31 | $263,440,664 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $241,405,247 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $152,408,394 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $102,981,267 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $97,582,417 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2020-12-31 | $1,819,618,419 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $1,754,351,642 |
| 2019 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $22,831,328 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $22,831,328 |
| Total transfer of assets to this plan | 2019-12-31 | $67,703,798 |
| Total transfer of assets from this plan | 2019-12-31 | $122,729,399 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $2,639,842 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $3,969,727 |
| Total income from all sources (including contributions) | 2019-12-31 | $248,356,401 |
| Total loss/gain on sale of assets | 2019-12-31 | $50,105,395 |
| Total of all expenses incurred | 2019-12-31 | $2,331,251 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $0 |
| Value of total assets at end of year | 2019-12-31 | $1,455,909,247 |
| Value of total assets at beginning of year | 2019-12-31 | $1,266,239,583 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $2,331,251 |
| Total interest from all sources | 2019-12-31 | $19,522,098 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $1,658,661 |
| Administrative expenses professional fees incurred | 2019-12-31 | $9,699 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2019-12-31 | $546,020 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2019-12-31 | $149,368 |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $39,184,170 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $25,111,460 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $5,155,255 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $6,564,593 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $2,639,842 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $3,969,727 |
| Administrative expenses (other) incurred | 2019-12-31 | $193 |
| Total non interest bearing cash at end of year | 2019-12-31 | $365,854 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $203,456 |
| Value of net income/loss | 2019-12-31 | $246,025,150 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $1,453,269,405 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $1,262,269,856 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Investment advisory and management fees | 2019-12-31 | $2,321,359 |
| Interest earned on other investments | 2019-12-31 | $1,368,907 |
| Income. Interest from US Government securities | 2019-12-31 | $6,144,800 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $11,702,961 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $734,555,413 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $671,768,287 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $17,945,356 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $11,749,782 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $11,749,782 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $305,430 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2019-12-31 | $74,803,405 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2019-12-31 | $22,279,163 |
| Asset value of US Government securities at end of year | 2019-12-31 | $69,922,299 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $221,735,565 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $149,088,671 |
| Net gain/loss from 103.12 investment entities | 2019-12-31 | $5,150,248 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | Yes |
| Income. Dividends from common stock | 2019-12-31 | $1,658,661 |
| Asset. Corporate debt instrument preferred debt at end of year | 2019-12-31 | $263,440,664 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2019-12-31 | $87,432,321 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $152,408,394 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $153,612,676 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $97,582,417 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $65,632,912 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2019-12-31 | $2,598,458,654 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $2,548,353,259 |
| 2018 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-19,941,899 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-19,941,899 |
| Total transfer of assets to this plan | 2018-12-31 | $84,503,737 |
| Total transfer of assets from this plan | 2018-12-31 | $142,571,433 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $3,969,727 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $3,177,514 |
| Total income from all sources (including contributions) | 2018-12-31 | $-43,682,262 |
| Total loss/gain on sale of assets | 2018-12-31 | $-15,277,532 |
| Total of all expenses incurred | 2018-12-31 | $2,489,059 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $0 |
| Value of total assets at end of year | 2018-12-31 | $1,266,239,583 |
| Value of total assets at beginning of year | 2018-12-31 | $1,369,686,387 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $2,489,059 |
| Total interest from all sources | 2018-12-31 | $17,884,211 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $2,160,463 |
| Administrative expenses professional fees incurred | 2018-12-31 | $6,005 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2018-12-31 | $149,368 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2018-12-31 | $101,959 |
| Were there any nonexempt tranactions with any party-in-interest | 2018-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2018-12-31 | $25,111,460 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $18,737,052 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $6,564,593 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $4,064,678 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $3,969,727 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $3,177,514 |
| Total non interest bearing cash at end of year | 2018-12-31 | $203,456 |
| Total non interest bearing cash at beginning of year | 2018-12-31 | $31,779 |
| Value of net income/loss | 2018-12-31 | $-46,171,321 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $1,262,269,856 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $1,366,508,873 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2018-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2018-12-31 | No |
| Investment advisory and management fees | 2018-12-31 | $2,483,054 |
| Interest earned on other investments | 2018-12-31 | $791,934 |
| Income. Interest from US Government securities | 2018-12-31 | $6,200,395 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $10,620,375 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $671,768,287 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $781,001,405 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $11,749,782 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $19,655,332 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $19,655,332 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $271,507 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2018-12-31 | $22,279,163 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2018-12-31 | $58,860,958 |
| Asset value of US Government securities at end of year | 2018-12-31 | $221,735,565 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $158,533,648 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2018-12-31 | $-3,664,166 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $-24,843,339 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2018-12-31 | Yes |
| Income. Dividends from common stock | 2018-12-31 | $2,160,463 |
| Asset. Corporate debt instrument preferred debt at end of year | 2018-12-31 | $87,432,321 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2018-12-31 | $70,732,270 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $153,612,676 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $113,762,890 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $65,632,912 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $144,204,416 |
| Did the plan have assets held for investment | 2018-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2018-12-31 | $1,898,621,778 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $1,913,899,310 |
| 2017 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $19,832,501 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $19,832,501 |
| Total transfer of assets to this plan | 2017-12-31 | $84,307,956 |
| Total transfer of assets from this plan | 2017-12-31 | $306,030,867 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $3,177,514 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $2,502,443 |
| Total income from all sources (including contributions) | 2017-12-31 | $211,187,342 |
| Total loss/gain on sale of assets | 2017-12-31 | $11,042,025 |
| Total of all expenses incurred | 2017-12-31 | $2,813,672 |
| 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 | $1,369,686,387 |
| Value of total assets at beginning of year | 2017-12-31 | $1,382,360,557 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $2,813,672 |
| Total interest from all sources | 2017-12-31 | $14,167,930 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $3,777,573 |
| Administrative expenses professional fees incurred | 2017-12-31 | $7,428 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2017-12-31 | $101,959 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2017-12-31 | $178,581 |
| Were there any nonexempt tranactions with any party-in-interest | 2017-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2017-12-31 | $18,737,052 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $13,663,204 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $4,064,678 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $3,891,619 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $3,177,514 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $2,502,443 |
| Total non interest bearing cash at end of year | 2017-12-31 | $31,779 |
| Total non interest bearing cash at beginning of year | 2017-12-31 | $4,973 |
| Value of net income/loss | 2017-12-31 | $208,373,670 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $1,366,508,873 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $1,379,858,114 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2017-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2017-12-31 | No |
| Investment advisory and management fees | 2017-12-31 | $2,806,244 |
| Interest earned on other investments | 2017-12-31 | $479,160 |
| Income. Interest from US Government securities | 2017-12-31 | $4,770,084 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $8,797,576 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $781,001,405 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $758,951,261 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $19,655,332 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $15,755,528 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $15,755,528 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $121,110 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2017-12-31 | $58,860,958 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2017-12-31 | $64,781,489 |
| Asset value of US Government securities at end of year | 2017-12-31 | $158,533,648 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $131,765,737 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $19,490,071 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $142,877,242 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-12-31 | Yes |
| Income. Dividends from common stock | 2017-12-31 | $3,777,573 |
| Asset. Corporate debt instrument preferred debt at end of year | 2017-12-31 | $70,732,270 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2017-12-31 | $82,318,603 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-12-31 | $113,762,890 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $109,718,031 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $144,204,416 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $201,331,531 |
| Did the plan have assets held for investment | 2017-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2017-12-31 | $1,860,520,656 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $1,849,478,631 |
| 2016 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $18,210,154 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $18,210,154 |
| Total transfer of assets to this plan | 2016-12-31 | $66,467,109 |
| Total transfer of assets from this plan | 2016-12-31 | $145,775,723 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $2,502,443 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $2,970,930 |
| Total income from all sources (including contributions) | 2016-12-31 | $98,566,701 |
| Total loss/gain on sale of assets | 2016-12-31 | $8,566,704 |
| Total of all expenses incurred | 2016-12-31 | $2,552,601 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $0 |
| Value of total assets at end of year | 2016-12-31 | $1,382,360,557 |
| Value of total assets at beginning of year | 2016-12-31 | $1,366,123,558 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $2,552,601 |
| Total interest from all sources | 2016-12-31 | $13,558,228 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $4,601,984 |
| Administrative expenses professional fees incurred | 2016-12-31 | $4,408 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2016-12-31 | $178,581 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2016-12-31 | $57,691 |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2016-12-31 | $13,663,204 |
| Assets. Other investments not covered elsewhere at beginning of year | 2016-12-31 | $13,430,212 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $3,891,619 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $3,427,068 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $2,502,443 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $2,970,930 |
| Administrative expenses (other) incurred | 2016-12-31 | $170 |
| Total non interest bearing cash at end of year | 2016-12-31 | $4,973 |
| Total non interest bearing cash at beginning of year | 2016-12-31 | $13,804 |
| Value of net income/loss | 2016-12-31 | $96,014,100 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $1,379,858,114 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $1,363,152,628 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2016-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2016-12-31 | No |
| Investment advisory and management fees | 2016-12-31 | $2,548,023 |
| Interest earned on other investments | 2016-12-31 | $391,746 |
| Income. Interest from US Government securities | 2016-12-31 | $3,897,996 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $9,242,639 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $758,951,261 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $833,879,529 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $15,755,528 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $9,764,258 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $9,764,258 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $25,847 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2016-12-31 | $64,781,489 |
| Asset value of US Government securities at end of year | 2016-12-31 | $131,765,737 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $135,173,428 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2016-12-31 | $-3,932,227 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $57,561,858 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | Yes |
| Income. Dividends from common stock | 2016-12-31 | $4,601,984 |
| Asset. Corporate debt instrument preferred debt at end of year | 2016-12-31 | $82,318,603 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2016-12-31 | $92,783,978 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-12-31 | $109,718,031 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-12-31 | $95,052,931 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $201,331,531 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $182,540,659 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2016-12-31 | $965,370,987 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $956,804,283 |
| 2015 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-8,631,485 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-8,631,485 |
| Total transfer of assets to this plan | 2015-12-31 | $61,269,904 |
| Total transfer of assets from this plan | 2015-12-31 | $108,758,001 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $2,970,930 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,485,627 |
| Total income from all sources (including contributions) | 2015-12-31 | $-1,994,437 |
| Total loss/gain on sale of assets | 2015-12-31 | $-16,539,932 |
| Total of all expenses incurred | 2015-12-31 | $4,911,232 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $0 |
| Value of total assets at end of year | 2015-12-31 | $1,366,123,558 |
| Value of total assets at beginning of year | 2015-12-31 | $1,419,032,021 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $4,911,232 |
| Total interest from all sources | 2015-12-31 | $14,185,190 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $7,052,137 |
| Administrative expenses professional fees incurred | 2015-12-31 | $17,923 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2015-12-31 | $57,691 |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2015-12-31 | $1,420 |
| Assets. Other investments not covered elsewhere at end of year | 2015-12-31 | $13,430,212 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $3,427,068 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $3,878,871 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $2,970,930 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $1,485,627 |
| Administrative expenses (other) incurred | 2015-12-31 | $85 |
| Total non interest bearing cash at end of year | 2015-12-31 | $13,804 |
| Value of net income/loss | 2015-12-31 | $-6,905,669 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $1,363,152,628 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $1,417,546,394 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2015-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2015-12-31 | No |
| Investment advisory and management fees | 2015-12-31 | $4,893,224 |
| Interest earned on other investments | 2015-12-31 | $74,121 |
| Income. Interest from US Government securities | 2015-12-31 | $3,162,361 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $10,898,213 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $833,879,529 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $575,884,714 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $9,764,258 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $27,149,430 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $27,149,430 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $50,495 |
| Asset value of US Government securities at end of year | 2015-12-31 | $135,173,428 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $94,406,469 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $1,939,653 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | Yes |
| Income. Dividends from common stock | 2015-12-31 | $7,052,137 |
| Asset. Corporate debt instrument preferred debt at end of year | 2015-12-31 | $92,783,978 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2015-12-31 | $113,442,743 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-12-31 | $95,052,931 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $142,644,907 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $182,540,659 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $461,624,887 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2015-12-31 | $2,737,827,772 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $2,754,367,704 |
| 2014 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $31,663,165 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $31,663,165 |
| Total transfer of assets to this plan | 2014-12-31 | $65,083,028 |
| Total transfer of assets from this plan | 2014-12-31 | $95,812,232 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,485,627 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $2,517,801 |
| Total income from all sources (including contributions) | 2014-12-31 | $93,309,444 |
| Total loss/gain on sale of assets | 2014-12-31 | $-6,683,073 |
| Total of all expenses incurred | 2014-12-31 | $5,123,608 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $0 |
| Value of total assets at end of year | 2014-12-31 | $1,419,032,021 |
| Value of total assets at beginning of year | 2014-12-31 | $1,362,607,563 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $5,123,608 |
| Total interest from all sources | 2014-12-31 | $13,624,933 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $7,637,902 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2014-12-31 | $2,845,534 |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2014-12-31 | $17,945 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $3,878,871 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $4,554,704 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $1,485,627 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $2,517,801 |
| Administrative expenses (other) incurred | 2014-12-31 | $12,361 |
| Value of net income/loss | 2014-12-31 | $88,185,836 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $1,417,546,394 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $1,360,089,762 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2014-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2014-12-31 | No |
| Investment advisory and management fees | 2014-12-31 | $5,111,247 |
| Interest earned on other investments | 2014-12-31 | $9,796 |
| Income. Interest from US Government securities | 2014-12-31 | $2,788,622 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $10,771,583 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $575,884,714 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $545,541,887 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $27,149,430 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $25,773,250 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $25,773,250 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $54,932 |
| Asset value of US Government securities at end of year | 2014-12-31 | $94,406,469 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $94,018,260 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $47,066,517 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | Yes |
| Income. Dividends from preferred stock | 2014-12-31 | $7,570 |
| Income. Dividends from common stock | 2014-12-31 | $7,630,332 |
| Asset. Corporate debt instrument preferred debt at end of year | 2014-12-31 | $113,442,743 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2014-12-31 | $106,501,636 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-12-31 | $142,644,907 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $125,791,807 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $461,624,887 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $457,580,485 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2014-12-31 | $992,050,085 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $998,733,158 |
| 2013 : THE WILLIAMS COMPANIES, INC. MASTER TRUST 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $66,284,432 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $66,284,432 |
| Total transfer of assets to this plan | 2013-12-31 | $95,958,255 |
| Total transfer of assets from this plan | 2013-12-31 | $95,430,895 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $2,517,801 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $7,694,367 |
| Total income from all sources (including contributions) | 2013-12-31 | $187,833,381 |
| Total loss/gain on sale of assets | 2013-12-31 | $40,146,225 |
| Total of all expenses incurred | 2013-12-31 | $4,669,582 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $0 |
| Value of total assets at end of year | 2013-12-31 | $1,362,607,563 |
| Value of total assets at beginning of year | 2013-12-31 | $1,184,092,970 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $4,669,582 |
| Total interest from all sources | 2013-12-31 | $12,657,768 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $7,370,127 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2013-12-31 | $2,845,534 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2013-12-31 | $6,161,363 |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $4,554,704 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $7,115,522 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $2,517,801 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $7,694,367 |
| Administrative expenses (other) incurred | 2013-12-31 | $6,004 |
| Value of net income/loss | 2013-12-31 | $183,163,799 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $1,360,089,762 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,176,398,603 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2013-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2013-12-31 | No |
| Investment advisory and management fees | 2013-12-31 | $4,663,578 |
| Interest earned on other investments | 2013-12-31 | $12,713 |
| Income. Interest from US Government securities | 2013-12-31 | $2,850,284 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $9,758,522 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $545,541,887 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $454,269,186 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $25,773,250 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $23,306,361 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $23,306,361 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $36,249 |
| Asset value of US Government securities at end of year | 2013-12-31 | $94,018,260 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $87,636,691 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $61,374,829 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | Yes |
| Income. Dividends from preferred stock | 2013-12-31 | $228,598 |
| Income. Dividends from common stock | 2013-12-31 | $7,141,529 |
| Asset. Corporate debt instrument preferred debt at end of year | 2013-12-31 | $106,501,636 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2013-12-31 | $112,341,402 |
| Asset. Corporate debt instrument debt (other) at end of year | 2013-12-31 | $125,791,807 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2013-12-31 | $88,427,844 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $457,580,485 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $404,834,601 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2013-12-31 | $1,320,471,655 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $1,280,325,430 |
