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v3.25.2

Variable Interest Entities (Details) - USD ($) $ in Millions | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2023
Variable Interest Entity [Line Items] |  |  |  |
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents | $ 903 | $ 60 | $ 55 | $ 2,150
Receivables, Net, Current | 1,563 | 1,863 |  |
Inventory, Net | 335 | 279 |  |
Other current assets and deferred charges | 218 | 192 |  |
Property, Plant and Equipment, Net | 39,773 | 38,692 |  |
Intangible assets – net | 7,100 | 7,209 |  |
Other Assets, Noncurrent | 1,838 | 1,830 |  |
Accounts payable | (1,414) | (1,613) |  |
Other current liabilities | (1,521) | (1,360) |  |
Other Liabilities and Deferred Revenue, Noncurrent | (5,158) | (5,268) |  |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents | 72 | 15 |  |
Receivables, Net, Current | 178 | 178 |  |
Inventory, Net | 6 | 5 |  |
Other current assets and deferred charges | 3 | 7 |  |
Property, Plant and Equipment, Net | 4,846 | 4,896 |  |
Intangible assets – net | 1,886 | 1,940 |  |
Other Assets, Noncurrent | 24 | 27 |  |
Accounts payable | (73) | (57) |  |
Other current liabilities | (37) | (29) |  |
Other Liabilities and Deferred Revenue, Noncurrent | $ (266) | $ (263) |  |
Variable Interest Entity, Primary Beneficiary [Member] | Williams Companies Inc [Member] | Northeast JV [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Variable Interest Entity Ownership Percentage | 65.00% |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Williams Companies Inc [Member] | Gulfstar One [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Variable Interest Entity Ownership Percentage | 51.00% |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Williams Companies Inc [Member] | Cardinal Gas Services LLC [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Variable Interest Entity Ownership Percentage | 66.00% |  |  |
Variable Interest Entity, Not Primary Beneficiary [Member] | Williams Companies Inc [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Equity-method investments | $ 214 |  |  |

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