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Canadian NGL Business Divestiture and Discontinued Operations - Narrative (Details) $ in Millions, $ in Millions |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 12, 2026 USD ($) | May 12, 2026 CAD ($) | Jul. 31, 2026 USD ($) | Jun. 30, 2026 USD ($) | Mar. 31, 2026 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2026 USD ($) | Jun. 30, 2025 USD ($) | Jun. 12, 2026 | May 13, 2026 USD ($) | Dec. 31, 2025 USD ($)
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Disposal group, including discontinued operation, liabilities, current |  |  |  | $ 154 |  |  | $ 154 |  |  |  | $ 382
Current income tax expense from continuing operations |  |  |  | 107 |  | $ 1 | 322 | $ 6 |  |  |
Deferred income tax benefit |  |  |  | 102 |  | 15 | (106) | 40 |  |  |
Discontinued Operations, Disposed of by Sale | Canadian NGL Business |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash consideration | $ 3,883 | $ 5,328 |  |  |  |  |  |  |  |  |
Disposal group, including discontinued operation, liabilities, current |  |  |  |  |  |  |  |  |  | $ 62 |
Commence period |  |  |  |  |  |  |  |  | 12 months |  |
Current income tax expense from continuing operations |  |  |  |  | $ 311 |  |  |  |  |  |
Deferred income tax benefit |  |  |  |  |  |  | 217 |  |  |  |
Disposal group, including discontinued operation, income tax expense (benefit), |  |  |  |  |  |  | 82 |  |  |  |
Deferred tax liabilities |  |  |  | 77 |  |  | 77 |  |  |  |
Discontinued Operations, Disposed of by Sale | Canadian NGL Business | Derivative |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Other current liabilities |  |  |  | 15 |  |  | 15 |  |  |  |
Discontinued Operations, Disposed of by Sale | Canadian NGL Business | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payments for termination of derivative financial instruments |  |  | $ 15 |  |  |  |  |  |  |  |
Discontinued Operations, Disposed of by Sale | NGL Business |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Disposal group, including discontinued operation, liabilities, current |  |  |  | 154 |  |  | 154 |  |  |  | 382
Other current liabilities |  |  |  | 154 |  |  | 154 |  |  |  | $ 87
(Gains)/losses on asset sales and other, net |  |  |  | $ (1,637) |  | $ 13 | $ (1,605) | $ 13 |  |  |

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