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v3.26.1

Financial and Derivative Instruments - Narrative (Details) bbl in Millions, $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2026 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2026 USD ($) bbl | Jun. 30, 2025 USD ($) | Dec. 31, 2025 bbl
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Loss reclassified from designated hedges | $ 153 | $ 23 | $ 143 | $ 40 |
Before-tax deferred gains in accumulated other comprehensive gains | (129) |  | (129) |  |
Obligation to return cash not offset | $ 139 |  | $ 139 |  |
Crude Oil | Commodity |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Notional amount, volume | bbl |  |  | 31 |  | 29
Cash Flow Hedging | Income Statement Location [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Loss reclassified from designated hedges |  |  | $ 143 | $ 40 |

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