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Acquisitions and Divestitures (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Business Combination, Separately Recognized Transactions [Line Items] |  |  |
Gains (losses) on asset dispositions, net | $ 95 | $ 74 | $ 17
Proceeds on asset dispositions | 140 | 349 | 231
United States |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |
Payments to acquire oil and gas property | $ 144 | $ 393 | 95
Held-for-sale |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |
Book value of assets held-for-sale |  |  | 99
Book value of asset retirement obligations |  |  | $ 105

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