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

Book Value Liabilities Measured On Recurring Basis Obligations

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Amount classified as assets attributable to disposal group held for sale or disposed of.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and not intended for resale.

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The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

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