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Supplemental Information on Oil and Gas Operations (Unaudited) (Costs Incurred) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Property acquisition costs:      
Proved properties $ 3,058 $ 2 $ 1,760
Unproved properties 1,949 63 803
Exploration costs 690 534 472
Development costs 2,856 3,160 2,132
Costs incurred $ 8,553 $ 3,759 $ 5,167