Annual report [Section 13 and 15(d), not S-K Item 405]

SUPPLEMENTAL INFORMATION ON OIL AND GAS EXPLORATION AND PRODUCTION ACTIVITIES (UNAUDITED) - Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves (Details)

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SUPPLEMENTAL INFORMATION ON OIL AND GAS EXPLORATION AND PRODUCTION ACTIVITIES (UNAUDITED) - Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Extractive Industries [Abstract]      
Sales and transfers of oil and gas produced, net of production costs $ (478) $ (600) $ (1,849)
Net changes in prices, production costs, and development costs (910) (7,181) 5,130
Acquisition of oil and gas reserves in place 0 0 0
Extensions and discoveries 368 581 941
Previously estimated development costs incurred during the period 211 263 204
Revisions of previous quantity estimates, less related production costs (21) (278) 154
Sales of oil and gas reserves in place 0 0 (1)
Accretion of discount 238 828 414
Net changes in income taxes 16 1,219 (1,067)
Change in production rates and other (60) (728) 215
Total change in standardized measure of discounted future net cash flows $ (636) $ (5,896) $ 4,141