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Supplemental Disclosures About Natural Gas, Oil and NGL Producing Activities (unaudited) - Sources of Change in Standardized Measure of Discounted Future Net Cash Flow (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Extractive Industries [Abstract] |  |  |
Standardized measure, beginning balance | $ 12,287 | $ 3,086 | $ 9,000
Sales of natural gas and oil produced, net of production costs and gathering processing and transportation | (8,116) | (3,414) | (1,140)
Net changes in prices and production costs | 14,256 | 6,674 | (5,576)
Extensions and discoveries, net of production and development costs | 251 | 2,834 | 71
Changes in estimated future development costs | (1,512) | (459) | 1,933
Previously estimated development costs incurred during the period | 690 | 130 | 665
Revisions of previous quantity estimates | 6,697 | 2,034 | (1,839)
Purchase of reserves-in-place | 7,047 | 2,807 | 0
Sales of reserves-in-place | (402) | 0 | (112)
Accretion of discount | 1,371 | 309 | 902
Net change in income taxes | (4,972) | (1,423) | 14
Changes in production rates and other | (1,292) | (291) | (832)
Standardized measure, ending balance | $ 26,305 | $ 12,287 | $ 3,086

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