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Cash Flow Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Supplemental Cash Flow Information [Abstract] |  |  |
Increase (decrease) in PP&E related to an increase (decrease) in asset retirement obligations | $ 825 | $ 442 | $ (116)
Interest | 873 | 924 | 785
Income taxes | 7,368 | 856 | 905
Short-term investments purchased | (5,046) | (5,554) | (12,435)
Short-term investments sold | 3,102 | 8,810 | 12,015
Investments and long-term receivables purchased | (775) | (279) | (325)
Investments and long-term receivables sold | 90 | 114 | 87
Net Sales (Purchases) of Investments | $ (2,629) | $ 3,091 | $ (658)

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