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Consolidated Balance Sheet (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Statement of Financial Position [Abstract]    
Allowance for accounts and notes receivable $ 6 $ 7
Accumulated depreciation, depletion and amortization $ 86,487 $ 81,072
Common stock, shares authorized (in shares) 2,500,000,000 2,500,000,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares issued (in shares) 2,252,479,047 2,250,672,734
Treasury stock, shares (in shares) 1,003,536,736 974,806,010