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Consolidated Balance Sheet (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Statement of Financial Position [Abstract]    
Allowance for accounts and notes receivable $ 4 $ 3
Accumulated depreciation, depletion and amortization $ 77,911 $ 74,361
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) 2,106,906,457 2,103,772,516
Treasury stock, shares (in shares) 945,656,667 925,670,961