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Consolidated Balance Sheet (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 88 $ 72
Inventory classified in Other assets $ 3,348 $ 2,938
Common stock, par value (in dollars per share) $ 0.50 $ 0.50
Common stock, authorized (in shares) 6,500,000,000 6,500,000,000
Common stock, shares issued (in shares) 3,577,103,522 3,577,103,522
Treasury stock, shares (in shares) 1,045,470,249 1,039,269,638