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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 51 $ 48
Accumulated depreciation $ 795 $ 859
Common stock, par value (USD per share) $ 1 $ 1
Common stock authorized (shares) 600,000,000 600,000,000
Common stock issued (shares) 415,000,000 415,000,000