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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Millions, $ in Millions
Dec. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 47 $ 49
Accumulated depreciation 5,259 4,808
Accumulated amortization $ 440 $ 400
Common stock, par value (USD per share) $ 1 $ 1
Common stock, shares authorized (in shares) 250 250
Common stock, shares issued (in shares) 114 114
Common stock, shares outstanding (in shares) 55 54
Treasury stock (in shares) 60 60