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CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Millions, $ in Millions
Jun. 30, 2024
Dec. 31, 2023
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 48 $ 47
Accumulated depreciation 5,355 5,259
Accumulated amortization $ 455 $ 440
Common stock, par value (in USD per share) $ 1 $ 1
Common stock, shares authorized (in shares) 250 250
Common stock, shares issued (in shares) 115 114
Common stock, shares outstanding (in shares) 55 55
Treasury stock (in shares) 60 60