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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Millions, $ in Millions
Sep. 30, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 29 $ 31
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 600 600
Common stock, shares issued (in shares) 162 162
Treasury stock (in shares) 48 43