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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Allowance for receivables $ 3 $ 2
Allowance for inventories 24 27
Accumulated amortization $ 405 $ 360
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 25,000,000 25,000,000
Preferred stock, shares Issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 900,000,000 900,000,000
Common stock shares issued (in shares) 478,000,000 474,000,000
Common stock, shares outstanding (in shares) 320,000,000 316,000,000
Treasury stock, shares (in shares) 158,500,000 158,000,000