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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for credit loss $ 13 $ 18
Property and equipment, accumulated depreciation 1,128 922
Intangible assets, accumulated amortization $ 407 $ 373
Common stock, par value (in dollars per share) $ 0.01  
Common stock, shares authorized (in shares) 300,000,000  
Common stock, shares outstanding (in shares) 114,659,000  
Common stock, shares issued (in shares) 114,659,000  
Preferred stock, par value (in dollars per share) $ 0.01  
Preferred stock, authorized (in shares) 10,000,000  
Preferred stock, issued (in shares) 0  
Preferred stock, outstanding (in shares) 0