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Employee Benefit Plans - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Other Accrued Liabilities and Other Long-Term Obligations [Member]      
Pension Plans, Postretirement and Other Employee Benefits [Line Items]      
Liability for self-insurance $ 95 $ 93  
Multiemployer Plans, Postretirement Benefit [Member] | UNITE HERE Health [Member]      
Pension Plans, Postretirement and Other Employee Benefits [Line Items]      
Contributions by the Company (in thousands)(4) $ 206 $ 191 $ 183