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Related Party Transactions - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Related Party Transaction [Line Items]    
Due from affiliates $ 4 $ 11
Horseshoe Casino Baltimore [Member]    
Related Party Transaction [Line Items]    
Equity Method Investment, Ownership Percentage 41.00%  
Affiliated Entity [Member] | CEOC LLC [Member] | Lease Agreements [Member]    
Related Party Transaction [Line Items]    
Operating Leases, Future Minimum Payments Receivable $ 35  
Operating Leases, Future Minimum Payments Due $ 2  
Affiliated Entity [Member] | CEOC LLC [Member] | CIE | Cross Marketing and Trademark License Agreement [Member]    
Related Party Transaction [Line Items]    
Related Party Transaction, Rate 3.00%