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Discontinued Operations - Additional Information (Detail) - Discontinued Operations, Disposed of by Sale [Member] - Social and Mobile Games [Member] - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Sep. 30, 2016
Caesars Interactive Entertainment [Member]      
Line Items      
Disposal Group, Including Discontinued Operation, Consideration     $ 4,400
Gain from discontinued operations   $ 4,200  
Payments of Distributions to Affiliates $ 63 1,100  
Caesars Acquisition Company [Member]      
Line Items      
Escrow Deposit   $ 259