Description of Business Description of Business - Additional Information (Details) $ in Millions		3 Months Ended	9 Months Ended
Jul. 11, 2018 USD ($)	Sep. 30, 2018 Casinos	Sep. 30, 2018 Casinos
Number Of Casinos Operated Or Managed		49	49
Geographic Concentration Risk [Member] \| UNITED STATES
Number Of Casinos Operated Or Managed		13	13
Geographic Concentration Risk [Member] \| UNITED STATES \| NEVADA
Number Of Casinos Operated Or Managed		9	9
Geographic Concentration Risk [Member] \| UNITED STATES \| NEVADA \| Sales Revenue, Net [Member]
Concentration Risk, Percentage		42.00%	45.00%
Geographic Concentration Risk [Member] \| International [Member]
Number Of Casinos Operated Or Managed		5	5
Octavius Tower [Member]
Proceeds from Sale of Real Estate \| $	$ 508
Harrah's Philadelphia [Member]
Sale Leaseback Transaction, Net Book Value \| $	242
Lease Modification Consideration \| $	$ 159

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Number of casinos operated as of balance sheet date or managed.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

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