Litigation, Contractual Commitments and Contingent Liabilities Litigation - Exit Costs Accrual Composition (Details) - USD ($) $ in Millions		Dec. 31, 2018	Dec. 31, 2017
Disposal Group, Including Discontinued Operation, Other Liabilities		$ 144	$ 139
Harrah's Gulf Coast construction project [Member] | Caesars Entertainment Operating Company [Member] | Discontinued Operations, Disposed of by Means Other than Sale, Abandonment [Member]
Disposal Group, Including Discontinued Operation, Other Liabilities	[1]	43	43
Horseshoe Council Bluffs [Member] | Caesars Entertainment Operating Company [Member] | Discontinued Operations, Disposed of by Means Other than Sale, Abandonment [Member]
Disposal Group, Including Discontinued Operation, Other Liabilities		33	40
Disposal Group Other [Member] | Caesars Entertainment Operating Company [Member] | Discontinued Operations, Disposed of by Means Other than Sale, Abandonment [Member]
Disposal Group, Including Discontinued Operation, Other Liabilities	[2]	10	18
Contract Termination [Member]
Disposal Group, Including Discontinued Operation, Other Liabilities		$ 58	$ 38

[1] (1)  Associated with the abandonment of a construction project near the Mississippi Gulf Coast.

[2] (2)  Properties include Alea Leeds, Golden Nugget and Southend.