Litigation - Exit Costs Accrual Composition (Details) - USD ($) $ in Millions		Mar. 31, 2019	Dec. 31, 2018
Disposal Group, Including Discontinued Operation, Other Liabilities		$ 80	$ 144
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	[1],[2]	0	43
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		24	33
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]	0	10
Contract Termination [Member]
Disposal Group, Including Discontinued Operation, Other Liabilities		$ 56	$ 58

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

[2] (2) As a result of the adoption of ASC 842, as of January 1, 2019, accruals associated with future obligations for leases not in use have been applied against the carrying amount of the ROU asset