Basis of Presentation and Consolidation Basis of Presentation and Consolidation (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		36 Months Ended
	Jan. 15, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Repayments of Long-term Debt			$ 700	$ 258	$ 1,304
Payments of Debt Issuance Costs				0	40
Net revenues		$ 1,141	2,140	2,395	4,173
Net income/(loss) attributable to Caesars		15	(466)	6,787	(853)	$ 7,200
Caesars Growth Partners, LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Contingently Issuable Membership Units [Member]
Net revenues		574	353	1,141	579
Net income/(loss) attributable to Caesars		8	(115)	6	(114)
Contingent Consideration Classified as Equity, Fair Value Disclosure		230		230		347
Caesars Entertainment Operating Company [Member]
Net revenues	$ 158
Net income/(loss) attributable to Caesars	$ (76)					$ 7,100
Caesars Enterprise Services [Member] | Caesars Entertainment Operating Company [Member]
Noncontrolling Interest in Variable Interest Entity		$ 11		$ 11
Restatement Adjustment [Member]
Proceeds from Issuance of Debt			$ 700		693
Repayments of Long-term Debt					700
Payments of Debt Issuance Costs					$ (7)