Segment Reporting Segment Reporting Balance Sheet (Details) - USD ($) $ in Millions		Sep. 30, 2015		Dec. 31, 2014
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		$ 12,652		$ 23,331
Liabilities		10,393		28,073
Caesars Entertainment Operating Company [Member] | International [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets				312
Liabilities				183
Caesars Interactive Entertainment [Member] | International [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		272		305
Liabilities		64		172
Operating Segments [Member] | Caesars Entertainment Operating Company [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	[1]			11,185
Liabilities	[1]			19,603
Operating Segments [Member] | Caesars Entertainment Resort Properties [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		7,140		7,152
Liabilities		6,185		6,314
Operating Segments [Member] | Caesars Growth Partners, LLC [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		4,228		4,171
Liabilities		2,858		2,965
Operating Segments [Member] | Caesars Interactive Entertainment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		468	[2]	546	[3]
Liabilities		285	[2]	367	[3]
Corporate, Non-Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		1,730		2,752
Liabilities		1,213		(583)
Intersegment Eliminations [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		(914)		(2,475)
Liabilities		$ (148)		$ (593)

[1] Includes foreign assets of $312 million and foreign liabilities of $183 million

[2] Includes foreign assets of $272 million and foreign liabilities of $64 million

[3] Includes foreign assets of $305 million and foreign liabilities of $172 million