Segment Reporting - Balance Sheet (Details) - USD ($) $ in Millions		Dec. 31, 2015		Dec. 31, 2014
Segment Reporting Information [Line Items]
Assets		$ 12,195		$ 23,328
Liabilities		9,962		28,070
Operating Segments [Member] | Caesars Entertainment Operating Company [Member]
Segment Reporting Information [Line Items]
Assets	[1]			11,185
Liabilities	[1]			19,603
Operating Segments [Member] | Caesars Entertainment Operating Company [Member] | International [Member]
Segment Reporting Information [Line Items]
Assets				312
Liabilities				183
Operating Segments [Member] | Caesars Entertainment Resort Properties [Member]
Segment Reporting Information [Line Items]
Assets		7,028		7,152
Liabilities		6,073		6,314
Operating Segments [Member] | Caesars Growth Partners
Segment Reporting Information [Line Items]
Assets		4,174		4,171
Liabilities		2,583		2,965
Operating Segments [Member] | Caesars Interactive Entertainment [Member]
Segment Reporting Information [Line Items]
Assets		485	[2]	546	[3]
Liabilities		269	[2]	367	[3]
Operating Segments [Member] | Caesars Interactive Entertainment [Member] | International [Member]
Segment Reporting Information [Line Items]
Assets		281		305
Liabilities		57		172
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Assets		1,409		2,749
Liabilities		1,155		(586)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Assets		(901)		(2,475)
Liabilities		$ (118)		$ (593)

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

[2] Includes foreign assets of $281 million and foreign liabilities of $57 million

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