Debt - Outstanding Debt (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Long-term Debt, Gross	$ 7,177		$ 25,600
Long-term Debt	7,062		23,213
Current Portion Of Long Term Debt Face Value	(71)
Long-term Debt, Current Maturities	(71)		(15,779)
Long Term Debt Non Current Face Value	7,106
Long-term Debt, Excluding Current Maturities	6,991		7,434
Caesars Entertainment Operating Company [Member]
Long-term Debt, Gross	0
Long Term Debt, less Discount	0		16,100
Long-term Debt			16,177
Long-term Debt, Current Maturities			15,800
Caesars Entertainment Resort Properties [Member]
Long-term Debt, Gross	4,787
Long-term Debt	4,731		4,774
Long-term Debt, Current Maturities	(38)		(39)
Long Term Debt Non Current Face Value	4,749
Long-term Debt, Excluding Current Maturities	4,693		4,735
Caesars Growth Partners, LLC [Member]
Long-term Debt, Gross	2,382	[1]
Long-term Debt	2,323	[1]	2,326	[1]
Long-term Debt, Current Maturities	(24)		(20)
Long Term Debt Non Current Face Value	2,358
Long-term Debt, Excluding Current Maturities	2,299		2,306
Parent [Member]
Long-term Debt, Gross	8
Long-term Debt	$ 8		$ 13

[1] As of March 31, 2015, CIE had $40 million drawn under a revolver arrangement with Caesars Entertainment. Accordingly, such debt is not considered outstanding in the above presentation.