Debt - Annual Maturities of Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 18,049
2016	76
2017	46
2018	228
2019	247
Thereafter	6,956
Long-term Debt, Gross	25,602
Caesars Entertainment Operating Company [Member]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	17,977
2016	19
2017	2
2018	1
2019	1
Thereafter	371
Long-term Debt, Gross	18,371
Caesars Entertainment Resort Properties [Member]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	39
2016	36
2017	27
2018	205
2019	25
Thereafter	4,500
Long-term Debt, Gross	4,832
Caesars Growth Partners, LLC [Member]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	20
2016	21
2017	17
2018	22
2019	221
Thereafter	2,085
Long-term Debt, Gross	2,386	[1]
Parent Company [Member]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	13
2016	0
2017	0
2018	0
2019	0
Thereafter	0
Long-term Debt, Gross	$ 13

[1] As of December 31, 2014, under the CGP LLC structure, CIE has $40 million drawn under a revolver arrangement with Caesars Entertainment. Accordingly, such debt is not considered outstanding in the above presentation.