Debt - Additional Information (Detail)		3 Months Ended		6 Months Ended
		Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Current Portion of Long-Term Debt		$ 222,000,000		$ 222,000,000		$ 15,779,000,000
Long-term Debt		7,024,000,000		7,024,000,000		23,009,000,000
Long-term Debt, Gross		7,167,000,000		7,167,000,000		25,600,000,000
Debt Instrument, Unamortized Discount		111,000,000		111,000,000		2,400,000,000
Unamortized Debt Issuance Expense		32,000,000		32,000,000		204,000,000
Long-term Debt, Fair Value		6,400,000,000		6,400,000,000		17,500,000,000
Property EBITDA		351,000,000	$ 473,000,000	691,000,000	$ 885,000,000
Caesars Entertainment Resort Properties [Member]
Current Portion of Long-Term Debt		133,000,000		133,000,000		39,000,000
Long-term Debt		4,655,000,000		4,655,000,000		4,754,000,000
Long-term Debt, Gross		4,728,000,000		4,728,000,000
Line of Credit Facility, Maximum Borrowing Capacity		$ (270,000,000)		(270,000,000)
Interest Expense, Debt				$ 2,000,000
Caesars Entertainment Resort Properties [Member] | Maximum [Member]
Leverage Ratio For Line Of Credit Facility		8.0		8.0
Caesars Entertainment Resort Properties [Member] | Secured Debt [Member]
Long-term Debt		$ 2,411,000,000		$ 2,411,000,000		2,420,000,000
Long-term Debt, Gross		$ 2,463,000,000		2,463,000,000
Term Loans Periodic Payments				$ 6,000,000
Debt Instrument, Interest Rate		7.00%		7.00%
Caesars Entertainment Resort Properties [Member] | Secured Debt [Member] | Senior Secured Revolving Facility [Member]
Long-term Debt		$ 95,000,000		$ 95,000,000		180,000,000
Long-term Debt, Gross		95,000,000		95,000,000
Letters of Credit Outstanding, Amount		0		0
Line of Credit Facility, Remaining Borrowing Capacity		270,000,000		270,000,000
Caesars Entertainment Resort Properties [Member] | First And Second Lien Secured Debt [Member]
Long-term Debt, Gross		2,200,000,000		2,200,000,000
Caesars Entertainment Resort Properties [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		2,800,000,000		2,800,000,000
Caesars Entertainment Resort Properties [Member] | First Lien Notes [Member]
Long-term Debt		991,000,000		991,000,000		990,000,000
Long-term Debt, Gross		$ 1,000,000,000		$ 1,000,000,000
Debt Instrument, Interest Rate		8.00%		8.00%
Caesars Entertainment Resort Properties [Member] | Second Lien Notes [Member]
Long-term Debt		$ 1,138,000,000		$ 1,138,000,000		1,137,000,000
Long-term Debt, Gross		$ 1,150,000,000		$ 1,150,000,000
Debt Instrument, Interest Rate		11.00%		11.00%
Caesars Growth Partners, LLC [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ (160,000,000)		$ (160,000,000)
Variable Interest Entity, Primary Beneficiary [Member]
Current Portion of Long-Term Debt		86,000,000		86,000,000		20,000,000
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member]
Current Portion of Long-Term Debt		86,000,000		86,000,000		20,000,000
Long-term Debt	[1]	2,366,000,000		2,366,000,000		2,312,000,000
Long-term Debt, Gross	[1]	$ 2,436,000,000		$ 2,436,000,000
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Maximum [Member]
Leverage Ratio For Line Of Credit Facility		6.00		6.00
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Horseshoe Baltimore Credit Facility [Member]
Long-term Debt, Gross		$ 300,000,000		$ 300,000,000
Line of Credit Facility, Maximum Borrowing Capacity		310,000,000		310,000,000
Line of Credit Facility, Remaining Borrowing Capacity		10,000,000		10,000,000
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Horseshoe Baltimore FF&E Facility [Member]
Long-term Debt, Gross		30,000,000		30,000,000
Line of Credit Facility, Maximum Borrowing Capacity		$ 30,000,000		30,000,000
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Cromwell Credit Facility [Member] | Minimum [Member]
Property EBITDA				$ 7,500,000
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | First Three Quarters [Member] | Line of Credit [Member] | Maximum [Member]
Leverage Ratio For Line Of Credit Facility		7.5		7.5
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | First Three Quarters [Member] | Cromwell Credit Facility [Member] | Maximum [Member]
Leverage Ratio For Line Of Credit Facility		5.25		5.25
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Following Four Quarters [Member] | Line of Credit [Member] | Maximum [Member]
Leverage Ratio For Line Of Credit Facility		6.0		6.0
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Following Four Quarters [Member] | Cromwell Credit Facility [Member] | Maximum [Member]
Leverage Ratio For Line Of Credit Facility		5.00		5.00
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Remainder of Agreement [Member] | Line of Credit [Member] | Maximum [Member]
Leverage Ratio For Line Of Credit Facility		4.75		4.75
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Remainder of Agreement [Member] | Cromwell Credit Facility [Member] | Maximum [Member]
Leverage Ratio For Line Of Credit Facility		4.75		4.75
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Secured Debt [Member]
Long-term Debt	[2]	$ 660,000,000		$ 660,000,000		659,000,000
Long-term Debt, Gross	[2]	$ 675,000,000		$ 675,000,000
Debt Instrument, Interest Rate	[2]	9.38%		9.38%
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Secured Debt [Member] | Senior Secured Revolving Facility [Member]
Long-term Debt		$ 60,000,000		$ 60,000,000		0
Long-term Debt, Gross		60,000,000		60,000,000
Letters of Credit Outstanding, Amount		0		0
Line of Credit Facility, Maximum Borrowing Capacity		$ 150,000,000		$ 150,000,000
Debt Instrument, Interest Rate		5.44%		5.44%
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Medium-term Notes [Member]
Long-term Debt		$ 316,000,000		$ 316,000,000		316,000,000
Long-term Debt, Gross		330,000,000		330,000,000
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member] | Medium-term Notes [Member] | Cromwell Credit Facility [Member]
Long-term Debt		177,000,000		177,000,000		$ 178,000,000
Long-term Debt, Gross		$ 183,000,000		$ 183,000,000
Debt Instrument, Interest Rate		11.00%		11.00%

[1] As of June 30, 2015, CIE had $40 million drawn under a revolver arrangement with Caesars Entertainment. Accordingly, such debt is not considered outstanding in the above presentation.

[2] Guaranteed by an indirect subsidiary of Caesars Growth Partners, LLC and certain of its wholly owned subsidiaries