Debt - Outstanding Debt (Detail) (USD $) In Millions, unless otherwise specified																																																			9 Months Ended				9 Months Ended																											9 Months Ended																																						9 Months Ended
	Sep. 30, 2014		Dec. 31, 2013	Sep. 30, 2014 Caesars Entertainment Operating Company [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Revolving Credit Facility maturing Jan 28 2017 [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Revolving Credit Facility maturing Jan 28 2017 [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loan B One - B Three [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loan B One - B Three [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loan B Four [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loan B Four [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loans B Five [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loans B Five [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loan B Six [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loan B Six [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loan B Seven [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Medium-term Notes [Member] Term Loan B Seven [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Secured Debt [Member] Twenty-Seventeen Note at Eleven point Two Five Percent [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Secured Debt [Member] Twenty-Seventeen Note at Eleven point Two Five Percent [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Secured Debt [Member] Twenty-twenty Note at Eight point Five Percent [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Secured Debt [Member] Twenty-twenty Note at Eight point Five Percent [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Secured Debt [Member] Twenty-Twenty Note at Nine Percent [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Secured Debt [Member] Twenty-Twenty Note at Nine Percent [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Secured Debt [Member] Chester Downs Senior Secured Notes [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Secured Debt [Member] Chester Downs Senior Secured Notes [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Subordinated Debt [Member] Twenty-Eighteen Note at Twelve point Seven Five [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Subordinated Debt [Member] Twenty-Eighteen Note at Twelve point Seven Five [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Subordinated Debt [Member] Twenty-Eighteen Note at Ten Percent [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Subordinated Debt [Member] Twenty-Eighteen Note at Ten Percent [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Subordinated Debt [Member] Twenty-Fifteen Note at Ten Percent [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Subordinated Debt [Member] Twenty-Fifteen Note at Ten Percent [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Capital Lease Obligations [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Capital Lease Obligations [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Subsidiary-Guaranteed Senior Notes [Member] Senior Notes [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Subsidiary-Guaranteed Senior Notes [Member] Senior Notes [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Subsidiary-Guaranteed Senior Notes [Member] Payment in Kind (PIK) Note [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Subsidiary-Guaranteed Senior Notes [Member] Payment in Kind (PIK) Note [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Unsecured Debt [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Unsecured Debt [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Unsecured Debt [Member] Unsecured Senior Debt Five Point Six Two Five Percent [Member]		Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Unsecured Debt [Member] Unsecured Senior Debt Five Point Six Two Five Percent [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Unsecured Debt [Member] Unsecured Senior Debt Six Point Five Percent [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Unsecured Debt [Member] Unsecured Senior Debt Six Point Five Percent [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Unsecured Debt [Member] Unsecured Senior Debt Five Point Seven Five Percent [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Unsecured Debt [Member] Unsecured Senior Debt Five Point Seven Five Percent [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Convertible Debt [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Convertible Debt [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Other Unsecured Borrowings Special Improvement District Bonds [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member] Other Unsecured Borrowings Special Improvement District Bonds [Member]	Sep. 30, 2014 Consolidation, Eliminations [Member]	Sep. 30, 2014 Caesars Entertainment Resort Properties [Member]	Dec. 31, 2013 Caesars Entertainment Resort Properties [Member]	Sep. 30, 2014 Caesars Entertainment Resort Properties [Member] Secured Debt [Member]		Dec. 31, 2013 Caesars Entertainment Resort Properties [Member] Secured Debt [Member]		Sep. 30, 2014 Caesars Entertainment Resort Properties [Member] Secured Debt [Member] Senior Secured Revolving Facility [Member]		Dec. 31, 2013 Caesars Entertainment Resort Properties [Member] Secured Debt [Member] Senior Secured Revolving Facility [Member]		Sep. 30, 2014 Caesars Entertainment Resort Properties [Member] Capital Lease Obligations [Member]	Dec. 31, 2013 Caesars Entertainment Resort Properties [Member] Capital Lease Obligations [Member]	Sep. 30, 2014 Caesars Entertainment Resort Properties [Member] Unsecured Debt [Member]		Dec. 31, 2013 Caesars Entertainment Resort Properties [Member] Unsecured Debt [Member]		Sep. 30, 2014 Caesars Entertainment Resort Properties [Member] First Lien Notes [Member]		Dec. 31, 2013 Caesars Entertainment Resort Properties [Member] First Lien Notes [Member]		Sep. 30, 2014 Caesars Entertainment Resort Properties [Member] Second Lien Notes [Member]		Dec. 31, 2013 Caesars Entertainment Resort Properties [Member] Second Lien Notes [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Medium-term Notes [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member] Medium-term Notes [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Medium-term Notes [Member] Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member] Medium-term Notes [Member] Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Secured Debt [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member] Secured Debt [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Secured Debt [Member] Senior Secured Revolving Facility [Member]	Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Subordinated Debt [Member] Twenty Twenty-two Note at Nine point Three Seven Five [Member]		Jun. 30, 2014 Caesars Growth Partners, LLC [Member] Subordinated Debt [Member] Twenty Twenty-two Note at Nine point Three Seven Five [Member]	Dec. 31, 2013 Caesars Growth Partners, LLC [Member] Subordinated Debt [Member] Twenty Twenty-two Note at Nine point Three Seven Five [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Capital Lease Obligations [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member] Capital Lease Obligations [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Unsecured Debt [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member] Unsecured Debt [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Other Unsecured Borrowings Special Improvement District Bonds [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member] Other Unsecured Borrowings Special Improvement District Bonds [Member]		Sep. 30, 2014 Caesars Growth Partners, LLC [Member] Senior Secured Loan [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member] Senior Secured Loan [Member]		Sep. 30, 2014 Caesars Interactive Entertainment [Member] Subsidiary Issuer [Member]	Dec. 31, 2013 Caesars Interactive Entertainment [Member] Subsidiary Issuer [Member]
Debt Instrument [Line Items]
Debt, Rate(s)											0.00%				10.50%				5.95%				6.95%				9.75%				11.25%		8.50%		9.00%		9.25%		12.75%		10.00%		10.00%				10.75%										5.625%				6.50%		5.75%		0.24%		5.30%					7.00%				8.25%										8.00%				11.00%								8.25%				11.00%				6.25%					9.375%													5.30%				0.00%
Debt, Rate(s), Minimum																																																			10.75%				0.00%																											0.00%																																						0.00%
Debt, Rate(s), Maximum																																																			11.50%				6.00%																											6.00%																																						6.00%
Debt Instrument, Face Amount	$ 25,529.3			$ 18,410.9	[1]			$ 5,358.7			$ 0	[2],[3]			$ 376.7	[2]			$ 937.6	[2]			$ 2,298.8	[2]			$ 1,745.6	[2],[4]			$ 2,095.0		$ 1,250.0		$ 3,000.0		$ 330.0		$ 750.0		$ 4,502.1		$ 3.8		$ 20.0		$ 478.6	[5]			$ 12.2	[5]			$ 33.6		$ 0	[3]			$ 296.7		$ 233.3		$ 0		$ 46.9		$ 4.3	$ 4,737.2		$ 2,481.3	[6]			$ 75.0	[6]			$ 14.7		$ 16.2	[7]			$ 1,000.0	[6]	$ 1,000.0		$ 1,150.0	[6]	$ 1,150.0		$ 2,381.2	[8]			$ 272.5	[8]			$ 185.0	[8],[9]			$ 1,172.1	[10],[8]				$ 675.0	[10],[8]	$ 675.0			$ 4.6	[8]			$ 57.5	[7],[8]			$ 14.5	[7],[8]			$ 0	[8]			$ 39.8	$ 39.8
Long-term Debt, less Discount	16,033.6
Long-Term Debt, Face Value	25,388.7
Long-term Debt	23,029.5		21,115.5	16,122.5	[1]	15,579.7	[1]				0	[2],[3]	29.0	[2],[3]	359.6	[2]	948.1	[2]	917.0	[2]	989.3	[2]	2,227.0	[2]	2,399.9	[2]	1,641.3	[2],[4]	0	[2],[4]	2,071.5	2,066.4	1,250.0	1,250.0	2,958.8	2,954.5	330.0	330.0	744.7	743.9	2,572.4	2,433.2	3.4	187.7	20.0	14.7	478.6	[5]	478.6	[5]	12.2	[5]	10.9	[5]	33.6	39.3	0	[3]	328.3	[3]	265.6	212.6	189.9	115.0	0	0.2	46.9	48.1		4,677.1	4,610.9	2,435.5	[6]	2,449.7	[6]	75.0	[6]	0	[6]	14.7	5.4	16.2	[7]	21.3	[7]	994.2	[6]	993.7	[6]	1,141.5	[6]	1,140.8	[6]	2,318.8	[8]	924.9	[8]	262.9	[8]	214.5	[8]	180.2	[8],[9]	179.8	[8],[9]	1,139.9	[10],[8]	0	[10],[8]	0	660.4	[10],[8]		0	[10],[8]	4.6	[8]	2.1	[8]	56.3	[7],[8]	57.6	[7],[8]	14.5	[7],[8]	14.8	[7],[8]	0	[8]	456.1	[8]
Debt Instrument - Additional Unamortized Discount	(88.9)	[11]
Debt Instrument, Unamortized Discount	2,499.8		2,473.8
Long-Term Debt, Face Value	22,888.9		20,918.4
Current Portion Of Long Term Debt Face Value	(140.6)
Long-term Debt, Current Maturities	(140.6)		(197.1)																								(17.5)																(35.9)		27.3																						(1.2)																																																					(47.7)
Current Portion of Long-Term Debt																																																																						(25.0)	(25.0)																																																					(18.3)
Debt Instrument, Repurchased Face Amount																																																									791.8
Line of Credit Facility, Fair Value of Amount Outstanding				$ 0		$ 285.4			$ 0	$ 0

[1] $4.3 million face value of debt issued by CEOC is held by other consolidated entities

[2] Guaranteed by Caesars Entertainment.

[3] Repaid in the third quarter 2014.

[4] The Term B7 Loans have a springing maturity to 90 days prior to March 1, 2017, if more than $500.0 million of CEOC's Term B5 Loan and Term B6 Loan remain outstanding on such date.

[5] Guaranteed by certain wholly owned subsidiaries of CEOC.

[6] Guaranteed by Caesars Entertainment Resort Properties and its subsidiaries.

[7] The December 31, 2013 value of this debt was reclassified. The property that secured this debt was sold to CGP LLC in May 2014. See Note 6, "Property Transaction between CEOC and CGP LLC and Related Financing."

[8] As of September 30, 2014 and December 31, 2013, under the CGP LLC debt structure, CIE had $39.8 million drawn under an arrangement with Caesars Entertainment. Accordingly, such debt is eliminated in consolidation.

[9] The property that secured this debt was sold to CGP LLC in May 2014. The debt was formerly "Bill's Credit Facility." See Note 6, "Property Transaction between CEOC and CGP LLC and Related Financing."

[10] Guaranteed by an indirect subsidiary of Caesars Growth Partners, LLC and certain wholly owned subsidiaries of it.

[11] Increase in discount on long-term debt due to distribution of CEOC notes through a dividend to a non-consolidated affiliate. See Note 5, "Caesars Growth Partners."