Debt - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended											9 Months Ended				9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended									9 Months Ended		9 Months Ended																				9 Months Ended								9 Months Ended						9 Months Ended				9 Months Ended																				9 Months Ended																													9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Interest Rate Cap [Member]	Sep. 30, 2014 Caesars Entertainment Operating Company [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member]		Jun. 30, 2014 Caesars Entertainment Operating Company [Member]	Mar. 31, 2014 Caesars Entertainment Operating Company [Member]	Dec. 31, 2013 Caesars Entertainment Operating Company [Member]		Sep. 30, 2014 Caesars Entertainment Operating Company [Member] Maximum [Member]	Mar. 31, 2014 Caesars Entertainment Operating Company [Member] Maximum [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] Maximum [Member]	Sep. 30, 2014 Caesars Growth Partners, LLC [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member]		Sep. 30, 2014 Unsecured Debt [Member]	Sep. 30, 2014 Unsecured Debt [Member] Third Party [Member]	Sep. 30, 2014 Unsecured Debt [Member] Related Party [Member]	Sep. 30, 2014 Unsecured Debt [Member] Unsecured Senior Debt Six Point Five Percent [Member] Third Party [Member]	Sep. 30, 2014 Unsecured Debt [Member] Unsecured Senior Debt Five Point Six Two Five Percent [Member] Related Party [Member]	Sep. 30, 2014 Unsecured Debt [Member] Unsecured Senior Debt Five Point Seven Five Percent [Member] Third Party [Member]	Sep. 30, 2013 Unsecured Debt [Member] Unsecured Senior Debt Five Point Seven Five Percent [Member] Related Party [Member]	Sep. 30, 2014 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member]	Dec. 31, 2013 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member]	Sep. 30, 2014 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Unsecured Senior Debt Six Point Five Percent [Member]	Dec. 31, 2013 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Unsecured Senior Debt Six Point Five Percent [Member]	Sep. 30, 2014 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Unsecured Senior Debt Five Point Six Two Five Percent [Member]		Dec. 31, 2013 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Unsecured Senior Debt Five Point Six Two Five Percent [Member]		Sep. 30, 2014 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Unsecured Senior Debt Five Point Six Two Five Percent [Member] Third Party [Member]	Sep. 30, 2014 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Twenty-Fifteen Note at Ten Percent [Member]	Sep. 30, 2014 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Twenty-Fifteen Note at Ten Percent [Member] Third Party [Member]	Sep. 30, 2014 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Unsecured Senior Debt Five Point Seven Five Percent [Member]	Dec. 31, 2013 Unsecured Debt [Member] Caesars Entertainment Operating Company [Member] Unsecured Senior Debt Five Point Seven Five Percent [Member]	Sep. 30, 2014 Unsecured Debt [Member] Caesars Entertainment Resort Properties [Member]		Dec. 31, 2013 Unsecured Debt [Member] Caesars Entertainment Resort Properties [Member]		Sep. 30, 2014 Unsecured Debt [Member] Caesars Growth Partners, LLC [Member]		Dec. 31, 2013 Unsecured Debt [Member] Caesars Growth Partners, LLC [Member]		Sep. 30, 2014 Subsequent to Bank Amendment [Member]	Sep. 30, 2014 Capital Lease Obligations [Member] Caesars Entertainment Operating Company [Member]	Dec. 31, 2013 Capital Lease Obligations [Member] Caesars Entertainment Operating Company [Member]	Sep. 30, 2014 Capital Lease Obligations [Member] Caesars Entertainment Resort Properties [Member]	Dec. 31, 2013 Capital Lease Obligations [Member] Caesars Entertainment Resort Properties [Member]	Sep. 30, 2014 Capital Lease Obligations [Member] Caesars Growth Partners, LLC [Member]		Dec. 31, 2013 Capital Lease Obligations [Member] Caesars Growth Partners, LLC [Member]		Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member]	Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B Seven [Member]		Dec. 31, 2013 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B Seven [Member]		Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Senior Secured Revolving Facility [Member]	Dec. 31, 2013 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Senior Secured Revolving Facility [Member]	Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Credit Facilities Term Loans B5-B6 [Member]	Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B One [Member]	Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B Three [Member]	Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B Four [Member]		Dec. 31, 2013 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B Four [Member]		Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loans B Five [Member]		Dec. 31, 2013 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loans B Five [Member]		Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B Six [Member]		Dec. 31, 2013 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B Six [Member]		Sep. 30, 2014 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B One - B Three [Member]		Dec. 31, 2013 Medium-term Notes [Member] Caesars Entertainment Operating Company [Member] Term Loan B One - B Three [Member]		Sep. 30, 2014 Medium-term Notes [Member] Caesars Growth Partners, LLC [Member]		Dec. 31, 2013 Medium-term Notes [Member] Caesars Growth Partners, LLC [Member]		Sep. 30, 2014 Other Unsecured Borrowings Special Improvements District Bonds [Member] Caesars Entertainment Operating Company [Member]	Dec. 31, 2013 Other Unsecured Borrowings Special Improvements District Bonds [Member] Caesars Entertainment Operating Company [Member]	Sep. 30, 2014 Other Unsecured Borrowings Special Improvements District Bonds [Member] Caesars Growth Partners, LLC [Member]		Dec. 31, 2013 Other Unsecured Borrowings Special Improvements District Bonds [Member] Caesars Growth Partners, LLC [Member]		Sep. 30, 2014 Secured Debt [Member] Caesars Entertainment Operating Company [Member] Twenty-Seventeen Note at Eleven point Two Five Percent [Member]	Dec. 31, 2013 Secured Debt [Member] Caesars Entertainment Operating Company [Member] Twenty-Seventeen Note at Eleven point Two Five Percent [Member]	Sep. 30, 2014 Secured Debt [Member] Caesars Entertainment Resort Properties [Member]		Dec. 31, 2013 Secured Debt [Member] Caesars Entertainment Resort Properties [Member]		Sep. 30, 2014 Secured Debt [Member] Caesars Entertainment Resort Properties [Member] Senior Secured Revolving Facility [Member]		Dec. 31, 2013 Secured Debt [Member] Caesars Entertainment Resort Properties [Member] Senior Secured Revolving Facility [Member]		Sep. 30, 2014 Secured Debt [Member] Caesars Growth Partners, LLC [Member]		Jun. 30, 2014 Secured Debt [Member] Caesars Growth Partners, LLC [Member]		Dec. 31, 2013 Secured Debt [Member] Caesars Growth Partners, LLC [Member]		Sep. 30, 2014 Secured Debt [Member] Caesars Growth Partners, LLC [Member] Senior Secured Revolving Facility [Member]	Sep. 30, 2014 Revolving Credit Facility [Member] Caesars Entertainment Operating Company [Member]	Sep. 30, 2014 Revolving Credit Facility [Member] Caesars Entertainment Resort Properties [Member]	Sep. 30, 2014 First Lien Notes [Member] Caesars Entertainment Resort Properties [Member]		Dec. 31, 2013 First Lien Notes [Member] Caesars Entertainment Resort Properties [Member]		Sep. 30, 2014 Second Lien Notes [Member] Caesars Entertainment Resort Properties [Member]		Dec. 31, 2013 Second Lien Notes [Member] Caesars Entertainment Resort Properties [Member]		Sep. 30, 2014 Credit Facility Term Loan [Member] Caesars Growth Partners, LLC [Member] Second Lien Notes [Member]	Sep. 30, 2014 Twenty-Eighteen Note at Ten Percent [Member] Subordinated Debt [Member] Caesars Entertainment Operating Company [Member]	Dec. 31, 2013 Twenty-Eighteen Note at Ten Percent [Member] Subordinated Debt [Member] Caesars Entertainment Operating Company [Member]	Sep. 30, 2014 Twenty-Fifteen Note at Ten Percent [Member] Subordinated Debt [Member] Third Party [Member]	Sep. 30, 2014 Twenty-Fifteen Note at Ten Percent [Member] Subordinated Debt [Member] Related Party [Member]	Sep. 30, 2014 Twenty-Fifteen Note at Ten Percent [Member] Subordinated Debt [Member] Caesars Entertainment Operating Company [Member]	Dec. 31, 2013 Twenty-Fifteen Note at Ten Percent [Member] Subordinated Debt [Member] Caesars Entertainment Operating Company [Member]	Sep. 30, 2014 Parent [Member] Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 2,499.8		$ 2,499.8		$ 2,473.8
Long-term Debt, Fair Value	18,644.8		18,644.8
Long-term Debt	23,029.5		23,029.5		21,115.5		16,122.5	[1]	16,122.5	[1]			15,579.7	[1]			4,677.1	4,610.9		2,318.8	[2]	924.9	[2]								33.6	39.3	265.6	212.6	0	[3]	328.3	[3]				189.9	115.0	16.2	[4]	21.3	[4]	56.3	[2],[4]	57.6	[2],[4]		20.0	14.7	14.7	5.4	4.6	[2]	2.1	[2]		1,641.3	[5],[6]	0	[5],[6]						359.6	[5]	948.1	[5]	917.0	[5]	989.3	[5]	2,227.0	[5]	2,399.9	[5]	0	[3],[5]	29.0	[3],[5]	262.9	[2]	214.5	[2]	46.9	48.1	14.5	[2],[4]	14.8	[2],[4]	2,071.5	2,066.4	2,435.5	[7]	2,449.7	[7]	75.0	[7]	0	[7]	1,139.9	[2],[8]			0	[2],[8]	0			994.2	[7]	993.7	[7]	1,141.5	[7]	1,140.8	[7]	700.0	2,572.4	2,433.2			3.4	187.7
Current Portion of Long-Term Debt	140.6		140.6		197.1																																											47.7					(27.3)									17.5																													1.2																																						35.9
Debt Instrument, Annual Principal Payment																	25.0	25.0																																																																											18.3
Line of Credit Facility, Maximum Borrowing Capacity							106.1		106.1								269.5																																												5,464.8					106.1																																																	2,769.5																1,000.0
Line of Credit Facility, Fair Value of Amount Outstanding							0		0				285.4																																																					0	0
Debt Instrument, Original Face Amount																																																														1,750.0																																					2,500.0										1,175.0	[1]
Long-Term Debt Effecting Maturities																																																																				500.0
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year																																																														4.4
Debt Instrument, Repurchased Face Amount																																			791.8					190.0												82.4
Debt Instrument, Repurchase Amount																												747.4											44.4																																																																																								103.0	83.2
Cash paid for early extinguishments of debt			1,847.4	2,067.8																476.9								830.3																																	794.6								16.4	12.6	578.2				54.3				133.1																																																	190.9
Gain/(loss) on early extinguishment of debt	66.5	(13.0)	95.2	(17.5)																27.5				25.2															5.6		13.5																				22.2
Debt Instrument, Face Value	25,529.3		25,529.3				18,410.9	[1]	18,410.9	[1]							4,737.2			2,381.2	[2]				237.8		89.4		66.0		33.6		296.7		0	[3]						233.3		16.2	[4]			57.5	[2],[4]				20.0		14.7		4.6	[2]			5,358.7	1,745.6	[5],[6]								376.7	[5]			937.6	[5]			2,298.8	[5]			0	[3],[5]			272.5	[2]			46.9		14.5	[2],[4]			2,095.0		2,481.3	[7]			75.0	[7]			1,172.1	[2],[8]								1,000.0	[7]	1,000.0		1,150.0	[7]	1,150.0			4,502.1				3.8
Line of Credit Facility, Periodic Payment																																																														4.4
Long-term Debt, Maturities, Repayments of Principal in Year Three																																																													4,942.6
Line Of Credit Outstanding Amount Committed To Letters Of Credit							(98.3)		(98.3)								(75.0)																																																																																						0										0.1	98.3
Revolving Credit Facility, Remaining Borrowing Capacity																	194.5																																																	7.8																																																	269.5																260.4
Leverage Ratio For Line Of Credit Facility															7.25	4.75	6.32		8.0	3.14
Ratio excludes first priority senior secured notes							5,450.0		5,450.0		5,450.0	3,700.0
Amount Of Consolidated Debts Of Subsidiaries Excluded From Computation Of Leverage Ratio							350.0
Unrestricted Cash Excluded From Debt Covenant							1,479.9		1,479.9
Leverage ratio for senior secured debt							4.88		4.88
Early Repayment of Senior Debt																										77.7					77.7
Debt Conversion, Original Debt, Amount																														426.6
Debt Conversion, Converted Instrument, Amount																														368.0
Long-term Debt, Contingent Payment of Principal or Interest									In connection with the Note Transaction, CEOC and CEC also agreed that if no restructuring of CEOC is consummated within 18 months of the closing of the Notes Transaction, subject to certain conditions, CEC will be obligated to make an additional payment to CEOC of $35.0 million.
Term Loans Periodic Payments																																																																																																			6.3
Convertible Preferred Stock, Shares Issued upon Conversion	8,913		8,913
Derivative, Notional Amount						4,664.1
Repayments of Long-term Lines of Credit			$ 30.0	$ 0
Debt Instrument, Interest Rate																																	6.50%		5.625%							5.75%																				9.75%									10.50%				5.95%				6.95%				0.00%				8.25%				5.30%		5.30%				11.25%		7.00%				8.25%				6.25%									8.00%				11.00%					10.00%				10.00%

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

[2] 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.

[3] Repaid in the third quarter 2014.

[4] 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."

[5] Guaranteed by Caesars Entertainment.

[6] 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.

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

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