Caesars Growth Partners Transaction (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013	Dec. 31, 2013
Debt Instrument, Unamortized Discount	$ 2,499.8			$ 2,499.8			$ 2,473.8
Net revenues	2,212.4		2,087.4	6,385.2		6,216.0
Net Income (Loss) Attributable to Parent	(908.1)		(761.4)	(1,761.0)		(1,191.3)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders				159.7
Debt Instrument - Additional Unamortized Discount	(88.9)	[1]		(88.9)	[1]
Debt Instrument, Face Amount	25,529.3			25,529.3
Caesars Acquisition Company [Member]
Debt Instrument, Unamortized Discount	129.2			129.2
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member]
Net revenues	485.8			1,064.6
Net Income (Loss) Attributable to Parent	32.0			119.0
Contingently Issuable Membership Units [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member]
Business Combination, Contingent Consideration, Liability	225.0			225.0
Contingent Consideration Classified as Equity, Fair Value Disclosure	298.6			298.6			306.5
Caesars Entertainment Operating Company [Member]
Net revenues				3,939.1
Debt Instrument, Face Amount	18,410.9	[2]		18,410.9	[2]
Unsecured Debt [Member] | Caesars Acquisition Company [Member]
Debt Instrument, Face Amount	288.9			288.9
Unsecured Debt [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument, Face Amount	33.6			33.6
Unsecured Debt [Member] | Unsecured Senior Debt Six Point Five Percent [Member] | Caesars Entertainment Operating Company [Member]
Dividends Paid to Parent Company by Consolidated Subsidiaries				187.0
Payments of Distributions to Affiliates				137.5
Debt Instrument, Face Amount	296.7			296.7
Unsecured Debt [Member] | Unsecured Senior Debt Five Point Seven Five Percent [Member] | Caesars Entertainment Operating Company [Member]
Dividends Paid to Parent Company by Consolidated Subsidiaries				206.1
Payments of Distributions to Affiliates				151.4
Debt Instrument, Face Amount	233.3			233.3
Noncontrolling Interest [Member]
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders				$ 159.7

[1] 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."

[2] $4.3 million face value of debt issued by CEOC is held by other consolidated entities