Schedule I Schedule I - CONDENSED STATEMENT OF COMPREHENSIVE INCOME (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Net revenues	$ 2,016.8	[1],[2]	$ 2,197.4	[3],[4]	$ 2,165.0	[3],[5]	$ 2,207.5	[6],[7]	$ 2,108.2	[1],[2]	$ 2,188.9	[3],[4]	$ 2,160.9	[3],[5]	$ 2,115.3	[6],[7]	$ 8,586.7		$ 8,573.3		$ 8,553.2
Operating expenses
Write-downs, reserves, and project opening costs, net of recoveries																	106.2		73.8		149.7
Loss on interests in subsidiaries																	0		0		0
Corporate expense																	195.0		152.8		140.9
Acquisition and integration costs																	6.1		4.3		13.6
Total operating expenses																	8,900.1		7,757.0		8,070.1
Loss from operations	(343.6)	[1],[2]	(217.6)	[3],[4]	187.7	[3],[5]	60.1	[6],[7]	198.8	[1],[2]	183.8	[3],[4]	235.7	[3],[5]	198.0	[6],[7]	(313.4)		816.3		483.1
Interest expense, net of interest capitalized																	(2,101.3)	[8]	(2,122.3)	[8]	(1,981.6)	[8]
Other income, including interest income																	25.5		25.3		41.0
Loss from operations before income taxes																	(2,253.2)		(1,232.8)		(1,341.9)
Provision for income taxes																	870.5		534.7		492.5
Net loss																	(1,382.7)		(698.1)		(849.4)
Other comprehensive income/(loss), net of income taxes																	26.6		73.7		(39.0)
Comprehensive loss																	(1,472.0)		(615.2)		(865.9)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues																	0		0		0
Operating expenses
Write-downs, reserves, and project opening costs, net of recoveries																	15.0		0		0
Loss on interests in subsidiaries																	1,464.3		693.4		816.5
Corporate expense																	28.2		22.7		23.3
Acquisition and integration costs																	0		0.1		0.8
Total operating expenses																	1,507.5		716.2		840.6
Loss from operations																	(1,507.5)		(716.2)		(840.6)
Interest expense, net of interest capitalized																	(1.0)		0		(3.1)
Other income, including interest income																	18.3		25.5		4.5
Loss from operations before income taxes																	(1,490.2)		(690.7)		(839.2)
Provision for income taxes																	9.1		3.1		8.1
Net loss																	(1,481.1)		(687.6)		(831.1)
Other comprehensive income/(loss), net of income taxes																	0		0		0
Comprehensive loss																	$ (1,481.1)		$ (687.6)		$ (831.1)

[1] Amounts presented for the fourth quarter of 2011 have been recast to give effect to the Harrah's St. Louis casino disposition and the held for sale status of the subsidiaries that hold the Company's land concession in Macau as further discussed in Note 3, "Acquisitions, Investments, Dispositions and Divestitures." The table below recasts the amounts as originally presented in our Note 24, "Quarterly Results of Operations (Unaudited)" included in Item 8 of our 2011 Form 10-K.Recast for discontinued operationsFourth Quarter(In millions)2011Net revenues as reported$2,172.4Less net revenues attributable to discontinued operations(64.2)Net revenues as recasted$2,108.2Income from operations as reported$211.6Less income from operations attributable to discontinued operations(12.8)Income from operations as recasted$198.8

[2] During the fourth quarter of 2012 the Company recorded impairments of $448.2 million. During the fourth quarter of 2011, the Company recorded impairments of $5.7 million

[3] Amounts presented for the second and third quarters of 2012 and 2011 have been recast to give effect to the held for sale status of the subsidiaries that hold the Company's land concession in Macau as further discussed in Note 3, "Acquisitions, Investments, Dispositions and Divestitures." The table below recasts amounts as originally presented in our Consolidated Condensed Statements of Comprehensive Loss for the respective periods included in our Quarterly Report on Form 10-Q for the Quarterly Period Ended June 30, 2012 or our Quarterly Report on Form 10-Q for the Quarterly Period Ended September 30, 2012, as appropriate.Recast for discontinued operationsSecond Quarter Third Quarter(In millions) 2012 (a) 2011 2012 2011Net revenues as reported$2,165.7 $2,161.7 $2,198.4 $2,189.7Less net revenues attributable to discontinued operations(0.7) (0.8) (1.0) (0.8)Net revenues as recasted$2,165.0 $2,160.9 $2,197.4 $2,188.9Income/(loss) from operations as reported (a)$81.8 $231.6 $(220.6) $179.8Less loss from operations attributable to discontinued operations (a)105.9 4.1 3.0 4.0Income/(loss) from operations as recasted$187.7 $235.7 $(217.6) $183.8(a) The amounts shown for the second quarter of 2012 include an impairment of $101.0 million related to the Company's land concession in Macau.

[4] During the third quarter of 2012, the Company recorded impairments of $419.0 million. During the third quarter of 2011, the Company recorded impairments of $27.1 million.

[5] During the second quarter of 2012, the Company recorded impairments of $33.0 million. There were no impairments recorded in the second quarter of 2011.

[6] During the first quarter of 2012, the Company recorded impairments of $167.5 million. There were no impairments recorded in the first quarter of 2011.

[7] Amounts presented for the first quarter of 2012 and 2011 have been recast to give effect to the Harrah's St. Louis casino disposition and the held for sale status of the subsidiaries that hold the Company's land concession in Macau as further discussed in Note 3, "Acquisitions, Investments, Dispositions and Divestitures." The table below recasts amounts as originally presented in our Consolidated Condensed Statements of Comprehensive Loss for the respective periods included in our Quarterly Report on Form 10-Q for the Quarterly Period Ended March 31, 2012.Recast for discontinued operationsFirst Quarter(In millions)2012 2011Net revenues as reported$2,271.9 $2,179.0Less net revenues attributable to discontinued operations(64.4) (63.7)Net revenues as recasted$2,207.5 $2,115.3Income from operations as reported$75.5 $213.5Less income from operations attributable to discontinued operations(15.4) (15.5)Income from operations as recasted$60.1 $198.0

[8] Interest capitalized in 2012, 2011, and 2010 was $38.2 million, $22.8 million, and $1.4 million, respectively.