Condensed Consolidating Financial Information of Guarantors and Issuers - Condensed Consolidating Statement of Comprehensive Income/(Loss) (Detail) (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
Revenues
Casino																	$ 6,246.9		$ 6,394.5		$ 6,671.8
Food and beverage																	1,510.1		1,508.4		1,482.1
Rooms																	1,205.5		1,193.1		1,117.7
Management fees																	47.3		35.8		39.1
Other																	829.4		674.1		568.8
Less: casino promotional allowances																	(1,252.5)		(1,232.6)		(1,326.3)
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
Direct
Casino																	3,556.0		3,618.1		3,817.7
Food and beverage																	660.1		659.4		614.3
Rooms																	297.6		286.2		258.5
Property, general, administrative, and other																	2,103.8		2,086.9		2,029.7
Depreciation and amortization																	715.5		678.1		699.4
Write-downs, reserves, and project opening costs, net of recoveries																	106.2		73.8		149.7
Intangible and tangible asset impairment charges	448.2		419.0		33.0		167.5		5.7		27.1		0		0		1,067.7		32.8		184.0
Loss on interests in non-consolidated affiliates																	17.5		7.9		1.5
Loss/(income) 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
Amortization of intangible assets																	174.6		156.7		160.8
Total operating expenses																	8,900.1		7,757.0		8,070.1
(Loss)/income 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]
Gains on early extinguishments of debt																	136.0		47.9		115.6
Other income, including interest income																	25.5		25.3		41.0
(Loss)/income from continuing operations before income taxes																	(2,253.2)		(1,232.8)		(1,341.9)
Benefit/(provision) for income taxes																	870.5		534.7		492.5
Loss from continuing operations, net of income taxes																	(1,382.7)		(698.1)		(849.4)
Discontinued operations
(Loss)/income from discontinued operations			3.0		105.9		(15.4)		(12.8)		4.0		4.1		(15.5)		(59.4)		59.2		49.9
(Provision)/benefit for income taxes																	(50.1)		(27.8)		(23.8)
Income/(loss) from discontinued operations, net of income taxes																	(109.5)		31.4		26.1
Net (loss)/income	(465.9)	[1],[2]	(503.4)	[3],[4]	(241.8)	[3],[5]	(281.1)	[6],[7]	(195.4)	[1],[2]	(173.4)	[3],[4]	(153.1)	[3],[5]	(144.8)	[6],[7]	(1,492.2)		(666.7)		(823.3)
Less: net income attributable to non-controlling interests																	(5.3)		(20.9)		(7.8)
Net (loss)/income attributable to Caesars	(469.7)	[1],[2]	(505.5)	[3],[4]	(241.7)	[3],[5]	(280.6)	[6],[7]	(220.6)	[1],[2]	(164.0)	[3],[4]	(155.5)	[3],[5]	(147.5)	[6],[7]	(1,497.5)		(687.6)		(831.1)
Other comprehensive income/(loss), net of income taxes:
Total other comprehensive (loss)/income, net of income taxes																	26.6		73.7		(39.0)
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes																	(1.1)		(1.3)		4.2
Comprehensive (loss)/income attributable to Caesars																	(1,472.0)		(615.2)		(865.9)
CEC (Parent Guarantor) [Member]
Revenues
Casino																	0		0		0
Food and beverage																	0		0		0
Rooms																	0		0		0
Management fees																	0		0		0
Other																	0		0		0
Less: casino promotional allowances																	0		0		0
Net revenues																	0		0		0
Direct
Casino																	0		0		0
Food and beverage																	0		0		0
Rooms																	0		0		0
Property, general, administrative, and other																	0		0		0
Depreciation and amortization																	0		0		0
Write-downs, reserves, and project opening costs, net of recoveries																	15.0		0		0
Intangible and tangible asset impairment charges																	0		0		0
Loss on interests in non-consolidated affiliates																	0		0		0
Loss/(income) 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
Amortization of intangible assets																	0		0		0
Total operating expenses																	1,507.5		716.2		840.6
(Loss)/income from operations																	(1,507.5)		(716.2)		(840.6)
Interest expense, net of interest capitalized																	(1.0)		0		(3.1)
Gains on early extinguishments of debt																	0		0		0
Other income, including interest income																	18.3		25.5		4.5
(Loss)/income from continuing operations before income taxes																	(1,490.2)		(690.7)		(839.2)
Benefit/(provision) for income taxes																	9.1		3.1		8.1
Loss from continuing operations, net of income taxes																	(1,481.1)		(687.6)		(831.1)
Discontinued operations
(Loss)/income from discontinued operations																	0		0		0
(Provision)/benefit for income taxes																	0		0		0
Income/(loss) from discontinued operations, net of income taxes																	0		0		0
Net (loss)/income																	(1,481.1)		(687.6)		(831.1)
Less: net income attributable to non-controlling interests																	0		0		0
Net (loss)/income attributable to Caesars																	(1,481.1)		(687.6)		(831.1)
Other comprehensive income/(loss), net of income taxes:
Total other comprehensive (loss)/income, net of income taxes																	0		0		0
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes																	0		0		0
Comprehensive (loss)/income attributable to Caesars																	(1,481.1)		(687.6)		(831.1)
Subsidiary Issuer [Member]
Revenues
Casino																	53.9		62.6		67.9
Food and beverage																	12.5		14.2		18.6
Rooms																	17.8		16.7		17.8
Management fees																	3.9		0		2.6
Other																	54.0		46.5		47.2
Less: casino promotional allowances																	(19.0)		(19.0)		(23.6)
Net revenues																	123.1		121.0		130.5
Direct
Casino																	37.7		40.9		45.3
Food and beverage																	5.9		6.7		7.8
Rooms																	1.7		2.0		2.1
Property, general, administrative, and other																	23.5		54.2		52.7
Depreciation and amortization																	6.7		6.8		7.3
Write-downs, reserves, and project opening costs, net of recoveries																	12.1		46.6		27.9
Intangible and tangible asset impairment charges																	0		0		0
Loss on interests in non-consolidated affiliates																	0		0		0
Loss/(income) on interests in subsidiaries																	460.8		(421.9)		(295.8)
Corporate expense																	126.1		98.4		85.6
Acquisition and integration costs																	4.8		1.0		1.9
Amortization of intangible assets																	0.7		0.7		0.7
Total operating expenses																	680.0		(164.6)		(64.5)
(Loss)/income from operations																	(556.9)		285.6		195.0
Interest expense, net of interest capitalized																	(1,934.2)		(1,953.3)		(1,712.2)
Gains on early extinguishments of debt																	0		0		(4.7)
Other income, including interest income																	79.2		70.7		93.3
(Loss)/income from continuing operations before income taxes																	(2,411.9)		(1,597.0)		(1,428.6)
Benefit/(provision) for income taxes																	732.0		776.8		642.2
Loss from continuing operations, net of income taxes																	(1,679.9)		(820.2)		(786.4)
Discontinued operations
(Loss)/income from discontinued operations																	0		0		0
(Provision)/benefit for income taxes																	0		0		0
Income/(loss) from discontinued operations, net of income taxes																	0		0		0
Net (loss)/income																	(1,679.9)		(820.2)		(786.4)
Less: net income attributable to non-controlling interests																	0		0		0
Net (loss)/income attributable to Caesars																	(1,679.9)		(820.2)		(786.4)
Other comprehensive income/(loss), net of income taxes:
Total other comprehensive (loss)/income, net of income taxes																	(25.0)		112.9		(77.4)
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes																	0		0		0
Comprehensive (loss)/income attributable to Caesars																	(1,704.9)		(707.3)		(863.8)
Subsidiary Guarantors of Parent and Subsidiary Guaranteed Debt [Member]
Revenues
Casino																	3,875.5		3,952.2		4,241.5
Food and beverage																	812.8		820.7		823.6
Rooms																	626.3		605.8		577.0
Management fees																	56.2		66.1		61.1
Other																	375.5		380.0		354.6
Less: casino promotional allowances																	(744.3)		(725.6)		(807.8)
Net revenues																	5,002.0		5,099.2		5,250.0
Direct
Casino																	2,204.8		2,243.8		2,402.5
Food and beverage																	330.9		337.8		317.3
Rooms																	140.4		133.3		120.7
Property, general, administrative, and other																	1,165.8		1,235.7		1,261.6
Depreciation and amortization																	445.4		427.5		452.5
Write-downs, reserves, and project opening costs, net of recoveries																	57.1		24.6		90.8
Intangible and tangible asset impairment charges																	1,064.7		11.0		178.0
Loss on interests in non-consolidated affiliates																	0.5		1.8		2.1
Loss/(income) on interests in subsidiaries																	(6.6)		(44.7)		(33.0)
Corporate expense																	32.0		22.3		21.6
Acquisition and integration costs																	0		1.1		4.4
Amortization of intangible assets																	102.3		93.6		97.9
Total operating expenses																	5,537.3		4,487.8		4,916.4
(Loss)/income from operations																	(535.3)		611.4		333.6
Interest expense, net of interest capitalized																	(55.5)		(50.2)		(96.5)
Gains on early extinguishments of debt																	0		0		0
Other income, including interest income																	21.2		17.6		59.8
(Loss)/income from continuing operations before income taxes																	(569.6)		578.8		296.9
Benefit/(provision) for income taxes																	174.4		(215.3)		(119.7)
Loss from continuing operations, net of income taxes																	(395.2)		363.5		177.2
Discontinued operations
(Loss)/income from discontinued operations																	62.1		75.3		65.6
(Provision)/benefit for income taxes																	(29.1)		(13.4)		(11.8)
Income/(loss) from discontinued operations, net of income taxes																	33.0		61.9		53.8
Net (loss)/income																	(362.2)		425.4		231.0
Less: net income attributable to non-controlling interests																	0		0		0
Net (loss)/income attributable to Caesars																	(362.2)		425.4		231.0
Other comprehensive income/(loss), net of income taxes:
Total other comprehensive (loss)/income, net of income taxes																	0		0		0
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes																	0		0		0
Comprehensive (loss)/income attributable to Caesars																	(362.2)		425.4		231.0
Subsidiary Non-Guarantors of Parent and Subsidiary Guaranteed Debt [Member]
Revenues
Casino																	2,317.5		2,379.7		2,362.4
Food and beverage																	684.8		673.5		639.9
Rooms																	561.4		570.6		522.9
Management fees																	11.6		3.0		1.5
Other																	580.3		393.1		332.9
Less: casino promotional allowances																	(489.2)		(488.0)		(494.9)
Net revenues																	3,666.4		3,531.9		3,364.7
Direct
Casino																	1,313.5		1,333.4		1,369.9
Food and beverage																	323.3		314.9		289.2
Rooms																	155.5		150.9		135.7
Property, general, administrative, and other																	1,073.2		937.5		856.2
Depreciation and amortization																	263.4		243.8		239.6
Write-downs, reserves, and project opening costs, net of recoveries																	22.0		2.6		31.0
Intangible and tangible asset impairment charges																	3.0		21.8		6.0
Loss on interests in non-consolidated affiliates																	17.0		6.1		(0.6)
Loss/(income) on interests in subsidiaries																	0		0		0
Corporate expense																	54.9		47.7		61.6
Acquisition and integration costs																	1.3		2.1		6.5
Amortization of intangible assets																	71.6		62.4		62.2
Total operating expenses																	3,298.7		3,123.2		3,057.3
(Loss)/income from operations																	367.7		408.7		307.4
Interest expense, net of interest capitalized																	(337.6)		(328.6)		(392.6)
Gains on early extinguishments of debt																	136.0		47.9		120.3
Other income, including interest income																	159.0		134.2		106.2
(Loss)/income from continuing operations before income taxes																	325.1		262.2		141.3
Benefit/(provision) for income taxes																	(88.5)		(46.0)		(52.2)
Loss from continuing operations, net of income taxes																	236.6		216.2		89.1
Discontinued operations
(Loss)/income from discontinued operations																	(121.5)		(16.1)		(15.7)
(Provision)/benefit for income taxes																	13.7		1.7		2.1
Income/(loss) from discontinued operations, net of income taxes																	(107.8)		(14.4)		(13.6)
Net (loss)/income																	128.8		201.8		75.5
Less: net income attributable to non-controlling interests																	(5.3)		(20.9)		(7.8)
Net (loss)/income attributable to Caesars																	123.5		180.9		67.7
Other comprehensive income/(loss), net of income taxes:
Total other comprehensive (loss)/income, net of income taxes																	(45.0)		(39.2)		38.4
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes																	(1.1)		(1.3)		4.2
Comprehensive (loss)/income attributable to Caesars																	77.4		140.4		110.3
Subsidiary Non-Guarantors of Parent-Only Guaranteed Debt [Member]
Revenues
Casino																	6,193.0		6,331.9		6,603.9
Food and beverage																	1,497.6		1,494.2		1,463.5
Rooms																	1,187.7		1,176.4		1,099.9
Management fees																	67.8		69.1		62.6
Other																	955.8		773.1		687.5
Less: casino promotional allowances																	(1,233.5)		(1,213.6)		(1,302.7)
Net revenues																	8,668.4		8,631.1		8,614.7
Direct
Casino																	3,518.3		3,577.2		3,772.4
Food and beverage																	654.2		652.7		606.5
Rooms																	295.9		284.2		256.4
Property, general, administrative, and other																	2,239.0		2,173.2		2,117.8
Depreciation and amortization																	708.8		671.3		692.1
Write-downs, reserves, and project opening costs, net of recoveries																	79.1		27.2		121.8
Intangible and tangible asset impairment charges																	1,067.7		32.8		184.0
Loss on interests in non-consolidated affiliates																	17.5		7.9		1.5
Loss/(income) on interests in subsidiaries																	(6.6)		(44.7)		(33.0)
Corporate expense																	86.9		70.0		83.2
Acquisition and integration costs																	1.3		3.2		10.9
Amortization of intangible assets																	173.9		156.0		160.1
Total operating expenses																	8,836.0		7,611.0		7,973.7
(Loss)/income from operations																	(167.6)		1,020.1		641.0
Interest expense, net of interest capitalized																	(393.1)		(378.8)		(489.1)
Gains on early extinguishments of debt																	136.0		47.9		120.3
Other income, including interest income																	180.2		151.8		166.0
(Loss)/income from continuing operations before income taxes																	(244.5)		841.0		438.2
Benefit/(provision) for income taxes																	85.9		(261.3)		(171.9)
Loss from continuing operations, net of income taxes																	(158.6)		579.7		266.3
Discontinued operations
(Loss)/income from discontinued operations																	(59.4)		59.2		49.9
(Provision)/benefit for income taxes																	(15.4)		(11.7)		(9.7)
Income/(loss) from discontinued operations, net of income taxes																	(74.8)		47.5		40.2
Net (loss)/income																	(233.4)		627.2		306.5
Less: net income attributable to non-controlling interests																	(5.3)		(20.9)		(7.8)
Net (loss)/income attributable to Caesars																	(238.7)		606.3		298.7
Other comprehensive income/(loss), net of income taxes:
Total other comprehensive (loss)/income, net of income taxes																	(45.0)		(39.2)		38.4
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes																	(1.1)		(1.3)		4.2
Comprehensive (loss)/income attributable to Caesars																	(284.8)		565.8		341.3
Consolidating/ Eliminating Adjustments [Member]
Revenues
Casino																	0		0		0
Food and beverage																	0		0		0
Rooms																	0		0		0
Management fees																	(24.4)		(33.3)		(26.1)
Other																	(180.4)		(145.5)		(165.9)
Less: casino promotional allowances																	0		0		0
Net revenues																	(204.8)		(178.8)		(192.0)
Direct
Casino																	0		0		0
Food and beverage																	0		0		0
Rooms																	0		0		0
Property, general, administrative, and other																	(158.7)		(140.5)		(140.8)
Depreciation and amortization																	0		0		0
Write-downs, reserves, and project opening costs, net of recoveries																	0		0		0
Intangible and tangible asset impairment charges																	0		0		0
Loss on interests in non-consolidated affiliates																	0		0		0
Loss/(income) on interests in subsidiaries																	(1,918.5)		(226.8)		(487.7)
Corporate expense																	(46.2)		(38.3)		(51.2)
Acquisition and integration costs																	0		0		0
Amortization of intangible assets																	0		0		0
Total operating expenses																	(2,123.4)		(405.6)		(679.7)
(Loss)/income from operations																	1,918.6		226.8		487.7
Interest expense, net of interest capitalized																	227.0		209.8		222.8
Gains on early extinguishments of debt																	0		0		0
Other income, including interest income																	(252.2)		(222.7)		(222.8)
(Loss)/income from continuing operations before income taxes																	1,893.4		213.9		487.7
Benefit/(provision) for income taxes																	43.5		16.1		14.1
Loss from continuing operations, net of income taxes																	1,936.9		230.0		501.8
Discontinued operations
(Loss)/income from discontinued operations																	0		0		0
(Provision)/benefit for income taxes																	(34.7)		(16.1)		(14.1)
Income/(loss) from discontinued operations, net of income taxes																	(34.7)		(16.1)		(14.1)
Net (loss)/income																	1,902.2		213.9		487.7
Less: net income attributable to non-controlling interests																	0		0		0
Net (loss)/income attributable to Caesars																	1,902.2		213.9		487.7
Other comprehensive income/(loss), net of income taxes:
Total other comprehensive (loss)/income, net of income taxes																	96.6		0		0
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes																	0		0		0
Comprehensive (loss)/income attributable to Caesars																	$ 1,998.8		$ 213.9		$ 487.7

[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.