Condensed Consolidating Financial Information of Guarantors and Issuers - Condensed Consolidating Statement of Comprehensive (Loss)/Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues
Casino	$ 1,495.1	$ 1,625.0
Food and beverage	380.1	382.1
Rooms	288.2	303.8
Management fees	10.7	9.6
Other	262.9	195.4
Less: casino promotional allowances	(293.8)	(309.8)
Net revenues	2,143.2	2,206.1
Direct
Casino	834.7	924.8
Food and beverage	165.2	161.8
Rooms	73.3	75.1
Property, general, administrative, and other	581.5	510.8
Depreciation and amortization	161.7	179.5
Write-downs, reserves, and project opening costs, net of recoveries	20.7	16.2
Intangible and tangible asset impairment charges	20.0	174.0
(Income)/loss on interests in non-consolidated affiliates	2.6	7.1
Loss/(income) on interests in subsidiaries	0	0
Corporate expense	36.1	52.2
Acquisition and integration costs	64.2	0.1
Amortization of intangible assets	41.4	43.2
Total operating expenses	2,001.4	2,144.8
(Loss)/income from operations	141.8	61.3
Interest expense, net of interest capitalized	(574.7)	(562.0)
Gains on early extinguishments of debt	(36.7)	45.8
Other income, including interest income	3.7	8.2
(Loss)/income from continuing operations before income taxes	(465.9)	(446.7)
Benefit for income taxes	290.2	158.3
Loss from continuing operations, net of income taxes	(175.7)	(288.4)
Discontinued operations
(Loss)/income from discontinued operations	(43.8)	14.2
(Provision)/benefit for income taxes	2.8	(6.9)
Income/(loss) from discontinued operations, net of income taxes	(41.0)	7.3
Net (loss)/income	(216.7)	(281.1)
Less: net (income)/loss attributable to non-controlling interests	(0.9)	0.5
Net (loss)/income attributable to Caesars	(217.6)	(280.6)
Other comprehensive (loss)/income:
Total other comprehensive (loss)/income, net of income taxes	(13.0)	9.3
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes	0	(1.0)
Comprehensive (loss)/income attributable to Caesars	(230.6)	(272.3)
CEC (Parent Guarantor) [Member]
Revenues
Casino	0	0
Food and beverage	0	0
Rooms	0	0
Management fees	0	0
Other	0	0
Less: casino promotional allowances	0	0
Net revenues	0	0
Direct
Casino	0	0
Food and beverage	0	0
Rooms	0	0
Property, general, administrative, and other	0	0
Depreciation and amortization	0	0
Write-downs, reserves, and project opening costs, net of recoveries	0	0
Intangible and tangible asset impairment charges	0	0
(Income)/loss on interests in non-consolidated affiliates	0	0
Loss/(income) on interests in subsidiaries	220.7	280.3
Corporate expense	1.7	5.7
Acquisition and integration costs	0	0
Amortization of intangible assets	0	0
Total operating expenses	222.4	286.0
(Loss)/income from operations	(222.4)	(286.0)
Interest expense, net of interest capitalized	(0.6)	0
Gains on early extinguishments of debt	0	0
Other income, including interest income	12.6	5.2
(Loss)/income from continuing operations before income taxes	(210.4)	(280.8)
Benefit for income taxes	(0.8)	0.2
Loss from continuing operations, net of income taxes	(211.2)	(280.6)
Discontinued operations
(Loss)/income from discontinued operations	0	0
(Provision)/benefit for income taxes	0	0
Income/(loss) from discontinued operations, net of income taxes	0	0
Net (loss)/income	(211.2)	(280.6)
Less: net (income)/loss attributable to non-controlling interests	0	0
Net (loss)/income attributable to Caesars	(211.2)	(280.6)
Other comprehensive (loss)/income:
Total other comprehensive (loss)/income, net of income taxes	0	0
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes		0
Comprehensive (loss)/income attributable to Caesars	(211.2)	(280.6)
Subsidiary Issuer [Member]
Revenues
Casino	12.0	10.3
Food and beverage	2.8	2.7
Rooms	3.3	3.2
Management fees	(1.7)	0.1
Other	13.3	14.0
Less: casino promotional allowances	(3.6)	(3.7)
Net revenues	26.1	26.6
Direct
Casino	8.5	8.2
Food and beverage	1.3	1.4
Rooms	0.5	0.3
Property, general, administrative, and other	4.3	9.7
Depreciation and amortization	1.2	1.7
Write-downs, reserves, and project opening costs, net of recoveries	0	3.1
Intangible and tangible asset impairment charges	0	0
(Income)/loss on interests in non-consolidated affiliates	0	0
Loss/(income) on interests in subsidiaries	(131.7)	4.5
Corporate expense	30.3	37.7
Acquisition and integration costs	11.5	0
Amortization of intangible assets	0.2	0.2
Total operating expenses	(73.9)	66.8
(Loss)/income from operations	100.0	(40.2)
Interest expense, net of interest capitalized	(515.1)	(509.0)
Gains on early extinguishments of debt	(29.4)	0
Other income, including interest income	17.2	14.9
(Loss)/income from continuing operations before income taxes	(427.3)	(534.3)
Benefit for income taxes	204.7	185.2
Loss from continuing operations, net of income taxes	(222.6)	(349.1)
Discontinued operations
(Loss)/income from discontinued operations	0	0
(Provision)/benefit for income taxes	0	0
Income/(loss) from discontinued operations, net of income taxes	0	0
Net (loss)/income	(222.6)	(349.1)
Less: net (income)/loss attributable to non-controlling interests	0	0
Net (loss)/income attributable to Caesars	(222.6)	(349.1)
Other comprehensive (loss)/income:
Total other comprehensive (loss)/income, net of income taxes	(13.1)	(12.2)
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes		0
Comprehensive (loss)/income attributable to Caesars	(235.7)	(361.3)
Subsidiary Guarantors of Parent and Subsidiary Guaranteed Debt [Member]
Revenues
Casino	914.5	1,007.0
Food and beverage	204.4	205.3
Rooms	149.2	157.2
Management fees	16.7	16.6
Other	89.4	100.1
Less: casino promotional allowances	(171.2)	(183.1)
Net revenues	1,203.0	1,303.1
Direct
Casino	521.7	575.5
Food and beverage	85.2	82.0
Rooms	34.7	35.1
Property, general, administrative, and other	295.3	292.9
Depreciation and amortization	100.8	108.5
Write-downs, reserves, and project opening costs, net of recoveries	4.7	9.5
Intangible and tangible asset impairment charges	20.0	167.5
(Income)/loss on interests in non-consolidated affiliates	(0.1)	(0.1)
Loss/(income) on interests in subsidiaries	4.1	12.4
Corporate expense	1.7	6.5
Acquisition and integration costs	0.2	0
Amortization of intangible assets	22.1	23.2
Total operating expenses	1,090.4	1,313.0
(Loss)/income from operations	112.6	(9.9)
Interest expense, net of interest capitalized	(14.7)	(7.7)
Gains on early extinguishments of debt	0	0
Other income, including interest income	5.1	5.4
(Loss)/income from continuing operations before income taxes	103.0	(12.2)
Benefit for income taxes	67.7	(1.0)
Loss from continuing operations, net of income taxes	170.7	(13.2)
Discontinued operations
(Loss)/income from discontinued operations	(0.8)	19.1
(Provision)/benefit for income taxes	0.4	(3.4)
Income/(loss) from discontinued operations, net of income taxes	(0.4)	15.7
Net (loss)/income	170.3	2.5
Less: net (income)/loss attributable to non-controlling interests	0	0
Net (loss)/income attributable to Caesars	170.3	2.5
Other comprehensive (loss)/income:
Total other comprehensive (loss)/income, net of income taxes	0	0
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes		0
Comprehensive (loss)/income attributable to Caesars	170.3	2.5
Subsidiary Non-Guarantors of Parent and Subsidiary Guaranteed Debt [Member]
Revenues
Casino	568.6	607.7
Food and beverage	172.9	174.1
Rooms	135.7	143.4
Management fees	4.6	1.1
Other	205.7	126.6
Less: casino promotional allowances	(119.0)	(123.0)
Net revenues	968.5	929.9
Direct
Casino	304.5	341.1
Food and beverage	78.7	78.4
Rooms	38.1	39.7
Property, general, administrative, and other	325.0	249.4
Depreciation and amortization	59.7	69.3
Write-downs, reserves, and project opening costs, net of recoveries	16.0	3.6
Intangible and tangible asset impairment charges	0	6.5
(Income)/loss on interests in non-consolidated affiliates	2.7	7.2
Loss/(income) on interests in subsidiaries	0	0
Corporate expense	13.8	14.6
Acquisition and integration costs	52.5	0.1
Amortization of intangible assets	19.1	19.8
Total operating expenses	910.1	829.7
(Loss)/income from operations	58.4	100.2
Interest expense, net of interest capitalized	(101.6)	(95.2)
Gains on early extinguishments of debt	(7.3)	45.8
Other income, including interest income	44.0	32.6
(Loss)/income from continuing operations before income taxes	(6.5)	83.4
Benefit for income taxes	15.2	(30.1)
Loss from continuing operations, net of income taxes	8.7	53.3
Discontinued operations
(Loss)/income from discontinued operations	(43.0)	(4.9)
(Provision)/benefit for income taxes	2.4	0.5
Income/(loss) from discontinued operations, net of income taxes	(40.6)	(4.4)
Net (loss)/income	(31.9)	48.9
Less: net (income)/loss attributable to non-controlling interests	(0.9)	0.5
Net (loss)/income attributable to Caesars	(32.8)	49.4
Other comprehensive (loss)/income:
Total other comprehensive (loss)/income, net of income taxes	60.0	21.5
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes		(1.0)
Comprehensive (loss)/income attributable to Caesars	27.2	69.9
Subsidiary Non-Guarantors of Parent-Only Guaranteed Debt [Member]
Revenues
Casino	1,483.1	1,614.7
Food and beverage	377.3	379.4
Rooms	284.9	300.6
Management fees	21.3	17.7
Other	295.1	226.7
Less: casino promotional allowances	(290.2)	(306.1)
Net revenues	2,171.5	2,233.0
Direct
Casino	826.2	916.6
Food and beverage	163.9	160.4
Rooms	72.8	74.8
Property, general, administrative, and other	620.3	542.3
Depreciation and amortization	160.5	177.8
Write-downs, reserves, and project opening costs, net of recoveries	20.7	13.1
Intangible and tangible asset impairment charges	20.0	174.0
(Income)/loss on interests in non-consolidated affiliates	2.6	7.1
Loss/(income) on interests in subsidiaries	4.1	12.4
Corporate expense	15.5	21.1
Acquisition and integration costs	52.7	0.1
Amortization of intangible assets	41.2	43.0
Total operating expenses	2,000.5	2,142.7
(Loss)/income from operations	171.0	90.3
Interest expense, net of interest capitalized	(116.3)	(102.9)
Gains on early extinguishments of debt	(7.3)	45.8
Other income, including interest income	49.1	38.0
(Loss)/income from continuing operations before income taxes	96.5	71.2
Benefit for income taxes	82.9	(31.1)
Loss from continuing operations, net of income taxes	179.4	40.1
Discontinued operations
(Loss)/income from discontinued operations	(43.8)	14.2
(Provision)/benefit for income taxes	2.8	(2.9)
Income/(loss) from discontinued operations, net of income taxes	(41.0)	11.3
Net (loss)/income	138.4	51.4
Less: net (income)/loss attributable to non-controlling interests	(0.9)	0.5
Net (loss)/income attributable to Caesars	137.5	51.9
Other comprehensive (loss)/income:
Total other comprehensive (loss)/income, net of income taxes	60.0	21.5
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes		(1.0)
Comprehensive (loss)/income attributable to Caesars	197.5	72.4
Consolidating/ Eliminating Adjustments [Member]
Revenues
Casino	0	0
Food and beverage	0	0
Rooms	0	0
Management fees	(8.9)	(8.2)
Other	(45.5)	(45.3)
Less: casino promotional allowances	0	0
Net revenues	(54.4)	(53.5)
Direct
Casino	0	0
Food and beverage	0	0
Rooms	0	0
Property, general, administrative, and other	(43.1)	(41.2)
Depreciation and amortization	0	0
Write-downs, reserves, and project opening costs, net of recoveries	0	0
Intangible and tangible asset impairment charges	0	0
(Income)/loss on interests in non-consolidated affiliates	0	0
Loss/(income) on interests in subsidiaries	(93.1)	(297.2)
Corporate expense	(11.4)	(12.3)
Acquisition and integration costs	0	0
Amortization of intangible assets	0	0
Total operating expenses	(147.6)	(350.7)
(Loss)/income from operations	93.2	297.2
Interest expense, net of interest capitalized	57.3	49.9
Gains on early extinguishments of debt	0	0
Other income, including interest income	(75.2)	(49.9)
(Loss)/income from continuing operations before income taxes	75.3	297.2
Benefit for income taxes	3.4	4.0
Loss from continuing operations, net of income taxes	78.7	301.2
Discontinued operations
(Loss)/income from discontinued operations	0	0
(Provision)/benefit for income taxes	0	(4.0)
Income/(loss) from discontinued operations, net of income taxes	0	(4.0)
Net (loss)/income	78.7	297.2
Less: net (income)/loss attributable to non-controlling interests	0	0
Net (loss)/income attributable to Caesars	78.7	297.2
Other comprehensive (loss)/income:
Total other comprehensive (loss)/income, net of income taxes	(59.9)	0
Less: foreign currency translation adjustments attributable to non-controlling interests, net of income taxes		0
Comprehensive (loss)/income attributable to Caesars	$ 18.8	$ 297.2