Consolidating Financial Information of Guarantors and Issuers (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Condensed Consolidating Statement Of Comprehensive Income/(Loss)
Net revenues	$ 2,165.7	$ 2,161.7	$ 4,374.1	$ 4,277.8
Direct operating expenses	1,149.8	1,138.6	2,313.0	2,272.2
Property, general, administrative and other	522.4	506.3	1,034.7	1,027.5
Depreciation and amortization	180.9	169.5	364.6	341.7
Intangible and tangible asset impairment charges	134.0		301.5
Corporate expense	41.3	44.2	93.5	78.6
Other operating expenses	55.5	71.5	128.5	131.6
Total operating expenses	2,083.9	1,930.1	4,235.8	3,851.6
(Loss)/income from operations	81.8	231.6	138.3	426.2
Interest expense, net of interest capitalized	(496.5)	(524.6)	(1,058.5)	(998.0)
Gains on early extinguishments of debt	33.7	14.7	79.5	47.9
Other income, including interest income	6.5	5.0	14.7	8.5
(Loss)/income from continuing operations before income taxes	(374.5)	(273.3)	(826.0)	(515.4)
Benefit for income taxes	118.6	107.7	277.4	193.5
Net (loss)/income from continuing operations, net of taxes	(255.9)	(165.6)	(548.6)	(321.9)
Discontinued operations
Income from discontinued operations	22.9	20.5	41.9	39.5
Provision for income taxes	(8.8)	(8.0)	(16.2)	(15.5)
Income from discontinued operations, net of income taxes	14.1	12.5	25.7	24.0
Net loss	(241.8)	(153.1)	(522.9)	(297.9)
Less: net loss/(income) attributable to non-controlling interests	0.1	(2.4)	0.6	(5.0)
Net (loss)/income attributable to Caesars	(241.7)	(155.5)	(522.3)	(302.9)
Other comprehensive income/(loss):
Total other comprehensive income/(loss), net of income taxes	2.9	(12.6)	12.2	3.6
Less: foreign currency translation adjustments attributable to non-controlling interests	(0.5)	(0.2)	(1.5)	(3.4)
Comprehensive (loss)/income attributable to Caesars	(239.3)	(168.3)	(511.6)	(302.7)
CEC (Parent) [Member]
Condensed Consolidating Statement Of Comprehensive Income/(Loss)
Loss/(income) on interests in subsidiaries	240.0	153.8	520.3	300.5
Corporate expense	6.5	5.5	12.1	10.2
Other operating expenses				0.3
Total operating expenses	246.5	159.3	532.4	311.0
(Loss)/income from operations	(246.5)	(159.3)	(532.4)	(311.0)
Other income, including interest income	3.9	2.9	9.0	6.8
(Loss)/income from continuing operations before income taxes	(242.6)	(156.4)	(523.4)	(304.2)
Benefit for income taxes	0.9	0.9	1.1	1.3
Net (loss)/income from continuing operations, net of taxes	(241.7)	(155.5)	(522.3)	(302.9)
Discontinued operations
Net loss	(241.7)	(155.5)	(522.3)	(302.9)
Net (loss)/income attributable to Caesars	(241.7)	(155.5)	(522.3)	(302.9)
Other comprehensive income/(loss):
Comprehensive (loss)/income attributable to Caesars	(241.7)	(155.5)	(522.3)	(302.9)
Subsidiary Issuer [Member]
Condensed Consolidating Statement Of Comprehensive Income/(Loss)
Net revenues	27.0	34.6	53.6	63.4
Direct operating expenses	11.7	12.9	21.6	25.0
Property, general, administrative and other	3.3	13.2	13.0	27.5
Depreciation and amortization	1.7	1.7	3.4	3.4
Loss/(income) on interests in subsidiaries	(9.5)	(122.6)	(5.0)	(228.7)
Corporate expense	25.8	31.7	63.5	55.2
Other operating expenses	2.5	16.4	5.6	28.8
Total operating expenses	35.5	(46.7)	102.1	(88.8)
(Loss)/income from operations	(8.5)	81.3	(48.5)	152.2
Interest expense, net of interest capitalized	(461.8)	(476.5)	(970.8)	(915.5)
Other income, including interest income	14.3	12.0	29.2	23.7
(Loss)/income from continuing operations before income taxes	(456.0)	(383.2)	(990.2)	(739.6)
Benefit for income taxes	168.9	184.3	354.1	347.9
Net (loss)/income from continuing operations, net of taxes	(287.1)	(198.9)	(636.1)	(391.7)
Discontinued operations
Net loss	(287.1)	(198.9)	(636.1)	(391.7)
Net (loss)/income attributable to Caesars	(287.1)	(198.9)	(636.1)	(391.7)
Other comprehensive income/(loss):
Total other comprehensive income/(loss), net of income taxes	(13.6)	(23.4)	(25.8)	24.0
Comprehensive (loss)/income attributable to Caesars	(300.7)	(222.3)	(661.9)	(367.7)
Guarantor [Member]
Condensed Consolidating Statement Of Comprehensive Income/(Loss)
Net revenues	1,254.7	1,292.3	2,557.8	2,568.1
Direct operating expenses	679.7	679.9	1,372.3	1,358.3
Property, general, administrative and other	281.1	295.4	573.9	611.9
Depreciation and amortization	110.0	105.6	218.4	214.0
Intangible and tangible asset impairment charges	33.0		200.5
Loss/(income) on interests in subsidiaries	(7.6)	(15.6)	4.9	(26.1)
Corporate expense	7.2	4.6	13.9	8.3
Other operating expenses	33.4	32.7	66.1	60.8
Total operating expenses	1,136.8	1,102.6	2,450.0	2,227.2
(Loss)/income from operations	117.9	189.7	107.8	340.9
Interest expense, net of interest capitalized	(6.8)	(8.5)	(14.5)	(18.1)
Other income, including interest income	5.2	4.7	10.8	9.5
(Loss)/income from continuing operations before income taxes	116.3	185.9	104.1	332.3
Benefit for income taxes	(38.3)	(68.3)	(39.4)	(125.0)
Net (loss)/income from continuing operations, net of taxes	78.0	117.6	64.7	207.3
Discontinued operations
Income from discontinued operations	22.9	20.5	41.9	39.5
Provision for income taxes	(4.0)	(3.6)	(7.4)	(7.1)
Income from discontinued operations, net of income taxes	18.9	16.9	34.5	32.4
Net loss	96.9	134.5	99.2	239.7
Net (loss)/income attributable to Caesars	96.9	134.5	99.2	239.7
Other comprehensive income/(loss):
Comprehensive (loss)/income attributable to Caesars	96.9	134.5	99.2	239.7
Non-Guarantor [Member]
Condensed Consolidating Statement Of Comprehensive Income/(Loss)
Net revenues	928.9	889.5	1,861.1	1,755.9
Direct operating expenses	458.4	445.8	919.1	888.9
Property, general, administrative and other	278.1	231.9	529.1	457.3
Depreciation and amortization	69.2	62.2	142.8	124.3
Intangible and tangible asset impairment charges	101.0		101.0
Corporate expense	6.6	22.9	21.1	45.3
Other operating expenses	19.6	22.4	56.8	41.7
Total operating expenses	932.9	785.2	1,769.9	1,557.5
(Loss)/income from operations	(4.0)	104.3	91.2	198.4
Interest expense, net of interest capitalized	(76.7)	(85.7)	(171.9)	(166.9)
Gains on early extinguishments of debt	33.7	14.7	79.5	47.9
Other income, including interest income	31.9	31.5	64.5	71.0
(Loss)/income from continuing operations before income taxes	(15.1)	64.8	63.3	150.4
Benefit for income taxes	(17.7)	(13.6)	(47.2)	(39.1)
Net (loss)/income from continuing operations, net of taxes	(32.8)	51.2	16.1	111.3
Discontinued operations
Net loss	(32.8)	51.2	16.1	111.3
Less: net loss/(income) attributable to non-controlling interests	0.1	(2.4)	0.6	(5.0)
Net (loss)/income attributable to Caesars	(32.7)	48.8	16.7	106.3
Other comprehensive income/(loss):
Total other comprehensive income/(loss), net of income taxes	16.5	10.8	38.0	(20.4)
Less: foreign currency translation adjustments attributable to non-controlling interests	(0.5)	(0.2)	(1.5)	(3.4)
Comprehensive (loss)/income attributable to Caesars	(16.7)	59.4	53.2	82.5
Consolidating/Eliminating Adjustments [Member]
Condensed Consolidating Statement Of Comprehensive Income/(Loss)
Net revenues	(44.9)	(54.7)	(98.4)	(109.6)
Property, general, administrative and other	(40.1)	(34.2)	(81.3)	(69.2)
Loss/(income) on interests in subsidiaries	(222.9)	(15.6)	(520.2)	(45.7)
Corporate expense	(4.8)	(20.5)	(17.1)	(40.4)
Total operating expenses	(267.8)	(70.3)	(618.6)	(155.3)
(Loss)/income from operations	222.9	15.6	520.2	45.7
Interest expense, net of interest capitalized	48.8	46.1	98.8	102.5
Other income, including interest income	(48.8)	(46.1)	(98.8)	(102.5)
(Loss)/income from continuing operations before income taxes	222.9	15.6	520.2	45.7
Benefit for income taxes	4.8	4.4	8.8	8.4
Net (loss)/income from continuing operations, net of taxes	227.7	20.0	529.0	54.1
Discontinued operations
Provision for income taxes	(4.8)	(4.4)	(8.8)	(8.4)
Income from discontinued operations, net of income taxes	(4.8)	(4.4)	(8.8)	(8.4)
Net loss	222.9	15.6	520.2	45.7
Net (loss)/income attributable to Caesars	222.9	15.6	520.2	45.7
Other comprehensive income/(loss):
Comprehensive (loss)/income attributable to Caesars	$ 222.9	$ 15.6	$ 520.2	$ 45.7