Condensed Consolidating Financial Information of Guarantors and Issuers - Condensed Consolidating Balance Sheet (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 1,707.9	$ 1,757.5	$ 1,185.1	$ 891.2
Restricted cash	123.4	833.6
Receivables, net of allowance for doubtful accounts	506.9	580.5
Deferred income taxes	140.7	114.9
Prepayments and other current assets	196.6	150.0
Inventories	43.3	52.0
Intercompany receivables	0	0
Assets held for sale	5.4	5.1
Total current assets	2,724.2	3,493.6
Property and equipment, net of accumulated depreciation	14,916.4	15,701.7
Goodwill	3,019.5	3,160.3
Intangible assets other than goodwill	3,660.2	3,985.7
Investments in subsidiaries	0	0
Investments in and advances to non-consolidated affiliates	213.1	100.4
Restricted cash	403.6	364.6
Deferred charges and other	693.4	720.6
Intercompany receivables	0	0
Assets held for sale	466.0	471.2
Total assets	26,096.4	27,998.1
Liabilities and Stockholders’ (Deficit)/Equity
Accounts payable	371.8	376.2
Interest payable	377.7	233.7
Accrued expenses	1,180.9	1,094.7
Current portion of long-term debt	166.4	879.9
Intercompany payables	0	0
Liabilities held for sale	0.7	3.8
Total current liabilities	2,097.5	2,588.3
Long-term debt, face value	21,173.8	20,532.2
Accumulated losses of subsidiaries in excess of investment	0	0
Deferred credits and other	739.3	823.0
Deferred income taxes	3,528.3	4,334.1
Intercompany payables	0	0
Liabilities held for sale	54.3	52.1
Total liabilities	27,593.2	28,329.7
Total Caesars stockholders’ deficit	(1,578.7)	(411.7)
Noncontrolling interests	81.9	80.1
Total (deficit)/equity	(1,496.8)	(331.6)	114.7	1,053.4
Total liabilities and stockholder's deficit	26,096.4	27,998.1
CEC (Parent Guarantor) [Member]
Assets
Cash and cash equivalents	222.9	7.4	19.3	3.9
Restricted cash	30.5	0
Receivables, net of allowance for doubtful accounts	0	0.1
Deferred income taxes	0	0
Prepayments and other current assets	1.1	5.0
Inventories	0	0
Intercompany receivables	19.9	29.6
Assets held for sale	0	0
Total current assets	274.4	42.1
Property and equipment, net of accumulated depreciation	0	0
Goodwill	0	0
Intangible assets other than goodwill	0	0
Investments in subsidiaries	0	0
Investments in and advances to non-consolidated affiliates	0	0
Restricted cash	0	0
Deferred charges and other	7.6	7.5
Intercompany receivables	325.1	563.1
Assets held for sale	0	0
Total assets	607.1	612.7
Liabilities and Stockholders’ (Deficit)/Equity
Accounts payable	1.4	3.9
Interest payable	0	0
Accrued expenses	8.0	3.7
Current portion of long-term debt	0	0
Intercompany payables	1.8	15.9
Liabilities held for sale	0	0
Total current liabilities	11.2	23.5
Long-term debt, face value	0	0
Accumulated losses of subsidiaries in excess of investment	2,082.6	925.4
Deferred credits and other	0	4.1
Deferred income taxes	0	0
Intercompany payables	55.0	55.0
Liabilities held for sale	0	0
Total liabilities	2,148.8	1,008.0
Total Caesars stockholders’ deficit	(1,541.7)	(395.3)
Noncontrolling interests	0	0
Total (deficit)/equity	(1,541.7)	(395.3)
Total liabilities and stockholder's deficit	607.1	612.7
Subsidiary Issuer [Member]
Assets
Cash and cash equivalents	671.5	911.9	430.0	16.6
Restricted cash	0	0
Receivables, net of allowance for doubtful accounts	22.6	19.5
Deferred income taxes	52.4	17.4
Prepayments and other current assets	13.4	8.3
Inventories	0.3	0.3
Intercompany receivables	291.6	295.5
Assets held for sale	0	0
Total current assets	1,051.8	1,252.9
Property and equipment, net of accumulated depreciation	187.3	189.9
Goodwill	0	0
Intangible assets other than goodwill	3.7	4.2
Investments in subsidiaries	10,443.2	11,669.6
Investments in and advances to non-consolidated affiliates	0	0
Restricted cash	0	0
Deferred charges and other	301.6	298.4
Intercompany receivables	1,088.5	1,089.6
Assets held for sale	0	0
Total assets	13,076.1	14,504.6
Liabilities and Stockholders’ (Deficit)/Equity
Accounts payable	102.1	75.9
Interest payable	357.3	176.0
Accrued expenses	239.6	164.7
Current portion of long-term debt	184.8	126.2
Intercompany payables	47.5	88.1
Liabilities held for sale	0	0
Total current liabilities	931.3	630.9
Long-term debt, face value	15,989.4	15,257.0
Accumulated losses of subsidiaries in excess of investment	0	0
Deferred credits and other	439.0	535.0
Deferred income taxes	(188.1)	422.6
Intercompany payables	285.4	614.5
Liabilities held for sale	0	0
Total liabilities	17,457.0	17,460.0
Total Caesars stockholders’ deficit	(4,380.9)	(2,955.4)
Noncontrolling interests	0	0
Total (deficit)/equity	(4,380.9)	(2,955.4)
Total liabilities and stockholder's deficit	13,076.1	14,504.6
Subsidiary Guarantors of Parent and Subsidiary Guaranteed Debt [Member]
Assets
Cash and cash equivalents	268.9	353.8	289.8	372.5
Restricted cash	1.0	0
Receivables, net of allowance for doubtful accounts	308.1	348.0
Deferred income taxes	68.6	75.7
Prepayments and other current assets	77.1	66.8
Inventories	27.5	31.7
Intercompany receivables	164.3	136.8
Assets held for sale	0	0
Total current assets	915.5	1,012.8
Property and equipment, net of accumulated depreciation	7,797.2	8,534.6
Goodwill	1,231.2	1,331.0
Intangible assets other than goodwill	2,914.5	3,183.0
Investments in subsidiaries	897.4	920.3
Investments in and advances to non-consolidated affiliates	3.4	3.0
Restricted cash	0	0
Deferred charges and other	202.9	184.8
Intercompany receivables	585.4	585.9
Assets held for sale	7.3	0
Total assets	14,554.8	15,755.4
Liabilities and Stockholders’ (Deficit)/Equity
Accounts payable	133.6	156.5
Interest payable	0.7	0.4
Accrued expenses	385.2	434.7
Current portion of long-term debt	16.4	10.7
Intercompany payables	331.7	284.8
Liabilities held for sale	0	0
Total current liabilities	867.6	887.1
Long-term debt, face value	78.5	64.8
Accumulated losses of subsidiaries in excess of investment	0	0
Deferred credits and other	148.1	160.2
Deferred income taxes	2,049.3	2,188.9
Intercompany payables	871.2	871.7
Liabilities held for sale	0	0
Total liabilities	4,014.7	4,172.7
Total Caesars stockholders’ deficit	10,540.1	11,582.7
Noncontrolling interests	0	0
Total (deficit)/equity	10,540.1	11,582.7
Total liabilities and stockholder's deficit	14,554.8	15,755.4
Subsidiary Non-Guarantors of Parent and Subsidiary Guaranteed Debt [Member]
Assets
Cash and cash equivalents	544.6	484.4	446.0	498.2
Restricted cash	91.9	833.6
Receivables, net of allowance for doubtful accounts	176.2	212.9
Deferred income taxes	19.7	21.8
Prepayments and other current assets	105.0	69.9
Inventories	15.5	20.0
Intercompany receivables	93.5	97.2
Assets held for sale	5.4	5.1
Total current assets	1,051.8	1,744.9
Property and equipment, net of accumulated depreciation	6,935.4	6,977.2
Goodwill	1,788.3	1,829.3
Intangible assets other than goodwill	742.0	798.5
Investments in subsidiaries	953.9	790.7
Investments in and advances to non-consolidated affiliates	209.7	97.4
Restricted cash	403.6	364.6
Deferred charges and other	186.6	236.6
Intercompany receivables	55.0	153.8
Assets held for sale	458.7	471.2
Total assets	12,785.0	13,464.2
Liabilities and Stockholders’ (Deficit)/Equity
Accounts payable	134.7	139.9
Interest payable	19.7	57.3
Accrued expenses	548.1	491.6
Current portion of long-term debt	9.0	743.0
Intercompany payables	188.3	170.3
Liabilities held for sale	0.7	3.8
Total current liabilities	900.5	1,605.9
Long-term debt, face value	6,079.9	6,122.9
Accumulated losses of subsidiaries in excess of investment	0	0
Deferred credits and other	152.2	123.7
Deferred income taxes	1,703.0	1,714.7
Intercompany payables	842.5	851.2
Liabilities held for sale	54.3	52.1
Total liabilities	9,732.4	10,470.5
Total Caesars stockholders’ deficit	2,970.7	2,913.6
Noncontrolling interests	81.9	80.1
Total (deficit)/equity	3,052.6	2,993.7
Total liabilities and stockholder's deficit	12,785.0	13,464.2
Subsidiary Non-Guarantors of Parent-Only Guaranteed Debt [Member]
Assets
Cash and cash equivalents	813.5	838.2	735.8	870.7
Restricted cash	92.9	833.6
Receivables, net of allowance for doubtful accounts	484.3	560.9
Deferred income taxes	88.3	97.5
Prepayments and other current assets	182.1	136.7
Inventories	43.0	51.7
Intercompany receivables	257.8	234.0
Assets held for sale	5.4	5.1
Total current assets	1,967.3	2,757.7
Property and equipment, net of accumulated depreciation	14,732.6	15,511.8
Goodwill	3,019.5	3,160.3
Intangible assets other than goodwill	3,656.5	3,981.5
Investments in subsidiaries	1,851.3	1,711.0
Investments in and advances to non-consolidated affiliates	213.1	100.4
Restricted cash	403.6	364.6
Deferred charges and other	389.5	421.4
Intercompany receivables	640.4	739.7
Assets held for sale	466.0	471.2
Total assets	27,339.8	29,219.6
Liabilities and Stockholders’ (Deficit)/Equity
Accounts payable	268.3	296.4
Interest payable	20.4	57.7
Accrued expenses	933.3	926.3
Current portion of long-term debt	25.4	753.7
Intercompany payables	520.0	455.1
Liabilities held for sale	0.7	3.8
Total current liabilities	1,768.1	2,493.0
Long-term debt, face value	6,158.4	6,187.7
Accumulated losses of subsidiaries in excess of investment	0	0
Deferred credits and other	300.3	283.9
Deferred income taxes	3,752.3	3,903.6
Intercompany payables	1,713.7	1,722.9
Liabilities held for sale	54.3	52.1
Total liabilities	13,747.1	14,643.2
Total Caesars stockholders’ deficit	13,510.8	14,496.3
Noncontrolling interests	81.9	80.1
Total (deficit)/equity	13,592.7	14,576.4
Total liabilities and stockholder's deficit	27,339.8	29,219.6
Consolidating/ Eliminating Adjustments [Member]
Assets
Cash and cash equivalents	0	0	0	0
Restricted cash	0	0
Receivables, net of allowance for doubtful accounts	0	0
Deferred income taxes	0	0
Prepayments and other current assets	0	0
Inventories	0	0
Intercompany receivables	(569.3)	(559.1)
Assets held for sale	0	0
Total current assets	(569.3)	(559.1)
Property and equipment, net of accumulated depreciation	(3.5)	0
Goodwill	0	0
Intangible assets other than goodwill	0	0
Investments in subsidiaries	(12,294.5)	(13,380.6)
Investments in and advances to non-consolidated affiliates	0	0
Restricted cash	0	0
Deferred charges and other	(5.3)	(6.7)
Intercompany receivables	(2,054.0)	(2,392.4)
Assets held for sale	0	0
Total assets	(14,926.6)	(16,338.8)
Liabilities and Stockholders’ (Deficit)/Equity
Accounts payable	0	0
Interest payable	0	0
Accrued expenses	0	0
Current portion of long-term debt	(43.8)	0
Intercompany payables	(569.3)	(559.1)
Liabilities held for sale	0	0
Total current liabilities	(613.1)	(559.1)
Long-term debt, face value	(974.0)	(912.5)
Accumulated losses of subsidiaries in excess of investment	(2,082.6)	(925.4)
Deferred credits and other	0	0
Deferred income taxes	(35.9)	7.9
Intercompany payables	(2,054.1)	(2,392.4)
Liabilities held for sale	0	0
Total liabilities	(5,759.7)	(4,781.5)
Total Caesars stockholders’ deficit	(9,166.9)	(11,557.3)
Noncontrolling interests	0	0
Total (deficit)/equity	(9,166.9)	(11,557.3)
Total liabilities and stockholder's deficit	$ (14,926.6)	$ (16,338.8)