Condensed Consolidating Financial Information of Guarantors and Issuers - Condensed Consolidating Statement of Cash Flows (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	$ (109.4)	$ 30.2	$ 63.0
Cash flows from investing activities
Acquisitions of property and equipment, net of change in related payables	(726.3)	(507.1)	(272.5)
Change in restricted cash	773.9	(680.5)	(517.7)
Return of investment in subsidiary		0
Purchase of additional interest in subsidiaries	0	0	(75.4)
Purchase of Linq/Octavius from non-guarantor	0
Proceeds from the sale of subsidiary, net of cash contributed	0	42.4	0
Payments to acquire certain gaming rights	0	0	(22.7)
Proceeds from partial sale of subsidiary, net of cash deconsolidated	50.4	0	0
Payments to acquire businesses, net of transaction costs and cash acquired	(19.5)	(37.9)	(19.0)
Investments in/advances to non-consolidated affiliates and other	(38.6)	(28.1)	(76.0)
Dividends received	0
Purchases of investment securities	(30.0)	(39.2)	(35.7)
Proceeds from the sale and maturity of investment securities	67.4	31.6	22.6
Proceeds received from (paid for) sale of assets	0
Other	(12.5)	(5.5)	(9.9)
Cash flows used in investing activities	64.8	(1,224.3)	(1,006.3)
Cash flows from financing activities
Proceeds from the issuance of long-term debt	6,038.7	3,709.4	863.8
Assumption of debt issued by non-guarantors	0	0
Debt issuance and extension costs and fees	(152.8)	(50.6)	(18.1)
Borrowings under lending agreements	0	453.0	358.0
Repayments under lending agreements	0	(608.0)	(203.0)
Cash paid for early extinguishments of debt	(6,512.1)	(2,036.6)	(128.5)
Scheduled debt retirements	(92.8)	(15.8)	(43.7)
Dividends paid	0
Purchase of additional interests in subsidiaries	(10.0)	(9.6)	0
Sales of noncontrolling interests, net of fees	1,197.5	37.6	14.8
Distributions to noncontrolling interest owners	(19.9)	(10.7)	(9.8)
Issuance of common stock, net of fees	217.2	17.4	0
Other	(14.7)	(13.5)	(22.0)
Transfer (to)/from affiliates	0	0	0
Cash flows from financing activities	651.1	1,472.6	811.5
Cash flows from discontinued operations
Cash flows from operating activities	(9.4)	(20.6)	60.1
Cash flows from investing activities	411.9	599.7	(10.7)
Cash flows from financing activities	0	0	0
Net cash from discontinued operations	402.5	579.1	49.4
Net increase/(decrease) in cash and cash equivalents	1,009.0	857.6	(82.4)
Change in cash classified as assets held for sale	4.7	8.7	2.5
Cash and cash equivalents, beginning of period	1,757.5	891.2	971.1
Cash and cash equivalents, end of period	2,771.2	1,757.5	891.2
CEC (Parent Guarantor) [Member]
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	407.9	258.6	182.9
Cash flows from investing activities
Acquisitions of property and equipment, net of change in related payables	0	0	0
Change in restricted cash	(50.5)	0	0
Return of investment in subsidiary		0
Purchase of additional interest in subsidiaries	(581.2)	(232.5)	0
Purchase of Linq/Octavius from non-guarantor	80.7	0	0
Proceeds from the sale of subsidiary, net of cash contributed		0
Payments to acquire certain gaming rights			0
Proceeds from partial sale of subsidiary, net of cash deconsolidated	0
Payments to acquire businesses, net of transaction costs and cash acquired	0	0	(123.5)
Investments in/advances to non-consolidated affiliates and other	0	0	0
Dividends received	0
Purchases of investment securities	0	0	0
Proceeds from the sale and maturity of investment securities	0	0	0
Proceeds received from (paid for) sale of assets	(29.0)	0	0
Other	(0.4)	(0.8)	0
Cash flows used in investing activities	(741.8)	(233.3)	(123.5)
Cash flows from financing activities
Proceeds from the issuance of long-term debt	0	0	0
Assumption of debt issued by non-guarantors	0	0
Debt issuance and extension costs and fees	0	0	0
Borrowings under lending agreements		0	0
Repayments under lending agreements		0	0
Cash paid for early extinguishments of debt	0	0	0
Scheduled debt retirements	0	0	0
Dividends paid	0
Purchase of additional interests in subsidiaries	0	0
Sales of noncontrolling interests, net of fees	0	0	0
Distributions to noncontrolling interest owners	0	0	0
Issuance of common stock, net of fees	217.2	17.4	0
Other	0	0	(1.7)
Transfer (to)/from affiliates	222.6	(39.2)	(189.8)
Cash flows from financing activities	439.8	(21.8)	(191.5)
Cash flows from discontinued operations
Cash flows from operating activities	0	0	0
Cash flows from investing activities	0	0	0
Cash flows from financing activities	0	0	0
Net cash from discontinued operations	0	0	0
Net increase/(decrease) in cash and cash equivalents	105.9	3.5	(132.1)
Change in cash classified as assets held for sale	0	0	0
Cash and cash equivalents, beginning of period	7.4	3.9	136.0
Cash and cash equivalents, end of period	113.3	7.4	3.9
Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	(906.6)	94.6	(507.6)
Cash flows from investing activities
Acquisitions of property and equipment, net of change in related payables	(18.7)	(9.6)	(12.3)
Change in restricted cash	0	0	0
Return of investment in subsidiary		0
Purchase of additional interest in subsidiaries	(15.8)	(28.1)	0
Purchase of Linq/Octavius from non-guarantor	0
Proceeds from the sale of subsidiary, net of cash contributed		0
Payments to acquire certain gaming rights			0
Proceeds from partial sale of subsidiary, net of cash deconsolidated	0
Payments to acquire businesses, net of transaction costs and cash acquired	0	0	(136.7)
Investments in/advances to non-consolidated affiliates and other	0	0	0
Dividends received	831.0
Purchases of investment securities	0	0	0
Proceeds from the sale and maturity of investment securities	0	0	0
Proceeds received from (paid for) sale of assets	29.0
Other	0	0	0
Cash flows used in investing activities	825.5	(37.7)	(149.0)
Cash flows from financing activities
Proceeds from the issuance of long-term debt	127.2	432.2	418.3
Assumption of debt issued by non-guarantors	2,199.4	1,981.3
Debt issuance and extension costs and fees	(52.2)	(38.9)	(3.2)
Borrowings under lending agreements		453.0	358.0
Repayments under lending agreements		(608.0)	(203.0)
Cash paid for early extinguishments of debt	(1,783.3)	(1,574.3)	0
Scheduled debt retirements	(91.3)	(14.4)	(25.2)
Dividends paid	0
Purchase of additional interests in subsidiaries	0	0
Sales of noncontrolling interests, net of fees	0	0	0
Distributions to noncontrolling interest owners	0	0	0
Issuance of common stock, net of fees	0	0
Other	0	0	0
Transfer (to)/from affiliates	(234.2)	207.5	67.3
Cash flows from financing activities	165.6	838.4	612.2
Cash flows from discontinued operations
Cash flows from operating activities	0	0	0
Cash flows from investing activities	0	0	0
Cash flows from financing activities	0	0	0
Net cash from discontinued operations	0	0	0
Net increase/(decrease) in cash and cash equivalents	84.5	895.3	(44.4)
Change in cash classified as assets held for sale	0	0	0
Cash and cash equivalents, beginning of period	911.9	16.6	61.0
Cash and cash equivalents, end of period	996.4	911.9	16.6
Subsidiary Guarantors of Parent and Subsidiary Guaranteed Debt [Member]
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	330.0	(505.1)	72.7
Cash flows from investing activities
Acquisitions of property and equipment, net of change in related payables	(376.5)	(205.3)	(108.1)
Change in restricted cash	(1.0)	0	0
Return of investment in subsidiary		92.5
Purchase of additional interest in subsidiaries	0	0	0
Purchase of Linq/Octavius from non-guarantor	0
Proceeds from the sale of subsidiary, net of cash contributed		0
Payments to acquire certain gaming rights			0
Proceeds from partial sale of subsidiary, net of cash deconsolidated	(25.7)
Payments to acquire businesses, net of transaction costs and cash acquired	0	0	(49.1)
Investments in/advances to non-consolidated affiliates and other	0	0	0
Dividends received	74.2
Purchases of investment securities	0	0	0
Proceeds from the sale and maturity of investment securities	0	0	0
Proceeds received from (paid for) sale of assets	0
Other	(8.9)	(6.8)	(3.8)
Cash flows used in investing activities	(337.9)	(119.6)	(161.0)
Cash flows from financing activities
Proceeds from the issuance of long-term debt	0	0	0
Assumption of debt issued by non-guarantors	0	0
Debt issuance and extension costs and fees	0	0	0
Borrowings under lending agreements		0	0
Repayments under lending agreements		0	0
Cash paid for early extinguishments of debt	0	0	(2.6)
Scheduled debt retirements	(1.5)	(1.4)	0
Dividends paid	(48.4)
Purchase of additional interests in subsidiaries	0	(9.6)
Sales of noncontrolling interests, net of fees	0	0	0
Distributions to noncontrolling interest owners	0	0	0
Issuance of common stock, net of fees	0	0
Other	(8.2)	(10.8)	(8.1)
Transfer (to)/from affiliates	6.3	0	49.1
Cash flows from financing activities	(51.8)	(21.8)	38.4
Cash flows from discontinued operations
Cash flows from operating activities	(0.5)	17.5	79.4
Cash flows from investing activities	0	600.3	(5.2)
Cash flows from financing activities	0	0	0
Net cash from discontinued operations	(0.5)	617.8	74.2
Net increase/(decrease) in cash and cash equivalents	(60.2)	(28.7)	24.3
Change in cash classified as assets held for sale	0	10.0	3.5
Cash and cash equivalents, beginning of period	353.8	372.5	344.7
Cash and cash equivalents, end of period	293.6	353.8	372.5
Subsidiary Non-Guarantors of Parent and Subsidiary Guaranteed Debt [Member]
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	52.2	144.9	298.9
Cash flows from investing activities
Acquisitions of property and equipment, net of change in related payables	(331.1)	(292.2)	(152.1)
Change in restricted cash	825.4	(680.5)	(517.7)
Return of investment in subsidiary		0
Purchase of additional interest in subsidiaries	0	0	(75.4)
Purchase of Linq/Octavius from non-guarantor	(80.7)
Proceeds from the sale of subsidiary, net of cash contributed		42.4
Payments to acquire certain gaming rights			(22.7)
Proceeds from partial sale of subsidiary, net of cash deconsolidated	76.1
Payments to acquire businesses, net of transaction costs and cash acquired	(19.5)	(37.9)	(19.0)
Investments in/advances to non-consolidated affiliates and other	(38.6)	(28.1)	(76.0)
Dividends received	0
Purchases of investment securities	(30.0)	(39.2)	(35.7)
Proceeds from the sale and maturity of investment securities	67.4	31.6	22.6
Proceeds received from (paid for) sale of assets	0
Other	(3.2)	2.1	(6.1)
Cash flows used in investing activities	627.2	(1,001.8)	(882.1)
Cash flows from financing activities
Proceeds from the issuance of long-term debt	5,911.5	3,277.2	445.5
Assumption of debt issued by non-guarantors	(2,199.4)	(1,981.3)
Debt issuance and extension costs and fees	(100.6)	(11.7)	(14.9)
Borrowings under lending agreements		0	0
Repayments under lending agreements		0	0
Cash paid for early extinguishments of debt	(4,728.8)	(462.3)	(125.9)
Scheduled debt retirements	0	0	(18.5)
Dividends paid	(856.8)
Purchase of additional interests in subsidiaries	(10.0)	0
Sales of noncontrolling interests, net of fees	1,197.5	37.6	14.8
Distributions to noncontrolling interest owners	(19.9)	(10.7)	(9.8)
Issuance of common stock, net of fees	0	0
Other	(6.5)	(2.7)	(12.2)
Transfer (to)/from affiliates	609.4	2.3	382.7
Cash flows from financing activities	(203.6)	848.4	661.7
Cash flows from discontinued operations
Cash flows from operating activities	(8.9)	(3.4)	(3.2)
Cash flows from investing activities	411.9	(0.6)	(5.5)
Cash flows from financing activities	0	0	0
Net cash from discontinued operations	403.0	(4.0)	(8.7)
Net increase/(decrease) in cash and cash equivalents	878.8	(12.5)	69.8
Change in cash classified as assets held for sale	4.7	(1.3)	(1.0)
Cash and cash equivalents, beginning of period	484.4	498.2	429.4
Cash and cash equivalents, end of period	1,367.9	484.4	498.2
Subsidiary Non-Guarantors of Parent-Only Guaranteed Debt [Member]
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	382.2	(360.2)	371.6
Cash flows from investing activities
Acquisitions of property and equipment, net of change in related payables	(707.6)	(497.5)	(260.2)
Change in restricted cash	824.4	(680.5)	(517.7)
Return of investment in subsidiary		92.5
Purchase of additional interest in subsidiaries	0	0	(75.4)
Purchase of Linq/Octavius from non-guarantor	(80.7)
Proceeds from the sale of subsidiary, net of cash contributed		42.4
Payments to acquire certain gaming rights			(22.7)
Proceeds from partial sale of subsidiary, net of cash deconsolidated	50.4
Payments to acquire businesses, net of transaction costs and cash acquired	(19.5)	(37.9)	(68.1)
Investments in/advances to non-consolidated affiliates and other	(38.6)	(28.1)	(76.0)
Dividends received	74.2
Purchases of investment securities	(30.0)	(39.2)	(35.7)
Proceeds from the sale and maturity of investment securities	67.4	31.6	22.6
Proceeds received from (paid for) sale of assets	0
Other	(12.1)	(4.7)	(9.9)
Cash flows used in investing activities	289.3	(1,121.4)	(1,043.1)
Cash flows from financing activities
Proceeds from the issuance of long-term debt	5,911.5	3,277.2	445.5
Assumption of debt issued by non-guarantors	(2,199.4)	(1,981.3)
Debt issuance and extension costs and fees	(100.6)	(11.7)	(14.9)
Borrowings under lending agreements		0	0
Repayments under lending agreements		0	0
Cash paid for early extinguishments of debt	(4,728.8)	(462.3)	(128.5)
Scheduled debt retirements	(1.5)	(1.4)	(18.5)
Dividends paid	(905.2)
Purchase of additional interests in subsidiaries	(10.0)	(9.6)
Sales of noncontrolling interests, net of fees	1,197.5	37.6	14.8
Distributions to noncontrolling interest owners	(19.9)	(10.7)	(9.8)
Issuance of common stock, net of fees	0	0
Other	(14.7)	(13.5)	(20.3)
Transfer (to)/from affiliates	615.7	2.3	431.8
Cash flows from financing activities	(255.4)	826.6	700.1
Cash flows from discontinued operations
Cash flows from operating activities	(9.4)	14.1	76.2
Cash flows from investing activities	411.9	599.7	(10.7)
Cash flows from financing activities	0	0	0
Net cash from discontinued operations	402.5	613.8	65.5
Net increase/(decrease) in cash and cash equivalents	818.6	(41.2)	94.1
Change in cash classified as assets held for sale	4.7	8.7	2.5
Cash and cash equivalents, beginning of period	838.2	870.7	774.1
Cash and cash equivalents, end of period	1,661.5	838.2	870.7
Consolidating/ Eliminating Adjustments [Member]
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	7.1	37.2	16.1
Cash flows from investing activities
Acquisitions of property and equipment, net of change in related payables	0	0	0
Change in restricted cash	0	0	0
Return of investment in subsidiary		(92.5)
Purchase of additional interest in subsidiaries	597.0	260.6	0
Purchase of Linq/Octavius from non-guarantor	0
Proceeds from the sale of subsidiary, net of cash contributed		0
Payments to acquire certain gaming rights			0
Proceeds from partial sale of subsidiary, net of cash deconsolidated	0
Payments to acquire businesses, net of transaction costs and cash acquired	0	0	309.3
Investments in/advances to non-consolidated affiliates and other	0	0	0
Dividends received	(905.2)
Purchases of investment securities	0	0	0
Proceeds from the sale and maturity of investment securities	0	0	0
Proceeds received from (paid for) sale of assets	0
Other	0	0	0
Cash flows used in investing activities	(308.2)	168.1	309.3
Cash flows from financing activities
Proceeds from the issuance of long-term debt	0	0	0
Assumption of debt issued by non-guarantors	0	0
Debt issuance and extension costs and fees	0	0	0
Borrowings under lending agreements		0	0
Repayments under lending agreements		0	0
Cash paid for early extinguishments of debt	0	0	0
Scheduled debt retirements	0	0	0
Dividends paid	905.2
Purchase of additional interests in subsidiaries	0	0
Sales of noncontrolling interests, net of fees	0	0	0
Distributions to noncontrolling interest owners	0	0	0
Issuance of common stock, net of fees	0	0
Other	0	0	0
Transfer (to)/from affiliates	(604.1)	(170.6)	(309.3)
Cash flows from financing activities	301.1	(170.6)	(309.3)
Cash flows from discontinued operations
Cash flows from operating activities	0	(34.7)	(16.1)
Cash flows from investing activities	0	0	0
Cash flows from financing activities	0	0	0
Net cash from discontinued operations	0	(34.7)	(16.1)
Net increase/(decrease) in cash and cash equivalents	0	0	0
Change in cash classified as assets held for sale	0	0	0
Cash and cash equivalents, beginning of period	0	0	0
Cash and cash equivalents, end of period	$ 0	$ 0	$ 0