Organization Organization (Details)		3 Months Ended		6 Months Ended		36 Months Ended
	Jan. 15, 2015 USD ($)	Jun. 30, 2015 USD ($) business Casinos	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) business Casinos segment	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Number of Reportable Segments | segment				3
Net income/(loss) attributable to Caesars		$ 15,000,000	$ (466,000,000)	$ 6,787,000,000	$ (853,000,000)	$ 7,200,000,000
Interest Expense		147,000,000	654,000,000	384,000,000	1,246,000,000	7,000,000,000
Gain on deconsolidation of subsidiary and other gains/(losses)		7,000,000	(27,000,000)	7,096,000,000	(27,000,000)
Accumulated deficit		(6,300,000,000)		(6,300,000,000)		(13,100,000,000)
Long-term Debt, Current Maturities		222,000,000		222,000,000		15,779,000,000
Long-term Debt		7,024,000,000		7,024,000,000		23,009,000,000
Cash flows provided by/(used in) operating activities				(101,000,000)	387,000,000	(772,000,000)
Cash paid for interest				403,000,000	1,150,000,000	5,700,000,000
Cash and cash equivalents		$ 1,579,000,000	$ 3,430,000,000	$ 1,579,000,000	$ 3,430,000,000	2,806,000,000	$ 2,771,000,000
Caesars Entertainment Operating Company [Member]
Number Of Casinos Managed | business		28		28
Net income/(loss) attributable to Caesars	$ (76,000,000)					7,100,000,000
Interest Expense						6,200,000,000
Accumulated deficit						11,400,000,000
Long-term Debt, Current Maturities						15,800,000,000
Long-term Debt						16,007,000,000
Cash flows provided by/(used in) operating activities	$ 220,000,000
Long Term Debt, less Discount		$ 0		$ 0		15,930,000,000
Third Party [Member]
Number Of Casinos Managed | Casinos		9		9
Parent Company [Member]
Guarantees, Fair Value Disclosure		$ 0		$ 0
Long-term Debt		3,000,000		3,000,000		$ 13,000,000
Cash and cash equivalents		$ 350,000,000		$ 350,000,000
UNITED STATES
Number Of Casinos Operated Or Managed | Casinos		12		12
Indian Land [Member] | Third Party [Member]
Number Of Casinos Managed | Casinos		3		3
Geographic Concentration Risk [Member] | LAS VEGAS, NEVADA | UNITED STATES
Number Of Casinos Operated Or Managed | Casinos		8		8