Organization and Description of Business and Basis of Presentation Organization and Description of Business and Basis of Presentation - Going Concern (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended				48 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Net loss	$ (1,070)	$ (980)	$ (433)	$ (383)	$ (1,752)	$ (762)	$ (209)	$ (217)	$ (2,866)		$ (2,940)	$ (1,503)	$ 7,200
Interest expense									(2,670)		(2,252)	(2,100)	(7,000)
Accumulated deficit	13,104				10,321				13,104		10,321		13,104
Long-term Debt, Current Maturities	15,779				197				15,779		197		15,779
Long-term Debt	23,213				21,115				23,213		21,115		23,213
Net Cash Provided by (Used in) Operating Activities									(735)		(99)	33	772
Interest Paid									2,070		1,899	1,772	(5,700)
Caesars Entertainment Operating Company [Member]
Net loss													7,100
Interest expense									1,700	[1]			(6,200)
Accumulated deficit	(11,400)								(11,400)				(11,400)
Long-term Debt, Current Maturities	15,708				113				15,708		113		15,708
Long-term Debt	$ 16,177				$ 15,783				$ 16,177		$ 15,783		$ 16,177

[1] Includes foreign net revenues of $337 million.