Consolidated Condensed Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-in- Capital	Accumulated Deficit	Accumulated Other Comprehensive Income/(Loss)	Total Caesars Stockholders’ Equity	Noncontrolling Interests
Beginning Balance at Dec. 31, 2017	$ 3,297	$ 7	$ (152)	$ 14,040	$ (10,675)	$ 6	$ 3,226	$ 71
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(34)				(34)		(34)
Stock-based compensation	10		(12)	22			10
Other comprehensive income/(loss), net of tax	9					9	9
Change in noncontrolling interest, net of distributions and contributions	21							21
Other	(1)		(1)				(1)
Ending Balance at Mar. 31, 2018	3,302	7	(165)	14,062	(10,709)	15	3,210	92
Beginning Balance at Dec. 31, 2017	3,297	7	(152)	14,040	(10,675)	6	3,226	71
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	106
Other comprehensive income/(loss), net of tax	8
Ending Balance at Sep. 30, 2018	3,167	7	(475)	14,099	(10,570)	18	3,079	88
Beginning Balance at Mar. 31, 2018	3,302	7	(165)	14,062	(10,709)	15	3,210	92
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	29				29		29
Stock-based compensation	21			21			21
Repurchase of common stock	(31)		(31)				(31)
Other comprehensive income/(loss), net of tax	(14)					(11)	(11)	(3)
Change in noncontrolling interest, net of distributions and contributions	(2)							(2)
Other	1		1				1
Ending Balance at Jun. 30, 2018	3,306	7	(195)	14,083	(10,680)	4	3,219	87
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	111				110		110	1
Stock-based compensation	16			16			16
Repurchase of common stock	(280)		(280)				(280)
Other comprehensive income/(loss), net of tax	13					14	14	(1)
Change in noncontrolling interest, net of distributions and contributions	1							1
Ending Balance at Sep. 30, 2018	3,167	7	(475)	14,099	(10,570)	18	3,079	88
Beginning Balance at Dec. 31, 2018	3,338	7	(485)	14,124	(10,372)	(24)	3,250	88
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(218)				(217)		(217)	(1)
Stock-based compensation	16		(5)	21			16
Other comprehensive income/(loss), net of tax	(15)					(13)	(13)	(2)
Change in noncontrolling interest, net of distributions and contributions	(2)							(2)
Other	3		3				3
Ending Balance at Mar. 31, 2019	3,122	7	(487)	14,145	(10,589)	(37)	3,039	83
Beginning Balance at Dec. 31, 2018	3,338	7	(485)	14,124	(10,372)	(24)	3,250	88
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(893)
Other comprehensive income/(loss), net of tax	(68)
Ending Balance at Sep. 30, 2019	2,467	7	(499)	14,229	(11,263)	(86)	2,388	79
Beginning Balance at Mar. 31, 2019	3,122	7	(487)	14,145	(10,589)	(37)	3,039	83
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(315)				(315)		(315)
Stock-based compensation	41		(10)	51			41
Other comprehensive income/(loss), net of tax	(40)					(40)	(40)
Ending Balance at Jun. 30, 2019	2,808	7	(497)	14,196	(10,904)	(77)	2,725	83
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(360)				(359)		(359)	(1)
Stock-based compensation	31		(2)	33			31
Other comprehensive income/(loss), net of tax	(13)					(9)	(9)	(4)
Change in noncontrolling interest, net of distributions and contributions	1							1
Ending Balance at Sep. 30, 2019	$ 2,467	$ 7	$ (499)	$ 14,229	$ (11,263)	$ (86)	$ 2,388	$ 79