Segment Information - Schedule of Adjusted EBITDA by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ 296	$ 535
Net loss attributable to noncontrolling interests	0	1
Net loss from discontinued operations	(229)	(4)
Benefit for income taxes	107	76
Other income (loss)	4	(133)
Interest expense, net	(552)	(579)
Depreciation and amortization	(300)	(265)
Transaction and other operating costs, net	35	(20)
Stock-based compensation expense	(25)	(23)
Other items	(16)	(11)
Net loss from continuing operations, net of income taxes	$ (680)	(423)
Interest rate (as a percent)	4.30%
5% Convertible Notes
Segment Reporting Information [Line Items]
Interest rate (as a percent)	5.00%
Corporate and Other
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ (29)	(39)
Las Vegas | Operating Segment
Segment Reporting Information [Line Items]
Adjusted EBITDA	400	162
Regional | Operating Segment
Segment Reporting Information [Line Items]
Adjusted EBITDA	459	393
Caesars Digital | Operating Segment
Segment Reporting Information [Line Items]
Adjusted EBITDA	(554)	(2)
Managed and Branded | Operating Segment
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ 20	$ 21