Assets Held for Sale - Schedule of Information of Net Revenues and Net Income (Loss) (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Baton Rouge
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	$ 4	$ 4	$ 13	$ 12
Net income (loss)	(2)	(4)	(3)	(17)
MontBleu
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues		11	11	23
Net income (loss)		(3)	4	(43)
Evansville
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues		31	58	71
Net income (loss)		1	26	(7)
Eldorado Shreveport
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues		21		51
Net income (loss)		7		8
Kansas City
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues		0		18
Net income (loss)		1		3
Vicksburg
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues		0		7
Net income (loss)		$ 0		$ (1)
Harrah’s Louisiana Downs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	13		42
Net income (loss)	3		12
Caesars UK Group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	0		30
Net income (loss)	(1)		(30)
Caesars Southern Indiana
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	41		155
Net income (loss)	18		27
William Hill International
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	454		797
Net income (loss)	$ (39)		$ (41)