Acquisition of Former Caesars - Business Acquisition, Pro Forma Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Business Combinations [Abstract]
Net revenues	$ 1,639	$ 2,607	$ 4,145	$ 7,652
Net loss	(989)	(363)	(2,266)	(894)
Net loss attributable to Caesars	$ (927)	$ (362)	$ (2,200)	$ (892)