Segment Information - Schedule Of Capital Expenditures By Segment (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Capital expenditures, net	$ 98	$ 135
Assets	36,239		$ 5,641
Corporate and other
Segment Reporting Information [Line Items]
Capital expenditures, net	19	4
Assets	(13)		(1,146)
Las Vegas | Operating Segment
Segment Reporting Information [Line Items]
Capital expenditures, net	16	0
Assets	21,552		0
Regional | Operating Segment
Segment Reporting Information [Line Items]
Capital expenditures, net	62	131
Assets	14,096		6,787
Managed, International, CIE | Operating Segment
Segment Reporting Information [Line Items]
Capital expenditures, net	1	$ 0
Assets	604		$ 0
Regional and Managed International and CIE | Discontinued Operations
Segment Reporting Information [Line Items]
Capital expenditures, net	$ 4