Reportable Segments (Schedule of Reconciliation of EBITDA for Reportable Segments) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Segment Reporting [Abstract]
Total reportable segments EBITDA excluding non-cash items		$ 141	$ 202
Interest income		0	3
Interest expense	[1]	(42)	(42)
Depreciation		(51)	(48)
Amortization of intangibles		(14)	(15)
Fees to Manager-related party		(7)	(8)
Other expense, net		(7)	(4)
Net income from continuing operations before income taxes		$ 20	$ 88

[1] Interest expense includes losses on derivative instruments of $9 million and $4 million for the quarters ended March 31, 2020 and 2019, respectively.