Reportable Segments (Schedule of Reconciliation of EBITDA for Reportable Segments) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting [Abstract]
Total reportable segments EBITDA excluding non-cash items		$ 599	$ 569	$ 618
Interest income		7	1	0
Interest expense	[1]	(154)	(113)	(87)
Accumulated impairment charges		0	(3)	0
Depreciation		(195)	(193)	(178)
Amortization of intangibles		(59)	(68)	(64)
Fees to Manager - related party		(32)	(45)	(71)
Other expense, net		(26)	(33)	(14)
Net income from continuing operations before income taxes		$ 140	$ 115	$ 204

[1] Interest expense includes losses on derivative instruments of $13 million and gains on derivative instruments of $8 million and $2 million in 2019, 2018 and 2017, respectively.