Leases (Future Minimum Lease Payments Under Non-Cancellable Leases) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating Leases, 2020	[1]	$ 27
Operating Leases, 2021	[1]	22
Operating Leases, 2022	[1]	20
Operating Leases, 2023	[1]	15
Operating Leases, 2024	[1]	11
Operating Leases, Thereafter	[1]	85
Operating Leases, Total future minimum lease payments	[1]	179
Operating Leases, Less imputed interest	[1]	(47)
Operating Leases, Total	[1]	131
Finance Leases, 2020		37
Finance Leases, 2021		29
Finance Leases, 2022		18
Finance Leases, 2023		12
Finance Leases, 2024		4
Finance Leases, Thereafter		1
Finance Leases, Total future minimum lease payments		101
Finance Leases, Less imputed interest		(6)
Finance Leases, Total		95
Expected Sublease Income, Amount Expected Each Year		2
Sublease Income		$ 2	$ 1

[1] Each year through 2033 is presented net of approximately $2 million of projected annual sublease income from Frontdoor for their sublease in our Global Service Center and Memphis customer care center. Sublease income of approximately $2 million and $1 million was recognized within Selling and administrative expenses on the Consolidated Statements of Operations and Comprehensive Income (Loss) for the years ended December 31, 2019 and 2018, respectively.