Goodwill and Intangible Assets (Schedule of Other Intangible Asset Balances for Continuing Operations) (Details) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross		$ 375	$ 375
Accumulated Amortization		(218)	(216)
Net		157	159
Customer Relationships [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross		173	173
Accumulated Amortization		(172)	(172)
Developed Technology [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross		25	25
Accumulated Amortization		(14)	(12)
Net		12	13
Other [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross		37	37
Accumulated Amortization		(32)	(32)
Net		5	5
Trade Names [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross	[1]	141	141
Net	[1]	$ 141	$ 141

[1] Not subject to amortization.