Goodwill and Intangible Assets (Schedule of Other Intangible Asset Balances) (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended	12 Months Ended
		Sep. 30, 2022	Sep. 30, 2022	Dec. 31, 2021
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross		$ 364	$ 364	$ 375
Accumulated Amortization		(216)	(216)	(216)
Net		149	149	159
Impairment charges		14
Customer Relationships [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross		173	173	173
Accumulated Amortization		(172)	(172)	(172)
Developed Technology [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross	[1]	19	19	25
Accumulated Amortization	[1]	(12)	(12)	(12)
Net	[1]	6	6	13
Developed Technology [Member] | Streem Reporting Unit [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross		6	6	6
Accumulated Amortization		4	4	4
Impairment charges			3	3
Other [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross	[2]	32	32	37
Accumulated Amortization	[2]	(31)	(31)	(32)
Net	[2]	2	2	5
Other [Member] | Streem Reporting Unit [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross		4	4	4
Accumulated Amortization		2	2	2
Impairment charges			2	2
Trade Names [Member]
Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross	[3]	141	141	141
Net	[3]	$ 141	$ 141	$ 141

[1] Includes a net $3 million impairment relating to the Streem reporting unit, which comprises $6 million of gross cost and $4 million of accumulated amortization.

[2] Includes a net $2 million impairment relating to the Streem reporting unit, which comprises $4 million of gross cost and $2 million of accumulated amortization.

[3] Not subject to amortization.