Goodwill and Other Intangibles - Amortized Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,403	$ 1,196
Accumulated Amortization	(1,001)	(921)
Net	402	275
Technology and patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	739	578
Accumulated Amortization	(527)	(508)
Net	212	70
Customer and other relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	620	575
Accumulated Amortization	(431)	(371)
Net	189	204
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	44	43
Accumulated Amortization	(43)	(42)
Net	$ 1	$ 1