Segment, Other Supplemental Information and Concentrations - Schedule of Property and Equipment by Geographic Area (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Identifiable Assets By Segment [Line Items]
Property and equipment, net	$ 288	$ 339
United States
Schedule Of Identifiable Assets By Segment [Line Items]
Property and equipment, net	210	248
Americas (excluding United States)
Schedule Of Identifiable Assets By Segment [Line Items]
Property and equipment, net	14	18
EMEA
Schedule Of Identifiable Assets By Segment [Line Items]
Property and equipment, net	36	43
APJ
Schedule Of Identifiable Assets By Segment [Line Items]
Property and equipment, net	$ 28	$ 30