Segment and Other Supplemental Information - Regional Segment Revenue and Gross Margin for Company (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information
Segment revenue	$ 460	$ 454	$ 1,442	$ 1,345
Gross profit	275	254	892	735
Selling, general and administrative expenses	166	163	476	486
Research and development expenses	79	90	235	246
Income from operations	30	1	181	3
Americas
Segment Reporting Information
Segment revenue	249	261	786	764
EMEA
Segment Reporting Information
Segment revenue	133	115	408	351
APJ
Segment Reporting Information
Segment revenue	78	78	248	230
Operating segments
Segment Reporting Information
Gross profit	282	277	915	781
Operating segments \| Americas
Segment Reporting Information
Gross profit	157	165	524	470
Operating segments \| EMEA
Segment Reporting Information
Gross profit	81	69	249	197
Operating segments \| APJ
Segment Reporting Information
Gross profit	44	43	142	114
Segment reconciling items
Segment Reporting Information
Stock-based compensation costs	4	5	12	13
Acquisition, integration, reorganization and transformation-related costs	3	12	11	16
Amortization of capitalized software costs	$ 0	$ 6	$ 0	$ 17

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