Segment and Other Supplemental Information - Regional Segment Revenue and Gross Margin for Company (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information
Segment revenue	$ 491	$ 457	$ 982	$ 891
Gross profit	310	256	617	481
Selling, general and administrative expenses	161	165	310	323
Research and development expenses	79	83	156	156
Income from operations	70	8	151	2
Americas
Segment Reporting Information
Segment revenue	274	259	537	503
EMEA
Segment Reporting Information
Segment revenue	128	118	275	236
APJ
Segment Reporting Information
Segment revenue	89	80	170	152
Operating segments
Segment Reporting Information
Gross profit	318	269	633	504
Operating segments \| Americas
Segment Reporting Information
Gross profit	185	161	367	305
Operating segments \| EMEA
Segment Reporting Information
Gross profit	80	67	168	128
Operating segments \| APJ
Segment Reporting Information
Gross profit	53	41	98	71
Segment reconciling items
Segment Reporting Information
Stock-based compensation costs	5	4	8	8
Acquisition, integration, reorganization and transformation-related costs	3	4	8	4
Amortization of capitalized software costs	$ 0	$ 5	$ 0	$ 11

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