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Segment and Other Supplemental Information - Regional Segment Revenue and Gross Margin for Company (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information
Segment revenue	$ 491	$ 434
Gross profit	307	225
Selling, general and administrative expenses	149	158
Research and development expenses	77	73
Income (loss) from operations	81	(6)
Americas
Segment Reporting Information
Segment revenue	263	244
EMEA
Segment Reporting Information
Segment revenue	147	118
APJ
Segment Reporting Information
Segment revenue	81	72
Operating segments
Segment Reporting Information
Gross profit	315	235
Operating segments | Americas
Segment Reporting Information
Gross profit	182	144
Operating segments | EMEA
Segment Reporting Information
Gross profit	88	61
Operating segments | APJ
Segment Reporting Information
Gross profit	45	30
Segment reconciling items
Segment Reporting Information
Stock-based compensation costs	3	4
Acquisition, integration, reorganization and transformation-related costs	5	0
Amortization of capitalized software costs	$ 0	$ 6

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