Information about Geographic Areas and Products - Geographic Disclosures (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Revenues by geography
Total revenues	$ 1,512	$ 1,152	$ 4,282	$ 3,269
Property and equipment by geography
Property and equipment, net	$ 740		$ 740		$ 660
Percentage of U.S. revenues in North America	94.00%	94.00%	94.00%	94.00%
Percentage of U.S. net property and equipment in North America	83.00%		83.00%		78.00%
North America
Revenues by geography
Total revenues	$ 960	$ 755	$ 2,731	$ 2,162
Property and equipment by geography
Property and equipment, net	465		465		$ 395
EMEA
Revenues by geography
Total revenues	401	287	1,122	803
Property and equipment by geography
Property and equipment, net	178		178		172
Asia Pacific and other
Revenues by geography
Total revenues	151	$ 110	429	$ 304
Property and equipment by geography
Property and equipment, net	$ 97		$ 97		$ 93