Description of business, including segment and geographic area information - Geographic Area Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Revenue		$ 4,825	$ 4,069
Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Revenue		$ 4,825	$ 4,069
Concentration risk, percentage		100.00%	100.00%
United States | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Revenue		$ 1,796	$ 1,518
Concentration risk, percentage		37.00%	37.00%
China | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Revenue		$ 1,024	$ 826
Concentration risk, percentage		21.00%	20.00%
Rest of Asia | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Revenue		$ 555	$ 438
Concentration risk, percentage		12.00%	11.00%
Europe, Middle East and Africa | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Revenue	[1]	$ 1,070	$ 936
Concentration risk, percentage	[1]	22.00%	23.00%
Japan | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Revenue		$ 289	$ 275
Concentration risk, percentage		6.00%	7.00%
Rest of world | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Revenue		$ 91	$ 76
Concentration risk, percentage		2.00%	2.00%
Germany | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage		10.00%	11.00%

[1] Revenue from end customers headquartered in Germany was 10% and 11% in the first quarters of 2026 and 2025, respectively.