Description of business, including segment and geographic area information - Geographic Area Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Total revenue		$ 3,661	$ 4,379
Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Total revenue		$ 3,661	$ 4,379
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]
Total revenue		$ 1,288	$ 1,357
Concentration risk, percentage		35.00%	31.00%
China | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Total revenue		$ 623	$ 876
Concentration risk, percentage		17.00%	20.00%
Rest of Asia | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Total revenue		$ 401	$ 394
Concentration risk, percentage		11.00%	9.00%
Europe, Middle East and Africa (a) | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Total revenue	[1]	$ 955	$ 1,270
Concentration risk, percentage	[1]	26.00%	29.00%
Japan | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Total revenue		$ 330	$ 438
Concentration risk, percentage		9.00%	10.00%
Rest of world | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Total revenue		$ 64	$ 44
Concentration risk, percentage		2.00%	1.00%
Germany | Revenue from Contract with Customer, Product and Service Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage		13.00%	13.00%

[1] Revenue from end customers headquartered in Germany was 13% in the first quarters of both 2024 and 2023.