Goodwill and Intangible assets, net - Schedule of Intangible Assets by Asset Class (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Intangible Assets
Total	$ 3,830	$ 3,830
Accumulated Amortization	1,257	975
Net Carrying Amount	2,573
Total	2,573	2,855
Customer-related and contract based intangibles
Intangible Assets
Gross Carrying Amount	3,192	3,192
Accumulated Amortization	957	742
Net Carrying Amount	2,235	2,450
Technology related intangibles
Intangible Assets
Gross Carrying Amount	230	230
Accumulated Amortization	172	133
Net Carrying Amount	58	97
Trade name
Intangible Assets
Gross Carrying Amount	408	408
Accumulated Amortization	128	100
Net Carrying Amount	$ 280	$ 308