Goodwill and Intangible assets, net - Schedule of Intangible Assets by Asset Class (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Intangible Assets
Total	$ 3,830	$ 3,830
Accumulated Amortization	1,327	1,257
Net Carrying Amount	2,503
Total	2,503	2,573
Customer-related and contract based intangibles
Intangible Assets
Gross Carrying Amount	3,192	3,192
Accumulated Amortization	1,010	957
Net Carrying Amount	2,182	2,235
Technology related intangibles
Intangible Assets
Gross Carrying Amount	230	230
Accumulated Amortization	182	172
Net Carrying Amount	48	58
Trade name
Intangible Assets
Gross Carrying Amount	408	408
Accumulated Amortization	135	128
Net Carrying Amount	$ 273	$ 280

Schedule of intangible assets other than goodwill.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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