Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Asset Class (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 9,597	$ 9,172
Accumulated Amortization and Impairment	2,864	2,429
Total	6,733	6,743
Customer-related and contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,417	7,994
Accumulated Amortization and Impairment	2,448	2,050
Total	5,969	5,944
Tradenames
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	811	812
Accumulated Amortization and Impairment	96	66
Total	715	746
Technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	369	366
Accumulated Amortization and Impairment	320	313
Total	$ 49	$ 53