Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Asset Class (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 9,172	$ 2,244
Accumulated Amortization and Impairment	2,429	2,010
Total	6,743	234
Amortization and impairment of intangible assets	503	89	$ 113
Customer-related and contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,994	1,873
Accumulated Amortization and Impairment	2,050	1,686
Total	5,944	187
Tradenames
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	812	12
Accumulated Amortization and Impairment	66	12
Total	746	0
Technology and other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	366	359
Accumulated Amortization and Impairment	313	312
Total	$ 53	$ 47