Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Asset Class (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Jun. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,657	$ 2,284
Accumulated Amortization and Impairment	2,210	2,016
Total	447	268
Customer-related and contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,207	1,904
Accumulated Amortization and Impairment	1,833	1,696
Total	374	208
Technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	450	380
Accumulated Amortization and Impairment	377	320
Total	73	$ 60
Tradenames
Finite-Lived Intangible Assets [Line Items]
Amortized intangible assets	$ 14