Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Asset Class (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,595		$ 2,657
Accumulated Amortization and Impairment	2,170		2,210
Net Carrying Amount	425		447
Customer-related and contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,159		2,207
Accumulated Amortization and Impairment	1,801		1,833
Net Carrying Amount	358		374
Technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	436		450
Accumulated Amortization and Impairment	369		377
Net Carrying Amount	67		$ 73
Tradenames
Finite-Lived Intangible Assets [Line Items]
Amortized intangible assets	$ 14	$ 14