Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Asset Class (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,666	$ 2,710
Accumulated Amortization and Impairment	2,175	2,218
Net Carrying Amount	491	492
Customer-related and contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,219	2,289
Accumulated Amortization and Impairment	1,811	1,848
Net Carrying Amount	408	441
Tradenames
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14	14
Accumulated Amortization and Impairment	14	13
Net Carrying Amount	0	1
Technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	433	407
Accumulated Amortization and Impairment	350	357
Net Carrying Amount	$ 83	$ 50