Goodwill and Other Intangible Assets - Gross Carrying Amount, Accumulated Amortization and Net Carrying Amount of Other Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,879	$ 3,981
Accumulated Amortization	(2,225)	(2,165)
Net Carrying Amount	1,654	1,816	$ 1,827
Client relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,710	2,786
Accumulated Amortization	(1,535)	(1,497)
Net Carrying Amount	1,175	1,289
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	401	403
Accumulated Amortization	(159)	(142)
Net Carrying Amount	242	261
Core deposits
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	679	696
Accumulated Amortization	(457)	(451)
Net Carrying Amount	222	245
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	89	96
Accumulated Amortization	(74)	(75)
Net Carrying Amount	$ 15	$ 21