Goodwill and Other Intangible Assets - Asset Management Business Acquisition Consideration Paid, Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Nov. 08, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Liabilities
Goodwill		$ 1,458	$ 1,176	$ 1,167
European-based asset management business of BMO Financial Group
Consideration paid
Cash	$ 973
Deferred considerations	(35)
Contingent considerations	28
Total	966
Assets
Cash and cash equivalents	397
Investments	77
Receivables	116
Other assets	295
Total assets	885
Liabilities
Debt	2
Accounts payable and accrued expenses	235
Other liabilities	190
Total liabilities	427
Identifiable net assets	458
Intangible assets	295
Deferred tax liability	74
Goodwill	$ 287