Deposits (Details) - USD ($) $ in Billions	Dec. 31, 2021	Dec. 31, 2020
United States
Deposit Liability [Line Items]
Time deposits that met or exceeded local jurisdictional limit	$ 9.4	$ 10.7
Non United States
Deposit Liability [Line Items]
Time deposits that met or exceeded local jurisdictional limit	$ 10.6	$ 11.8

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DepositLiabilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration