Deposits (Narrative) (Details) - USD ($) $ in Billions	Dec. 31, 2023	Dec. 31, 2022
Deposits [Abstract]
Deposit Liability, Uninsured	$ 7.0	$ 8.9

Amount of uninsured deposit liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1406
-Paragraph (e)
-Publisher SEC

Name:	us-gaap_DepositLiabilityUninsured
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant