Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Investments in Tax Credit and Other Investments, Net [Line Items]
Minimum compliance period for qualified affordable housing partnerships to fully utilize the tax credits (in years)	15 years
Other Assets and Affordable Housing Partnership, Tax Credit and CRA Investments, Net
Investments in Tax Credit and Other Investments, Net [Line Items]
Equity securities without readily determinable fair value	$ 147	$ 146

Amount of investment in equity security without readily determinable fair value.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

Name:	us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant