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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(c)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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

Loan Servicing - Narrative (Details) $ in Millions	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Jun. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid principal balances of loans serviced for others totaled	$ 1,390	$ 1,410
Minimum \| Measurement Input, Discount Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Servicing asset, measurement input	0.085		0.090
Minimum \| Measurement Input, Prepayment Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Servicing asset, measurement input	0.060		0.058
Maximum \| Measurement Input, Discount Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Servicing asset, measurement input	0.110		0.115
Maximum \| Measurement Input, Prepayment Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Servicing asset, measurement input	0.132		0.125