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Mortgage Servicing Assets - OMSR (Details) - Originated Mortgage Servicing Rights $ in Millions | 6 Months Ended
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Jun. 30, 2026 USD ($)
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items] |
Unpaid principal balance of loans sold during the period | $ 3,118
Pretax gains related to the sale of mortgage loans | $ 53
Weighted average servicing fee rate | 0.16%
Escrow earn rate assumption | 4.28%
Discount rate assumption | 9.77%
Default rate assumption | 1.03%
Prepayment rate assumption | 11.94%

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- Definition Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Default Rate + References No definition available. + Details
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- Definition Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Escrow Earn Rate + References No definition available. + Details
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- Definition Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Servicing Fee Rate + References No definition available. + Details
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- Definition Pretax Gains Related To The Sale of Mortgage Loans + References No definition available. + Details
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- Definition Discount rate which is used to value residual cash flows generated by financial assets of a securitization, asset-backed financing arrangement, or similar transfer regardless of when the transfer occurred. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481326/860-20-50-4 + Details
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- Definition Estimated rate of prepayment of principal on financial assets regardless of when the transfer occurred. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481326/860-20-50-4 + Details
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- Definition Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481326/860-20-50-4 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481326/860-20-50-4 + Details
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