Commitments, Contingent Liabilities and Guarantees - Visa Funding and Bancorp Cash Payments (Details) - USD ($) $ in Millions |
3 Months Ended | 180 Months Ended | ||||
|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2008 |
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| Visa Funding | ||||||
| Loss Contingencies | ||||||
| Visa Funding Amount | $ 125 | $ 500 | $ 500 | $ 375 | $ 8,115 | $ 3,000 |
| Bancorp Cash Payment | ||||||
| Loss Contingencies | ||||||
| Bancorp Cash Payment Amount | $ 6 | $ 21 | $ 21 | $ 15 | $ 354 | |
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The increase (decrease) during the period in the carrying value of derivative instruments reported as liabilities that are due to be disposed of within one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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