Parent-Only Financial Statements, Parent-Only Balance Sheet (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Assets [Abstract] | ||||||||||||
| Cash, cash equivalents, and restricted cash due from subsidiary banks | [1] | $ 172,593 | $ 201,902 | $ 236,052 | $ 159,157 | |||||||
| Other | [2] | 81,297 | 79,233 | |||||||||
| Total assets | [3] | 2,148,631 | 1,929,845 | |||||||||
| Liabilities and equity | ||||||||||||
| Accrued expenses and other liabilities | [2] | 68,196 | 61,145 | |||||||||
| Total liabilities | [4] | 1,965,593 | 1,748,779 | |||||||||
| Total Wells Fargo stockholders’ equity | 181,117 | 179,120 | ||||||||||
| Total liabilities and equity | 2,148,631 | 1,929,845 | ||||||||||
| Parent Company [Member] | ||||||||||||
| Assets [Abstract] | ||||||||||||
| Cash, cash equivalents, and restricted cash due from subsidiary banks | 15,562 | 20,991 | $ 15,856 | $ 16,171 | ||||||||
| Total assets | 376,925 | 379,504 | ||||||||||
| Liabilities and equity | ||||||||||||
| Accrued expenses and other liabilities | 7,387 | 8,380 | ||||||||||
| Long-term debt | 153,467 | 146,851 | ||||||||||
| Total liabilities | 195,808 | 200,384 | ||||||||||
| Total Wells Fargo stockholders’ equity | 181,117 | 179,120 | ||||||||||
| Total liabilities and equity | 376,925 | 379,504 | ||||||||||
| Parent Company [Member] | Subsidiaries [Member] | ||||||||||||
| Assets [Abstract] | ||||||||||||
| Cash, cash equivalents, and restricted cash due from subsidiary banks | 15,562 | 20,991 | ||||||||||
| Loans to nonbank subsidiaries | 183,044 | 185,269 | ||||||||||
| Investments in subsidiaries | 166,809 | 162,913 | ||||||||||
| Other | 11,510 | 10,331 | ||||||||||
| Liabilities and equity | ||||||||||||
| Indebtedness to nonbank subsidiaries | 34,954 | 45,153 | ||||||||||
| Parent Company [Member] | Indirect Bank Subsidiaries [Member] | ||||||||||||
| Assets [Abstract] | ||||||||||||
| Investments in subsidiaries | $ 177,100 | $ 169,600 | ||||||||||
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- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of investment in equity method investee and investment in and advance to affiliate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of short-term and long-term debt owed to non-banking institutions. No definition available.
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- Definition Amortized cost, of financing receivables due from nonbank entities. No definition available.
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