Proceeds from issuance Proceeds from Issuance of Long-Term Debt and Capital Securities, Net Commodity contracts [Member] Commodity Contract [Member] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Net change, Tax effect OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax Income tax expense (benefit), proportional amortization of investments Investment Program, Proportional Amortization Method, Applied, Amortization Expense Entity File Number Entity File Number Commissions and brokerage services fees [Member] Commissions and Brokerage Service Fees [Member] Commissions from transactional accounts with brokerage customers, and fees earned from other brokerage services include securities clearance, omnibus and networking fees received from mutual fund companies in return for providing record keeping and other administrative services, and annual account maintenance fees charged to customers. Other comprehensive income (loss), Tax effect Other Comprehensive Income (Loss), Tax Discount rate assumption Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate AFS and HTM debt securities [Member] AFS And HTM Debt Securities [Member] AFS and HTM Debt Securities [Member] Accounting Standards Adopted in 2026 New Accounting Pronouncements, Policy [Policy Text Block] Maximum exposure to loss Maximum exposure for loss Guarantor Obligations, Maximum Exposure, Undiscounted Debt securities [Member] Debt Securities [Member] Position [Axis] Position [Axis] Other liabilities, aggregate unpaid principal Other Liabilities, Aggregate Unpaid Principal For other liabilities for which the fair value option has been elected, this item represents the aggregate unpaid principal balance. Credit Rating [Axis] Credit Rating [Axis] Information by internal and external rating. Adjustment to Compensation: Adjustment to Compensation [Axis] Wealth and Investment Management [Member] Wealth And Investment Management [Member] Wealth and Investment Management (WIM) Member. Revenue and Expenses Revenue from Contract with Customer [Text Block] Cash Flow Hedges: Reclassification of Cash Flow Hedge Gain (Loss) [Abstract] Fair value option, changes in fair value, gain (loss) Fair Value, Option, Changes in Fair Value, Gain (Loss) Cash collateral netting, liabilities Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Adjustment to Compensation, Amount Adjustment to Compensation Amount Term loans by origination year, fiscal year before current fiscal year, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Amortized cost excluding accrued interest of financing receivable and net investment in lease, originated in fiscal year prior to current fiscal year. Pension plan assets [Member] Pension Plan [Member] Held-to-maturity, weighted average yield, remaining contractual maturity, due after five years through ten years Debt Securities, Held-to-Maturity, Maturity, Rolling after 5 through 10 Years, Weighted Average Yield Employee Stock Option Share-Based Payment Arrangement, Option [Member] Residential mortgage servicing rights [Member] Residential Mortgage Servicing [Member] Residential Mortgage Servicing. Net unrealized gains (losses) arising during the period, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Components of other comprehensive income and related tax effects [Abstract] Other Comprehensive Income (Loss), Net of Tax [Abstract] Common stock, shares authorized Common Stock, Shares Authorized Issued, shares Stock Issued During Period, Shares, New Issues Income Statement Impacts for Affordable Housing and Renewable Energy Tax Credit Investments Low-Income Housing Tax Credit Investments Results [Table Text Block] Low-income housing tax credit investments results. Held-to-maturity, amortized cost Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Net income (loss) from noncontrolling interests Net income (loss) from noncontrolling interests Less: Net income (loss) from noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Fair Value Assets And Liabilities Measured On Nonrecurring Basis Increase (Decrease) [Line Items] Fair Value Assets And Liabilities Measured On Nonrecurring Basis Increase (Decrease) [Line Items] Advanced Approach Under Basel III [Member] Banking Regulation, Advanced Approach [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Sales and net transfers (to)/from LHFS Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Significant Sales and Net Reclassification to (from) Held-for-Sale Net amount excluding accrued interest, of change in financing receivables and net investment in lease, from significant sales, and reclassifications during the period between held-for-sale and held-for-investment. Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Cumulative Other Comprehensive Income Balances [Abstract] Accumulative Other Comprehensive Income Balances [Abstract] Retirement Benefits [Abstract] Measurement input, market comparability adjustment [Member] Measurement Input, Comparability Adjustment [Member] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Securities based lending loans [Member] Securities Based Lending Loans [Member] Loans for the purpose of securities-based lending. Debt Securities, Held-to-Maturity, Rolling Maturity, Weighted Average Yield [Abstract] Debt Securities, Held-to-Maturity, Rolling Maturity, Weighted Average Yield [Abstract] Federal funds sold and securities borrowed or purchased under resale agreements Federal Funds Sold and Securities Purchased under Agreements to Resell Net unrealized gains (losses) arising during the period, Net of Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total interest expense Interest Expense, Operating Total VIE assets Assets, Statement of Financial Position of Consolidated Variable Interest Entity Carrying amount of the assets in the statement of financial position of the consolidated variable interest entity. Maximum length of time hedged in cash flow hedge Maximum Length of Time Hedged in Cash Flow Hedge Award Timing Method Award Timing Method [Text Block] Nonaccrual loans Financing Receivable, Excluding Accrued Interest, Nonaccrual FICO 700 to 739 [Member] FICO Score, 700 to 739 [Member] From 700 to 739 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Foreign currency translation adjustments, parent [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Wells Fargo & Company [Member] Parent Company [Member] Credit Quality Indicators for Other Consumer Loans by Vintage Financing Receivable Credit Quality Indicators, Other Consumer Loans [Table Text Block] Tabular disclosure of financing receivables by credit quality indicator for auto loans. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. Changes due to collection/realization of expected cash flows Changes due to collection/realization of expected cash flows Servicing Asset at Fair Value, Other Changes in Fair Value Trading Symbol Trading Symbol Nonaccrual lease financing without related allowance for credit losses Net Investment in Lease, Nonaccrual, No Allowance Loan recoveries, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Amount, excluding accrued interest, of increase in allowance for credit loss, on financing receivable and net investment in lease, from recovery. Term loans by origination year, two years before current fiscal year, net investment in lease Net Investment in Lease, Year Three, Originated, Two Years before Current Fiscal Year Available-for-sale, gross unrealized losses, excluding portfolio level basis adjustments Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Excluding Portfolio Level Basis Adjustments Amount, before tax and portfolio level basis adjustments, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Held-to-maturity, weighted average yield, remaining contractual maturity, due within one year Debt Securities, Held-to-Maturity, Maturity, Rolling within One Year, Weighted Average Yield Range of possible loss, portion not accrued Loss Contingency, Range of Possible Loss, Portion Not Accrued Serviced for Others Portfolio Mortgage Banking, Managed Servicing Portfolio Information [Table Text Block] Schedule of mortgage banking managed servicing portfolio information. Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Other Comprehensive Income [Table] Schedule of Other Comprehensive Income [Table] Interchange and merchant services fees [Member] Credit Card, Merchant Discount [Member] Total Derivative Credit Risk And Funding Valuation Adjustment Gain Loss Net Derivative credit risk and funding valuation adjustment gain (loss), net Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Common stock, shares, outstanding, beginning balance Common stock, shares, outstanding, ending balance Common Stock, Shares, Outstanding All other assets All Other Pledged Assets Amount of all other pledged assets not separately listed. Loans and Allowance for Credit Losses, Significant Activity [Abstract] Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] Held-to-maturity, gross unrealized losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Loans and Related Allowance for Credit Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Income tax expense (benefit), income tax credits and other income tax benefits Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization Expense Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Segregated for benefit of brokerage customers under federal and other brokerage regulations [Member] Restricted Cash And Cash Equivalent Brokerage Customers [Member] Restricted cash and cash equivalent segregated for benefit of brokerage customers under federal and other brokerage regulations Loans, 90 days or more past due and still accruing Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Guarantees and other commitments Carrying value of obligation Guarantor Obligations, Current Carrying Value Non-U.S. [Member] Geographic Distribution, Foreign [Member] Accrued expenses and other liabilities Accrued expenses and other liabilities Accounts Payable and Accrued Liabilities Net investment in lease, credit quality indicator, update frequency [Extensible Enumeration] Net Investment in Lease, Credit Quality Indicator, Update Frequency [Extensible Enumeration] Income tax expense (benefit) Income Tax Expense (Benefit) International [Member] International [Member] International [Member] Purpose of VIE [Axis] Purpose of VIE [Axis] Information by purpose of the variable interest entity. Lease financing, net Net Investment in Lease, after Allowance for Credit Loss Equity Securities Textual [Abstract] Equity Securities Textual [Abstract] Equity Securities Textual Abstract Preferred stock, shares issued and outstanding Preferred Stock, Shares Issued LTV 80.01-100% [Member] Debt-to-Value Ratio, 80 to 100 Percent [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Realized gains (losses) (pre-tax) reclassified from OCI into net income Realized Gain (Loss) On Cash Flow Hedges Reclassified From OCI Into Net Income Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). Risk-weighted assets Banking Regulation, Risk-Weighted Assets, Actual All other debt securities [Member] All Other Debt Securities [Member] Investments in debt securities classified as other. Fair Value Hedging Basis Adjustment [Abstract] Fair Value Hedging Basis Adjustment [Abstract] Fair Value Hedging Basis Adjustment [Abstract] Servicing asset, valuation technique [Extensible Enumeration] Servicing Asset, Valuation Technique [Extensible Enumeration] Variable interest entity, liability, recourse status [Extensible Enumeration] Variable Interest Entity, Liability, Recourse Status [Extensible Enumeration] Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table] Schedule of Guarantor Obligations [Table] Guarantor Obligation [Table] Financing receivable, practical expedient, accrued interest exclusion [true false] Financing Receivable, Practical Expedient, Accrued Interest Exclusion [true false] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Security Owned and Pledged as Collateral, [Abstract] Security Owned and Pledged as Collateral [Abstract] Security Owned and Pledged as Collateral Securities recognized Securities, Amount, Measurement With Observable Inputs, Additions The fair value of debt and equity securities recognized upon transfer of financial assets, that are measured using Level 2 measurements. Seller's interest percent Transferor’s Interest in Transferred Financial Assets, Percent The percentage of transferor's interests in principal receivables owned by trusts that are sponsored by the company. Series L - 7.50% Non-Cumulative Perpetual Convertible Class A Preferred Stock [Member] Convertible Preferred Stock, Series L [Member] Series L Preferred Stock [Member] Series L Preferred Stock Member. All Trading Arrangements All Trading Arrangements [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Securities lending arrangements Securities lending agreements Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred Changes in fair value of MSRs and LHFS carried at fair value Change in Fair Value of Mortgage Servicing Rights, Mortgages Held for Sale, and Loans Held for Sale The aggregate increase (decrease) in the market value of Mortgage Servicing Rights, Mortgages Held for Sale and Loans Held for Sale whose gains (losses) are included in earnings. Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset (Liability), Settlements Amount of settlements of financial instrument classified as an asset (liability) measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series Y Non-Cumulative Perpetual Class A Preferred Stock, Series Y [Member] Non-Cumulative Perpetual Class A Preferred Stock, Series Y [Member] Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales PEO Total Compensation Amount PEO Total Compensation Amount Purchase Commitment, Excluding Long-term Commitment [Axis] Purchase Commitment, Excluding Long-Term Commitment [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Derivative Liabilities, gross Total derivative liabilities (gross) Derivative Liability, Subject to Master Netting Arrangement, before Offset Trading debt securities [Member] Trading Debt Securities [Member] Trading Debt Securities [Member] Resecuritization [Member] Resecuritization [Member] Securities collateralized by resecuritizations. Number of reportable operating segments Number of Reportable Segments Net investment in lease, accounting policy election, accrued interest writeoff method [Fixed List] Net Investment in Lease, Accounting Policy Election, Accrued Interest Writeoff Method [Fixed List] Cumulative other comprehensive income, noncontrolling Interests [Member] AOCI Attributable to Noncontrolling Interest [Member] Entity Address, State or Province Entity Address, State or Province Total interest income Interest and Dividend Income, Operating Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Common stock dividends Dividends, Common Stock Loans Loans Receivable, Fair Value Disclosure Individual: Individual [Axis] Fair value, recurring basis, unobservable input reconciliation, asset (liability), gain (loss), OCI Fair Value, Recurring Basis, Unobservable Input Reconciliation, Asset (Liability), Gain (Loss), OCI Net Gains (Losses) from Equity Securities Net Gains (Losses) From Equity Securities Not Held For Trading [Table Text Block] Net Gains (Losses) from Equity Securities Not Held For Trading [Table Text Block] Cash dividends paid Payments of Ordinary Dividends, Common Stock Entities [Table] Entities [Table] Gross unrealized losses from observable price changes Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount Commercial MSRs at amortized cost, end of period Servicing Asset at Amortized Cost Net investment in lease, revolving loans converted to term loans, charge-offs Net Investment in Lease, Revolving, Converted to Term Loan, Writeoff Amount of writeoff of net investment in lease converted to term loan. Loans modified, commitment to lend additional funds Financing Receivable, Modified, Commitment to Lend During The Period Amount of commitment to lend additional funds during the period, to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable. Maximum exposure to loss Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Entity Interactive Data Current Entity Interactive Data Current Accrued expenses and other liabilities, carried at fair value Accounts Payable and Accrued Liabilities, Fair Value Disclosure Interest income Interest and Dividend Income, Operating [Abstract] Deposits Deposits Interest Expense, Deposits Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Key assumptions [Abstract] Assumption For Fair Value Of Assets Or Liabilities That Relate To Transferor's Continuing Involvement, Key Economic Assumptions [Abstract] Assumption For Fair Value Of Assets Or Liabilities That Relate To Transferor's Continuing Involvement, Key Economic Assumptions [Abstract] Noninterest income Noninterest Income [Abstract] Unreimbursed servicing costs Unreimbursed Servicing Costs Servicing costs of a servicer of financial assets that are not reimbursed, primarily related to foreclosures, unreimbursed interest advances to investors, other interest costs, and transaction costs associated with sales of MSRs. Other Other Assets, Miscellaneous Federal funds purchased and securities loaned or sold under repurchase agreements Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net Entity Central Index Key Entity Central Index Key PEO Name PEO Name Net gains (losses) recognized related to economic hedge derivatives Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Investment program, commitment Investment Program, Proportional Amortization Method, Elected, Commitment Noninterest-bearing deposits Noninterest-Bearing Deposit Liabilities Pension benefits nonqualified [Member] Nonqualified Plan [Member] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Fair value derivative assets, netting Derivative netting, Assets Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset Held-to-maturity, amortized cost, net, remaining contractual maturity, due after five years through ten years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Rolling Maturity [Abstract] Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Rolling Maturity [Abstract] Exercise Price Award Exercise Price Class of Stock [Domain] Class of Stock [Domain] Goodwill and Other Assets Textual [Abstract] Goodwill and Other Assets Textual [Abstract] Goodwill and Other Assets Textual Fair Value Option, Disclosures [Table] Fair Value Option, Disclosures [Table] Less than 12 months, Gross unrealized losses, available-for-sale Available For Sale Securities Debt Securities Continuous Unrealized Loss Position Less Than 12 Months Accumulated Loss Amount of accumulated unrealized loss on investments in debt securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Estimated future amortization expense for the year ended December 31, 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Repurchase and Securities Lending Agreements [Abstract] Repurchase And Securities Lending Agreements [Abstract] Debt-to-Value [Domain] Debt-to-Value [Domain] Pension benefits qualified [Member] Qualified Plan [Member] Quantitative Information, Transferor's Continuing Involvement [Table] Quantitative Information, Transferor's Continuing Involvement [Table] Quantitative information related to a transferor's continuing involvement with financial assets transferred to a transferee in a securitization, asset-backed financing arrangement, or similar transfer. Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Held-to-maturity, percent of investment grade Debt Securities, Held-To-Maturity, Percent Of Investment Grade Percentage of amortized cost of held-to-maturity debt securities determined by those rated investment grade, inclusive of those based on internal credit grades. Revolving loans converted to term loans, charge-offs Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Amortization of prior service credit Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Series AA - 4.70% Non-Cumulative Perpetual Class A Preferred Stock [Member] Series AA Preferred Stock [Member] Series AA Preferred Stock Fair Value as of Grant Date Award Grant Date Fair Value Reclassification of net (gains) losses to net income on cash flow hedges, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Disposal group, held-for-sale, not discontinued operations [Member] Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Term loans by origination year, four years before current fiscal year, finance receivable Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Equity Securities Equity Securities [Text Block] Equity Securities [Text Block] Total loans Continuing Involvement with Transferred Financial Assets, Principal Amount Outstanding Debt securities, available-for-sale, excluded accrued interest from amortized cost [true false] Debt Securities, Available-for-Sale, Excluded Accrued Interest from Amortized Cost [true false] Document Quarterly Report Document Quarterly Report Long-term debt, carried at fair value Long-term debt Long-term debt, carried at fair value Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Nonaccrual Loans Financing Receivable, Nonaccrual [Table Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Debt securities, net unrealized gains (losses) Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain (loss) Amount of cumulative unrecognized net gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Reclassification of amounts to noninterest expense, Before tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Non-PEO NEO Non-PEO NEO [Member] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Position [Domain] Position [Domain] Net gains (losses) from trading activities Total net gains (losses) from trading activities Trading Gain (Loss) Preferred stock, dividend rate (percent) Preferred Stock, Dividend Rate, Percentage Other interest income Interest Income, Other Percentage of AFS and HTM debt securities with the same credit rating Percentage of AFS and HTM debt securities with the same credit rating Percentage of AFS and HTM debt securities with the same credit rating Equity securities, FV-NI, valuation technique [Extensible Enumeration] Equity Securities, FV-NI, Valuation Technique [Extensible Enumeration] Available-for-sale, gross unrealized gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Hiring Practices Matters - Securities Fraud Class Action [Member] Hiring Practices Matters - Securities Fraud Class Action [Member] Hiring Practices Matters - Securities Fraud Class Action [Member] Net unrealized gains (losses) (pre-tax) recognized in OCI Net unrealized gains (losses) arising during the period, Before Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Total revenue Revenues, Net of Interest Expense Over 90 days [Member] Maturity Greater than 90 Days [Member] Other, net Other Noncash Income (Expense) Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Discount rates [Member] Discount Rates [Member] Discount rates, excluding mortgage interest rates, used to estimate the fair value of servicing assets and servicing liabilities. Federal funds purchased and securities loaned or sold under repurchase agreements Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase Litigation Settlement, Expense Litigation Settlement, Fee Expense Equity Securities Equity Securities Not Held For Trading [Table Text Block] Equity Securities Not Held For Trading [Table Text Block] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Estimated fair value [Member] Estimate of Fair Value Measurement [Member] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Lease financing Variable Lease, Income MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value, Option, Quantitative Disclosures [Line Items] Total loans Total loans Loans (period-end) Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss Financing receivable amortized cost, and net investment in sales-type and direct financing leases, excluding accrued interest, before allowance for credit loss. Deposit-related fees [Member] Deposit Account [Member] Total trading assets prior to derivative netting Trading Assets, Gross Before Derivative Netting, Fair Value Disclosure Gross trading assets at fair value, prior to derivative netting. Mortgage Banking Noninterest Income Components Of Mortgage Banking Noninterest Income [Table Text Block] Components Of Mortgage Banking Noninterest Income. Hedged liability, statement of financial position [Extensible Enumeration] Hedged Liability, Statement of Financial Position [Extensible Enumeration] Financial Instruments [Domain] Financial Instruments [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Government guaranteed mortgage loans upon foreclosure receivable [Member] Government Guaranteed Mortgage Loans upon Foreclosure Receivable [Member] Reclassification of net (gains) losses to net income on cash flow hedges, Net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Impact on fair value from 10% adverse change Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Prepayment Speed Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Repurchases of assets/loss reimbursements Cash Flows Between Transferor and Transferee, Purchases of Previously Transferred Financial Assets Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Other comprehensive income (loss), Before tax Other Comprehensive Income (Loss), before Tax Gains (losses) recognized on cash flow hedging relationships [Abstract] Effect of Cash Flow Hedges on Results of Operations [Abstract] Credit Rating [Domain] Credit Rating [Domain] Information by internal and external rating. Legal Actions Commitments and Contingencies Disclosure [Text Block] Net derivative assets and (liabilities) Derivative Assets (Liabilities), at Fair Value, Net Diluted average common shares outstanding (in shares) Diluted average common shares outstanding (denominator) (in shares) Weighted Average Number of Shares Outstanding, Diluted Lease financing [Member] Commercial Lease Financing Receivable [Member] Commercial Lease Financing Receivable [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Income (loss) before income tax expense, equity method investments Investment Program, Proportional Amortization Method, Elected, Equity Method Investment, Income (Loss) from Tax Credit Investment Entity Small Business Entity Small Business Maximum exposure to loss, Expires in one year or less Guarantor Obligations, Maximum Exposure, Expires in One Year or Less Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions, expiring in one year or less. Held-to-maturity, fair value, remaining contractual maturity, due within one year Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Schedule Of Available-For-Sale and Held-To-Maturity Debt Securities [Line Items] Schedule Of Available-For-Sale and Held-To-Maturity Debt Securities [Line Items] Collateral received not recognized in consolidated balance sheet Securities Purchased under Agreements to Resell and Securities Borrowed, Collateral Amount of collateral received related to exposures subject to enforceable master repurchase agreements and master securities lending agreements. While these agreements are typically over-collateralized, the collateral amount is limited to the amount of the related recognized asset for each counterparty. Operating lease, right-of-use asset, statement of financial position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Loan Restructuring Modification Name [Axis] Loan Restructuring Modification Name [Axis] Long-term debt [Member] Long-Term Debt [Member] Preferred stock, carrying value Preferred Stock, Value, Outstanding Document Period End Date Document Period End Date Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Excluding modifications in payment deferral period member [Member] Excluding Modifications in Payment Deferral Period Member [Member] Excluding loan modifications still in a payment deferral period. Subsequent Events Subsequent Events, Policy [Policy Text Block] Net derivative liabilities with credit-risk contingent features Derivative, Net Liability Position, Aggregate Fair Value Voting rights Preferred Stock, Voting Rights Fair value option election [Member] Fair Value Option Election [Member] Related effect on fair value recurring line items in the statement of financial position as a result of electing the fair value option. Total Derivatives, net, assets Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Total equity Balance, beginning of period Balance, end of period Equity, Including Portion Attributable to Noncontrolling Interest Preferred stock, par or stated value Preferred Stock, Par or Stated Value Face amount or stated value of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value Earnings and Dividends Per Common Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Available-for-sale, net unrealized gains (losses), excluding portfolio level basis adjustments Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax Excluding Portfolio Level Basis Adjustments Amount, before tax and portfolio level basis adjustments, of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Corporate/bank-owned life insurance Life Insurance, Corporate or Bank Owned, Amount Commercial financing structures [Member] Commercial Financing Structures [Member] VIE that engages in commercial lending and leasing to specified vendors. Valuation Model Inputs or Assumptions [Domain] Valuation Model Inputs or Assumptions [Domain] Statistical Measurement [Axis] Statistical Measurement [Axis] Term loans by origination year, fiscal year before current fiscal year, charge-offs Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Loans originated, net of principal collected Proceeds (Payments) from Loan and Lease Originations and Principal Collections The net cash inflow (outflow) related to a loan origination (the process when securing a mortgage for a piece of real property), lease origination, and principal collections. Net derivative assets and (liabilities), term of contract Derivative, Term of Contract Mortgage banking Total mortgage banking noninterest income Fees and Commissions, Mortgage Banking and Servicing Direct pay letters of credit [Member] Direct Pay Letters of Credit [Member] Instruments which provide credit enhancements for certain bond issuances. Beneficiaries (bond trustees) may draw upon these instruments to make scheduled principal and interest payments, redeem all outstanding bonds because a default event has occurred, or for other reasons as permitted by the agreement. Equity securities (cost method) Equity Securities Without Readily Determinable Fair Value, Federal Reserve Bank Stock And Other Equity Securities Not Held For Trading, Amount Equity securities without a readily determinable fair value, consisting of investments in Federal Reserve Bank stock as well as equity securities classified as other and not held for trading. All other modifications and combinations [Member] Loan Modification Other [Member] Loan modifications and combinations classified as other. Series EE - 7.625% Fixed-Reset-Non-Cumulative Perpetual Class A Preferred Stock [Member] Series EE Preferred Stock [Member] Series EE Preferred Stock [Member] Other liabilities Other liabilities Other Liabilities, Fair Value Disclosure Loans modified during the period Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Lending-related fees Fees And Commissions Lending Activities 1 Charges and fees on loans and letter of credit fees. Assets sold Transfer of Financial Assets Accounted for as Sales, Amount Derecognized During the Period Amount during the period of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction. Other Expense [Abstract] Other Expense [Abstract] Other Expense Abstract Diluted earnings per common share (in dollars per share) Per share (in dollars per share) Earnings Per Share, Diluted Supplementary leverage ratio (SLR) Banking Regulation, Supplementary Leverage Ratio, Actual Number of common stock shares per preferred share Preferred Stock, Convertible, Shares Issuable Measurement Alternative [Table] Measurement Alternative [Table] Measurement Alternative [Table] Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Loans modified during the period Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Preferred stock dividends Dividends, Preferred Stock, Cash Equity securities Equity Securities, FV-NI and without Readily Determinable Fair Value Commercial and industrial loans [Member] Commercial Loan [Member] Business Description and Basis of Presentation Business Description and Basis of Presentation [Text Block] Derivative liability, statement of financial position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Securities Financing Transaction [Table] Security Financing Transaction [Table] Leasing Activity Disclosures Textual [Abstract] Leasing Activity Disclosures Textual [Abstract] Leasing Activity Disclosures Textual [Abstract] Wells Fargo Finance, LLC [Member] Wells Fargo Finance, LLC [Member] Wells Fargo Finance, LLC [Member] Originations/purchases Servicing Asset at Fair Value, Additions Required minimum leverage Required Minimum Leverage [Abstract] Required Minimum Leverage Fair value measurement, nonrecurring, fair value measurement date is different than period end date [true false] Fair Value Measurement, Nonrecurring, Fair Value Measurement Date is Different than Period End Date [true false] Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series AA Non-Cumulative Perpetual Class A Preferred Stock, Series AA [Member] Non-Cumulative Perpetual Class A Preferred Stock, Series AA Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Stockholders' equity, other Stockholders' Equity, Other Commodity [Member] Commodity [Member] Sold Credit Derivatives Disclosure of Credit Derivatives [Table Text Block] Net expense (benefit) recognized within income tax expense Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, after Amortization Expense Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] OTC [Member] Over-the-Counter [Member] If-converted method [Member] Earnings Per Share, If-Converted Method [Member] Net change, net of tax Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax and Reclassification Adjustment Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year Available-for-sale, gross unrealized gains, excluding portfolio level basis adjustments Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Excluding Portfolio Basis Adjustments Amount, before tax and portfolio level basis adjustments, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Wells Fargo Bank, NA [Member] Subsidiaries [Member] Not held for trading [Member] Not Held For Trading [Member] Not Held for Trading [Member] Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items] Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items] Regulatory Capital Information Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Available-for-sale, fair value, remaining contractual maturity, due after five years through ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Physical commodities inventory Financial Instruments, Owned, Physical Commodities, at Fair Value Loans Total loans Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Fair value, net derivative asset (liability), recurring basis, unobservable input reconciliation, gain (loss), statement of income or comprehensive income [Extensible Enumeration] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Segment, interest revenue reported net of interest expense [true false] Segment, Interest Revenue Reported Net of Interest Expense [true false] Reconciling Items [Member] Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Total net servicing income Mortgage Servicing Noninterest Income Total mortgage servicing noninterest income. Estimated future amortization expense for the year ended December 31, 2031 Finite-Lived Intangible Asset, Expected Amortization, Year Five Prepayment rate assumption Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed Corporate and Investment Banking [Member] Corporate and Investment Banking [Member] Corporate and Investment Banking Accounting method, investment tax credit, deferral Accounting Method, Investment Tax Credit, Deferral [Member] Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Asset (Liability), Transfers out of Level 3 Amount of transfers of financial instrument classified as an asset (liability) out of level 3 of the fair value hierarchy. Servicing rights recognized Servicing Asset At Fair Value, Amount, Measurement With Unobservable Inputs, Additions The fair value of an asset recognized upon transfer of financial assets, representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs. All other assets [Member] All Other Assets [Member] Amount of all other assets not separately listed; includes trading assets, debt securities, and other assets. Available-for-sale, weighted average yield, remaining contractual maturity, due within one year Debt Securities, Available-for-Sale, Maturity, Rolling within One Year, Weighted Average Yield Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] Fair Value Assets Measured On Nonrecurring Basis Increase Decrease [Table] Fair Value Assets Measured On Nonrecurring Basis Increase Decrease [Table] Fair Value Assets Measured On Nonrecurring Basis Increase Decrease Table Transaction [Domain] Transaction [Domain] Foreign currency translation adjustments [Member] Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Total derivatives subject to enforceable master netting arrangements, net, liabilities Derivative Liability, Subject to Master Netting Arrangement, after Offset Adjustments to reconcile net income to net cash provided (used) by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Hiring Practice Matters - Shareholders [Member] Hiring Practice Matters - Shareholders [Member] Hiring Practice Matters - Shareholders Net Derivative Assets (Liabilities): Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Gains (Losses) on Changes in Fair Value Included in Earnings Fair Value Option, Changes in Fair Value Included in Earnings [Table Text Block] Disclosure of information about fair value changes included in earnings under fair value option. Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Net Investment in Lease, before Allowance for Credit Loss [Abstract] Net Investment in Lease, before Allowance for Credit Loss [Abstract] Guarantees Obligations Textual [Abstract] Guarantees Obligations Textual [Abstract] Guarantees Obligations Textual Federal home loan bank stock Federal Home Loan Bank Stock Other Other Noninterest Expense Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Interest rate contracts [Member] Interest Rate Contract [Member] Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Securitized Loans By Type [Line Items] Securitized Loans By Type [Line Items] Antidilutive instruments Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Liabilities: Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Accounting Method [Axis] Accounting Method [Axis] Accounting method elected. Not government insured/guaranteed [Member] Loans Excluding Government Insured or Guaranteed Loans [Member] Loans excluding government insured or guaranteed loans. Other Commitments [Table] Other Commitments [Table] Unconsolidated VIEs Transactions With Unconsolidated Variable Interest Entities [Table Text Block] Transactions with Unconsolidated Variable Interest Entities. Measure: Measure [Axis] Lease expense Direct Costs of Leased and Rented Property or Equipment Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Fair value hedges, parent [Member] AOCI, Derivative Qualifying as Hedge, Excluded Component, Parent [Member] Held-to-maturity, fair value, remaining contractual maturity, due after five years through ten years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Banking Regulation, Global Systemically Important Bank (GSIB) Surcharge Banking Regulation, Global Systemically Important Bank (GSIB) Surcharge Disposal Group Classification [Domain] Disposal Group Classification [Domain] Total Consumer [Member] Consumer Portfolio Segment [Member] Regulatory capital ratios: Banking Regulation, Total Capital [Abstract] Held-to-maturity, amortized cost, net, remaining contractual maturity, due within one year Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling within One Year Available-for-sale, fair value, remaining contractual maturity, due after ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Assumptions and Sensitivity of Residential MSRs Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table Text Block] Changes in Level 3 Fair Value Assets and Liabilities on a Recurring Basis Changes In Fair Value Of Level 3 Assets And Liabilities Recurring Basis [Table Text Block] Tabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings are reported in the statement of income; (2) purchases, sales, issues, and settlements; and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset and liability. Cash flow hedges [Member] Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Income Tax Positions [Axis] Income Tax Positions [Axis] Written options [Member] Short [Member] Market-related valuation changes to residential MSRs, net of hedge results Servicing Asset At Fair Value Sum Of Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions And Net Derivative Gains Losses The sum of the net increase (decrease) in fair value included in income as a result of changes in the inputs, assumptions, or model used to calculate the fair value of servicing assets and net derivative gains (losses) from economic hedges. Common stock, shares issued Common Stock, Shares, Issued Derivative asset, statement of financial position [Extensible Enumeration] Derivative Asset, Statement of Financial Position [Extensible Enumeration] Gains (Losses) on Economic Hedge and Other Derivatives Derivatives Not Designated as Hedging Instruments [Table Text Block] Pledged to counterparties that had the right to sell or repledge [Member] Asset Pledged as Collateral with Right [Member] Federal agency mortgage-backed securities [Member] Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Long-term debt, aggregate unpaid principal Long-Term Debt, Aggregate unpaid principal For long-term debt for which the fair value option has been elected, this item represents the aggregate unpaid principal balance. Total Shareholder Return Amount Total Shareholder Return Amount DVA Debit Valuation Gain Loss On Derivative Liability Debit valuation gain (loss) on derivative liability Operating leases Operating Lease, Lease Income Loss Contingencies [Line Items] Loss Contingencies [Line Items] Expected weighted-average life (in years) Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Weighted Average Life Security Exchange Name Security Exchange Name Operating Lease Right-of-Use (ROU) Assets and Lease Liabilities Lessee, Operating Lease, Right-of-Use Asset and Liability [Table Text Block] Tabular disclosure of lessee's operating lease right-of-use assets and liabilities recognized in statement of financial position. Other assets [Member] Other Assets Instruments [Member] Other Assets Instruments [Member] Net gains (losses) on mortgage loan originations/sales Gain Loss On Mortgage Loan Origination And Sales Activities Gain loss on mortgage loan origination and sales activities. Credit [Member] Credit [Member] Asset Class [Domain] Asset Class [Domain] Net gains (losses) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Statement [Line Items] Statement [Line Items] Assets (average) Assets, Average Outstanding Carrying amount of assets Hedged Asset, Fair Value Hedge Unfunded credit commitments Unused Commitments to Extend Credit Common Stock, par value $1-2/3 Common stock [Member] Common Stock [Member] Long-term debt: Proceeds from (Repayments of) Long-Term Debt and Capital Securities [Abstract] Deposit liabilities with no defined or contractual maturity Deposit Liabilities With No Defined or Contractual Maturity Deposit Liabilities With No Defined or Contractual Maturity Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Accounts, Notes, Loans and Financing Receivable Textual [Abstract] Accounts, Notes, Loans and Financing Receivable Textual [Abstract] Accounts, Notes, Loans and Financing Receivable Textual [Abstract] Statistical Measurement [Domain] Statistical Measurement [Domain] Underlying Asset Class [Axis] Underlying Asset Class [Axis] Corporate loan structures [Member] Corporate Loan Structures [Member] VIE that supports customer accommodation trading activities involving trading loans and derivatives that provide returns from the referenced corporate loans. Earnings per common share Earnings Per Share, Basic [Abstract] Measurement alternative [Member] Measurement Alternative [Member] Measurement Alternative [Member] Dividends Declared Per Common Share Dividends Declared [Table Text Block] Number of additional common stock shares per preferred share Preferred Stock, Convertible, Maximum Additional Shares Issuable Maximum number of additional common shares issuable upon conversion of preferred stock, if converted within 30 days of certain liquidation or change of control events. LTV greater than 100% [Member] Debt-to-Value Ratio, Greater than 100 Percent [Member] Debt-to-value (DTV) ratio greater than 100 percent. Income (loss) before income tax expense, proportional amortization method investments Investment Program, Proportional Amortization Method, Applied, Non-Income-Tax-Related Activity and Other Return No FICO available [Member] No FICO available [Member] No FICO available credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Liabilities: Liabilities, Fair Value Disclosure [Abstract] Additional collateral to be posted upon a below investment grade credit rating Additional Collateral, Aggregate Fair Value Revolving loans, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Revolving Amortized cost excluding accrued interest, of financing receivable and net investment in lease, that can be withdrawn, repaid, and redrawn. Other comprehensive income (loss), net of tax Other comprehensive income (loss), net of tax Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Operating Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Short-term borrowings Short-Term Debt Short-Term Debt Measurement Input Type [Domain] Measurement Input Type [Domain] Revolving loans, net investment in lease Net Investment in Lease, Revolving Amount of net investment in lease that can be withdrawn, repaid, and redrawn. Delinquent loans and foreclosed assets Delinquent Amount at End of Period on Loans and Foreclosed Assets Managed and Securitized or Asset-backed Financing Arrangement Includes off balance-sheet amounts sold or securitized for both the principal amount of loans (across all types of loans) that are overdue in payment by a set number of days, and the carrying amount of assets obtained through foreclosure proceedings. Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] VIEs that we consolidate [Member] Variable Interest Entity, Primary Beneficiary [Member] Fair Value Measurement Inputs and Valuation Techniques [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Abstract] Total liabilities and equity Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Overdraft [Member] Overdraft [Member] Receivable from customer that is considered to be an overdraft. Defined benefit plans adjustments, parent [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Available-for-sale debt securities [Member] Available-for-Sale Securities [Member] Purpose of VIE [Domain] Purpose of VIE [Domain] Purpose of the variable interest entity. Debt securities, available-for-sale, accounting policy election, accrued interest writeoff method [Fixed List] Debt Securities, Available-for-Sale, Accounting Policy Election, Accrued Interest Writeoff Method [Fixed List] Financing receivable line of credit facility remaining borrowing capacity Financing Receivable Line Of Credit Facility Remaining Borrowing Capacity Amount of borrowing capacity currently available under the line of credit facility (current borrowing capacity less the amount of borrowings outstanding). Non-cash collateral not offset, assets Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Guarantees [Abstract] Guarantees [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Available-for-sale, weighted average yield, remaining contractual maturity, due after ten years Debt Securities, Available-for-Sale, Maturity, Rolling after 10 Years, Weighted Average Yield Net unrealized gains (losses) Equity Securities Without Readily Determinable Fair Value Not Held For Trading, Unrealized Gain (Loss) Amount of unrealized gain (loss) on equity securities without readily determinable fair value not held for trading. Purchases of held-to-maturity debt securities Debt Securities, Held-to-Maturity, Purchase Preferred stock, convertible, settlement method [Extensible Enumeration] Preferred Stock, Convertible, Settlement Method [Extensible Enumeration] Adjusted average assets Adjusted Average Assets Average assets used in calculation of Tier 1 Leverage Capital to average assets as defined in the regulations. Net income (loss) before noncontrolling interests Net income (loss) before noncontrolling interests Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Term loans by origination year, current fiscal year, finance receivable Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Pay vs Performance Disclosure [Line Items] Total financial liabilities Financial Liabilities Fair Value Disclosure Assets: Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Regulatory Capital Requirements and Other Restrictions Regulatory Capital Requirements under Banking Regulations [Text Block] Other accrued expenses and liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Term loans by origination year, two years before current fiscal year, finance receivable Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Term loans by origination year, more than five years before current fiscal year, charge-offs Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Derivatives and hedging activities: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Fair value, asset, recurring basis, unobservable input reconciliation, gain (loss), statement of income or comprehensive income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Wells Fargo comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Home Mortgage Discrimination Litigation - Shareholder Derivative Lawsuit [Member] Home Mortgage Discrimination Litigation - Shareholder Derivative Lawsuit [Member] Home Mortgage Discrimination Litigation - Shareholder Derivative Lawsuit [Member] Accounting Policy Election [Axis] Accounting Policy Election [Axis] Accounting policy elections made by the company. Deposits Increase (Decrease) in Deposits Sales Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales Class of Stock [Line Items] Class of Stock [Line Items] Summary of OCI Comprehensive Income (Loss) [Table Text Block] Long-term debt Long-term debt Long-Term Debt Series Y - 5.625% Non-Cumulative Perpetual Class A Preferred Stock [Member] Series Y Preferred Stock [Member] Series Y Preferred Stock [Member] Total assets Assets Assets Available-for sale, at amortized cost, net of allowance for credit losses, including portfolio level basis adjustments Available-for sale, at amortized cost, net of allowance for credit losses, including portfolio level basis adjustments Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Including Portfolio Level Basis Adjustments After Allowance For Credit Loss Amortized cost excluding accrued interest, including portfolio level basis adjustments, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income. Other consumer [Member] Consumer, Other [Member] Exchange and clearing house guarantees [Member] Exchange And Clearing House Guarantees [Member] Agreements in which members of the exchange and clearing house organizations are required to collectively guarantee the performance of other members and of the organization. Lessor Disclosure [Abstract] Lessor Disclosure [Abstract] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Net unrealized gains (losses) arising during the period, Before tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Available For Sale And Held To Maturity Debt Securities Credit Ratings [Abstract] Available For Sale And Held To Maturity Debt Securities Credit Ratings [Abstract] Revolving loans converted to term loans, net investment in lease Net Investment in Lease, Revolving, Converted to Term Loan Amount of net investment in lease, of revolving converted to term. Net investment in lease by origination year, current fiscal year, charge-offs Net Investment in Lease, Year One, Originated, Current Fiscal Year, Writeoff Proceeds from sales of and paydowns on loans originally classified as held for sale Proceeds from Sale and Collection, Loan, Held-for-Sale Private equity [Member] Private Equity Funds [Member] Mortgage Banking Activities Mortgage Banking Activities [Text Block] Disclosures on mortgage banking activities that consist of residential and commercial originations and servicing. Held-to-maturity, at fair value Held-to-maturity, fair value Debt Securities, Held-to-Maturity, Fair Value Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Purchases Payments to Acquire Not-Held-For-Trading Equity Securities The cash outflow to acquire not-held-for-trading equity securities, consisting of either fair value, equity method cost or the measurement alternatives. Loans Not Insured or Guaranteed by Government Authorities [Domain] Loans Not Insured or Guaranteed by Government Authorities [Domain] Information by US and non-US non-government insured or guaranteed loans. Term loans by origination year, current fiscal year, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Amortized cost excluding accrued interest, of financing receivable and net investment in lease, originated in current fiscal year. Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, after Amortization, Statement of Cash Flows Extensible Enumeration Not Disclosed Flag Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit After Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit After Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Net derivative assets and (liabilities), measurement input Derivative Asset (Liability) Net, Measurement Input Trading and other [Member] Trading And Other [Member] Trading and other PEO PEO [Member] Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Servicing asset, fair value by fair value hierarchy level [Extensible Enumeration] Servicing Asset, Fair Value by Fair Value Hierarchy Level [Extensible Enumeration] Investment program proportional amortization method elected income tax credit and other income tax benefit before amortization statement of cash flows extensible enumeration not disclosed flag Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit Before Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit Before Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Subordinated securities [Member] Subordinated Securities [Member] This element represents subordinated securities. Measurement input, conversion factor [Member] Measurement Input, Conversion Factor [Member] Measurement Input, Conversion Factor [Member] Available-for-sale, fair value, remaining contractual maturity, due within one year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Common Equity Tier 1 Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Actual Nonconforming mortgage loan securitizations [Member] Nonconforming Mortgage Loan Securitization [Member] A a mortgage loan whose underlying terms and conditions do not meet government-sponsored enterprise guidelines. Retained earnings [Member] Retained Earnings [Member] Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Resale and securities borrowing agreements, unfunded contractual commitments Resale And Securities Borrowing Agreements, Unfunded Contractual Commitments Unfunded contractual commitments under resale and securities borrowing agreements. Derivative assets Derivative Asset Consolidated VIEs Transactions With Consolidated Variable Interest Entities [Table Text Block] Transactions With Consolidated Variable Interest Entities. Fair Value Estimates for Financial Instruments Fair Value Of Financial Instruments [Table Text Block] Tabular disclosure of financial instruments that are not measured at fair value. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Nonrecurring [Member] Fair Value, Nonrecurring [Member] Transfers out of level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Transfers out of Level 3 Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 Securitizations and Variable Interest Entities Securitizations And Variable Interest Entities [Text Block] Disclosure of classifications of assets and liabilities associated with transactions with QSPEs and VIEs. Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Transfers into level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Asset (Liability), Transfers Into Level 3 Amount of transfers of financial instrument classified as an asset (liability) into level 3 of the fair value hierarchy. Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities after derivative netting Liabilities, Fair Value Disclosure Available For Sale and Held To Maturity Debt Securities Income Statement Impacts [Abstract] Available For Sale and Held To Maturity Debt Securities Income Statement Impacts [Abstract] Detail of Preferred Stock [Abstract] Detail of Preferred Stock [Abstract] Detail Of Preferred Stock Abstract. Net actuarial and prior service gains (losses) arising during the period, Net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Gross amounts recognized Securities Purchased under Agreements to Resell and Securities Borrowed, Gross Amount, before effects of master repurchase agreements and master securities lending agreements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price, and of securities borrowed from entities in exchange for collateral. Loans and LHFS sold with recourse [Member] Obligation to Repurchase Receivables Sold [Member] Revolving loans, finance receivable Financing Receivable, Excluding Accrued Interest, Revolving Risk participation swaps [Member] Risk participation Swap [Member] Risk participation swap transaction where the bank sells its exposure to a contingent obligation to another financial institution. City Area Code City Area Code Depositary Shares, each representing a 1/25th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series DD Non-Cumulative Perpetual Class A Preferred Stock, Series DD [Member] Non-Cumulative Perpetual Class A Preferred Stock, Series DD Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Net change in: Net Change In Financing Activities [Abstract] Net Change In Financing Activities [Abstract] Liability for contingent litigation losses [Member] Liability for Contingent Litigation Losses [Member] Liability for contingent litigation losses. Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Securitized Loans, By Type [Table] Securitized Loans, By Type [Table] Revolving loans converted to term loans, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Revolving, Converted to Term Loan Amortized cost excluding accrued interest, of revolving financing receivable and net investment in lease, converted to term loan. Operating lease, liability, statement of financial position [Extensible Enumeration] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Fair value hedging [Member] Fair Value Hedging [Member] Fair value hedges, noncontrolling interest [Member] AOCI, Derivative Qualifying as Hedge, Excluded Component, Noncontrolling Interest [Member] Schedule of Servicing Assets at Fair Value [Table] Servicing Asset at Fair Value, Activity [Table] Measurement input, multiples [Member] Measurement Input, Multiples [Member] Measurement input using various multiples: earnings before interest, tax, depreciation and amortization (EBITDA), revenue, book value, and other. Equity securities Equity securities at fair value Equity Securities, FV-NI Loss Contingency, Estimate of Possible Loss Loss Contingency, Estimate of Possible Loss Interest income on lease financing Sales-type and Direct Financing Leases, Interest Income FICO 660 to 699 [Member] FICO Score, 660 to 699 [Member] From 660 to 699 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Interest expense Interest Expense, Operating [Abstract] Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 DVA Derivative Credit Risk Valuation Adjustment, Derivative Liabilities Proceeds from transfer Transfer of Financial Assets Accounted for as Sales, Cash Proceeds Received for Assets Derecognized, Amount During the Period Amount during the period, before counterparty netting, of cash proceeds received in transfers of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction. Segment reporting, CODM, individual title and position or group name [Extensible Enumeration] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] 30-89 days past due [Member] 30-89 days past due and still accruing [Member] 30-89 days past due and still accruing [Member] Pledged Assets and Collateral Transfers and Servicing of Financial Assets [Text Block] Cash flow hedges, noncontrolling interest [Member] Accumulated Gain (Loss), Net, Cash Flow Hedge, Noncontrolling Interest [Member] Supplemental cash flow disclosures: Supplemental Cash Flow Information [Abstract] Balance, beginning of period Balance, end of period Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Deposit and lending-related fees Fees And Commissions on Deposit Accounts and Lending Activities Charges and fees on deposit accounts, loans and letter of credit fees. Other Performance Measure, Amount Other Performance Measure, Amount Nature of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Securities Financing Transactions [Abstract] Total gain (loss) (pre-tax) recognized on cash flow hedges Gain (Loss) on Cash Flow Hedges Recognized in Earnings Total amount of gain (loss) derived from cash flow hedges recognized in earnings in the period. Net Gains (Losses) from Measurement Alternative Equity Securities Equity Securities without Readily Determinable Fair Value, Annual Amount [Abstract] Financial liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Net Gains (Losses) Recognized In Income Statement Related To Derivatives Not Designated As Hedging Instruments [Abstract] Net Gains Losses Recognized In Income Statement Related To Derivatives Not Designated As Hedging Instruments [Abstract] Net Gains Losses Recognized In Income Statement Related To Derivatives Not Designated As Hedging Instruments. Deposits Time Deposits, Not Carried At Fair Value On A Recurring Basis Amount of time deposit liabilities, including certificates of deposit, not carried at fair value on a recurring basis. Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Servicing Assets at Fair Value [Line Items] Servicing Assets at Fair Value [Line Items] Operating lease right-of-use (ROU) assets (lessee) ROU assets Operating Lease, Right-of-Use Asset Preferred stock, convertible, control of rights [Fixed List] Preferred Stock, Convertible, Control of Rights [Fixed List] Allowance for credit loss for loans, period increase (decrease) Financing Receivable and Net Investment In Lease, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Amount, excluding accrued interest, of increase (decrease) in allowance for credit loss on financing receivable and net investment in lease. Related to trading activities: Financial Instruments Pledged as Collateral [Abstract] Gains (Losses) Recognized on Fair Value Hedging Relationships Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location, Fair Value [Table Text Block] Tabular disclosure of fair value derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position and (c) the amounts of the instruments reported in other comprehensive income. Stockholders' Equity Period Increase (Decrease) Increase (Decrease) in Stockholders' Equity [Roll Forward] Available-for-sale debt securities: Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Purchases Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Contractual Maturities – Held-to-Maturity Debt Securities Held To Maturity Debt Securities Classified By Contractual Maturity Date [Table Text Block] Tabular disclosure of maturities of an entity's held-to-maturity debt securities as well as any other information pertinent to the debt securities. Other Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Securities recognized, trading Trading Securities, Amount at Settlement Date, Measurement With Observable Inputs, Additions The fair value of trading debt and equity securities recognized at the settlement date upon transfer of financial assets. Weighted average [Member] Weighted Average [Member] AOCI Balances Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Interest rate reduction, and term extension, and payment delay [Member] Contractual Interest Rate Reduction, Extended Maturity and Payment Deferral [Member] Loan modification for a reduction of contractual interest rate, extension of term of loan in which it must be paid, and temporary postponement of loan payments. Held-to-maturity, fair value, remaining contractual maturity, due after ten years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Non modified loans [Member] Non modified loans [Member] Non modified loans [Member] Arrangement Duration Trading Arrangement Duration Repurchase and securities lending agreements, unfunded contractual commitments Repurchase And Securities Lending Agreements, Unfunded Contractual Commitments Unfunded contractual commitments under repurchase and securities lending agreements. Criticized [Member] Criticized [Member] Total nonaccrual loans Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Nonaccrual Amortized cost excluding accrued interest, of financing receivable and net investment in lease, on nonaccrual status. Measurement input, correlation factor [Member] Measurement Input, Correlation Factor [Member] Measurement Input, Correlation Factor [Member] Assets: Banking Regulation, Risk-Based Information [Abstract] Other Expense Schedule Of Other Expenses [Table Text Block] Tabular disclosure of the material components of other noninterest expense included in the statement of income. Fair Value Inputs, Assets and Liabilities, Quantitative Information [Table] Fair Value Inputs, Assets and Liabilities, Quantitative Information [Table] Short-term borrowings Proceeds From (Repayments Of) Short-Term Debt net The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. Excludes federal funds purchased and securities loaned or sold under repurchase agreements. Reclassification of net (gains) losses to net income, Tax effect Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Debt Securities Included In Net Income, Tax Tax effect on the reclassification adjustment for gains or losses realized upon the sale or write-down of debt securities. Net loan charge-offs (annualized) as a percentage of average total loans Financing Receivable and Net Investment in Lease, Writeoff after Recovery to Average Outstanding, Percent Percentage of writeoff after recovery to average financing receivables and net investment in lease outstanding. Credit Derivatives Contract Type [Domain] Credit Derivatives Contract Type [Domain] Assets Assets [Abstract] Assets [Abstract] Net change, Before tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax Held-to-maturity, fair value, remaining contractual maturity, due after one year through five years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Total gains (losses) (pre-tax) recognized on fair value hedges Effect of Fair Value Hedges on Results of Operations [Abstract] Stock repurchased Treasury Stock, Value, Acquired, Cost Method Net gains (losses) on sale Gain (Loss) on Securitization of Financial Assets Available-for-sale, amortized cost, net, remaining contractual maturity, due within one year Debt Securities AFS Amortized Cost Excluding Accrued Interest And Portfolio Level Basis Adjustments After Allowance For Credit Loss Maturity Allocated And Single Maturity Date Rolling Within One Year Amount excluding accrued interest and portfolio level basis adjustments, after allowance for credit loss, of investment in debt security measured at fair value recognized in other comprehensive income (available-for-sale) with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year following current statement of financial position date. For interim and annual periods when interim period is reported on rolling approach. Foreign currency translation adjustments, noncontrolling interest [Member] Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member] Commercial Banking [Member] Commercial Banking [Member] Commercial Banking Railroad transportation equipment [Member] Railroad Transportation Equipment [Member] Net amounts in consolidated balance sheet Securities Purchased under Agreements to Resell and Securities Borrowed, Net Amount in Consolidated Balance Sheet Amount, after effects of master repurchase agreements and master securities lending agreements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price, and of securities borrowed from entities in exchange for collateral. Derivatives not subject to enforceable master netting arrangements , liabilities Derivative Liability, Not Subject to Master Netting Arrangement Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Retirement Plan Name [Domain] Retirement Plan Name [Domain] Securities Financing Transaction [Line Items] Securities Financing Transaction [Line Items] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Other interest expense Interest Expense, Other Net investment in lease by origination year, four years before current fiscal year, charge-offs Net Investment in Lease, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Net amounts in consolidated balance sheet Securities Sold under Agreements to Repurchase and Securities Loaned, Net Amount in Consolidated Balance Sheet Amount, after effects of master repurchase agreements and master securities lending agreements, of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price, and of securities loaned to entities in exchange for collateral. Trading Activity [Axis] Trading Activity [Axis] Credit rating AA- and above [Member] Credit Rating AA- and above [Member] AA- and above credit rating as defined by the internal and external sources. Total assets measured at fair value on a recurring basis Assets, Fair Value Disclosure Equity securities, not carried at fair value Equity Securities without Readily Determinable Fair Value, Amount Residential MSRs at fair value, beginning of period Residential MSRs at fair value, end of period Mortgage servicing rights, carried at fair value Mortgage servicing rights Servicing Asset at Fair Value, Amount Schedule of Marketable AFS and HTM Debt Securities [Table] Schedule of Marketable AFS and HTM Debt Securities [Table] Schedule of Marketable Debt Securities [Table] Schedule of Marketable Debt Securities [Table] 30-90 Days [Member] Maturity 30 to 90 Days [Member] Held-to-maturity, net unrealized gains (losses) Debt Securities, Held-to-Maturity, Accumulated Gross Unrealized Gain (Loss), before Tax Amount of accumulated unrecognized net gain (loss) on investment in debt security measured at amortized cost (held-to-maturity). Originations and purchases of loans held for sale Payment for Origination and Purchase, Loan, Held-for-Sale Underlying Asset Class [Domain] Underlying Asset Class [Domain] Accounting Method [Domain] Accounting Method [Domain] Accounting method elected. Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Loans held for sale Loan, Held-for-Sale, Fair Value Disclosure Non-investment grade [Member] Risk Level, High [Member] Debt securities, held-to-maturity, credit quality indicator, update frequency [Extensible Enumeration] Debt Securities, Held-to-Maturity, Credit Quality Indicator, Update Frequency [Extensible Enumeration] Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Other commitment Other Commitment Defined benefit plans adjustments, noncontrolling interest [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Noncontrolling Interest [Member] Other comprehensive income (loss) from noncontrolling interests Other comprehensive income (loss) from noncontrolling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Interchange Litigation [Member] Interchange Litigation [Member] Interchange litigation case Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Treasury stock, at cost Treasury Stock, Value Net unrealized gains (losses) arising during the period, Tax effect OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Reclassification of net (gains) losses to net income, Net of tax Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Debt Securities Included In Net Income Net Of Tax Net of tax amount of the income statement impact of the reclassification adjustment gain (loss) for unrealized gain (loss) realized upon the sale or write-down of available-for-sale debt securities. AOCI including portion attributable to noncontrolling interest [Member] AOCI Including Portion Attributable to Noncontrolling Interest [Member] Segments [Domain] Segments [Domain] Available-for-Sale and Held-to-Maturity Debt Securities Debt Securities, Available-For-sale And Held-to-maturity [Text Block] The entire disclosure for debt securities, available-for-sale and held-to-maturity Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Hedged Items in Fair Value Hedging Relationships Hedged Items in Fair Value Hedging Relationship [Table Text Block] Table shows the carrying amount and associated cumulative basis adjustment related to the application of hedge accounting that is included in the carrying amount of hedged assets and liabilities in fair value hedging relationships. Other Comprehensive Income Textual [Abstract] Other Comprehensive Income Textual [Abstract] Other Comprehensive Income Textual Abstract Debt securities, parent [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling Maturity [Abstract] Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling Maturity [Abstract] Equity Securities [Table] Equity Securities [Table] Equity Securities [Table] Mortgage Banking Activities [Abstract] Mortgage Banking Activities [Abstract] Mortgage Banking Activities. Securitizations and Variable Interest Entities [Abstract] Securitizations and Variable Interest Entities [Abstract] Securitizations And Variable Interest Entities. Netting Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Servicer advances, net of an allowance for uncollectible amounts Servicer Advances on Mortgage Loans Represents amounts paid as the servicer of loans to third parties for principal, interest, taxes, insurance, and default-related expenses. The advances are generally reimbursed within a short timeframe from cash flows from the trust, government-sponsored enterprise (GSEs), insurer, or borrower. Amounts are net of an allowance for uncollectible amounts for advances on loans serviced for others that may not be reimbursed if the payments were not made in accordance with applicable servicing agreements or if the insurance or servicing agreements contain limitations on reimbursements. Securities of U.S. states and political subdivisions [Member] Securities of U.S. states and political subdivisions [Member] US States and Political Subdivisions Debt Securities [Member] Term loans by origination year, fiscal year before current fiscal year, finance receivable Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Operating lease assets (lessor) Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation Redeemed Payments for Repurchase of Redeemable Preferred Stock Financing Receivables, Period Past Due [Axis] Financial Asset, Aging [Axis] All Executive Categories All Executive Categories [Member] Common stock Common Stock, Value, Issued Term loans by origination year, current fiscal year, charge-offs Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Total comprehensive income (loss) before noncontrolling interests Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Equity Securities [Abstract] Equity Securities [Abstract] Equity Securities [Abstract] AFS and HTM Debt Securities Textual [Abstract] AFS and HTM Debt Securities Textual [Abstract] AFS and HTM Debt Securities Textual Debit valuation adjustment (DVA) [Member] Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Noncontrolling Interest [Member] Hedge accounting basis adjustment, liabilities Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Line Items Presented in the Consolidated Statement of Income and Other Comprehensive Income [Abstract] Line Items Presented in the Consolidated Statement of Income and Other Comprehensive Income [Abstract] The total amounts of line items presented in the consolidated statement of income and other comprehensive income. Series Z - 4.75% Non-Cumulative Perpetual Class A Preferred Stock [Member] Series Z Preferred Stock [Member] Series Z Preferred Stock [Member] Reclassification of net (gains) losses to net income, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] OTC cleared [Member] Over The Counter Cleared [Member] Transaction where an agency established by a stock or commodities exchange acts as an intermediary, reconciling orders between transacting parties. Available-for-sale, at amortized cost, net of allowance for credit losses, excluding portfolio level basis adjustments Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest And Portfolio Level Basis Adjustments After Allowance For Credit Loss Amortized cost excluding accrued interest and portfolio level basis adjustments, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Net change, Net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Total Derivatives, net, liabilities Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Reclassification of net (gains) losses to net income on cash flow hedges, Before tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Derivative Contract [Domain] Derivative Contract [Domain] Supplementary leverage ratio Banking Regulation, Supplementary Leverage Ratio, Well Capitalized, Minimum Gross realized losses Debt Securities, Available-for-Sale, Realized Loss Held-to-Maturity Debt Securities Purchases Held To Maturity Debt Securities Purchases And Transfers [Table Text Block] Tabular disclosure of proceeds paid for Held-to-Maturity Debt Securities purchased and transferred by major security category. Mortgage banking noninterest income [Member] Mortgage Banking [Member] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Restricted cash equivalents Restricted Cash Equivalent Investment advisory and other asset-based fees [Member] Investment Advisory, Management and Administrative Service [Member] Reclassification of net (gains) losses to net income, Net of tax Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, after Tax Foreign currency translation Goodwill, Foreign Currency Translation, Gain (Loss) Stock issued for employee plans, net Stock Issued During Period, Value, Employee Benefit Plan Trading Activities [Abstract] Trading Activities [Abstract] Trading Activities [Abstract] Other guarantees and indemnifications [Member] Guarantee Type, Other [Member] Loss contingency, inestimable loss [true false] Loss Contingency, Inestimable Loss [true false] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Total Commercial [Member] Commercial Portfolio Segment [Member] Net gains (losses) from equity securities carried at fair value Equity Securities, FV-NI, Gain (Loss), Not Held For Trading Amount of unrealized and realized gain (loss) on equity securities, not held for trading and measured at fair value with change in fair value recognized in net income (FV-NI). Debt Securities, Available-for-Sale, Rolling Maturity, Weighted Average Yield [Abstract] Debt Securities, Available-for-Sale, Rolling Maturity, Weighted Average Yield [Abstract] Goodwill and Other Assets Goodwill and Other Assets Disclosure [Text Block] The entire disclosure for all or part of the information related to goodwill and other assets. Accounting Policy Election [Domain] Accounting Policy Election [Domain] Accounting policies elected by the company. Credit card [Member] Credit Card Receivable [Member] Investment Grade Debt Securities Investment Grade Percentage for Fair Value of AFS and Amortized Cost of HTM Debt Securities1 [Table Text Block] Tubular disclosure of the percentage of fair value of available-for-sale debt securities and amortized cost of held-to-maturity debt securities determined by those rated investment grade, inclusive of those based on internal credit grades. Title of 12(b) Security Title of 12(b) Security Per share information Earnings Per Share [Abstract] Earnings Per Share [Abstract] Net unrealized gains (losses) related to assets and liabilities held at period end Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss) Outstanding Anti-Dilutive Securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Total gains (losses) (pre-tax) recognized on fair value hedges Gain (Loss) on Fair Value Hedges Recognized in Earnings Other Adjustments to Additional Paid in Capital, Other FICO less than 620 [Member] FICO Score, Less than 620 [Member] Less than 620 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Available-for-sale, weighted average yield Debt Securities, Available-for-Sale, Weighted Average Yield Net actuarial and prior service gains (losses) arising during the period, Before tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Equity securities, measurement input Equity Securities FV-NI and Without Readily Determinable Fair Value Amount Measurement Input Value of input used to measure investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), and without readily determinable fair value. Legal Actions (Textual) [Abstract] Legal Actions (Textual) [Abstract] Legal Actions Textual Abstract. Contractually specified servicing fees, late charges and ancillary fees Contractually Specified Servicing Fee, Late Fee, and Ancillary Fee Earned in Exchange for Servicing Financial Asset Award Timing Disclosures [Line Items] Term loans by origination year, two years before current fiscal year, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Amortized cost excluding accrued interest, of financing receivable and net investment in lease, originated two years prior to current fiscal year. Servicing Asset at Amortized Cost [Line Items] Servicing Asset at Amortized Cost [Line Items] Net Gains (Losses) from Trading Activities, by Risk Type Net Gains (Losses) From Trading Activities [Table Text Block] Tabular disclosure of net gains (losses) from trading activities reported in the statement of income. Assets and Liabilities: Fair Value Asset (Liability) Measured On Recurring Basis Unobservable Input Reconciliation Calculation Roll Forward [Abstract] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Schedule of Common Stock Shares Outstanding [Table] Schedule of Common Stock Shares Outstanding [Table] Schedule of Common Stock Shares Outstanding [Table] Payment delay with balloon payment [Member] Payment Deferral With Balloon Payment [Member] Loan modification for a temporary postponement of loan payments that defer a set amount of principal to the end of the loan term. Wells Fargo net income (loss) Wells Fargo net income (loss) Net Income (Loss) Attributable to Parent Trading assets, aggregate unpaid principal Trading Assets, Aggregate Unpaid Principal Trading assets for which the fair value option has been elected, this item represents the aggregate unpaid principal balance. Collateralized loan obligations [Member] Collateralized Loan Obligations [Member] Total capital Banking Regulation, Total Risk-Based Capital Ratio, Actual Available-for-sale, amortized cost, net, remaining contractual maturity, due after five years through ten years Debt Securities AFS Amortized Cost Excluding Accrued Interest And Portfolio Level Basis Adjustments After ACL Maturity Allocated And Single Maturity Date Rolling After 5 Through 10 Years Amount excluding accrued interest and portfolio level basis adjustments, after allowance for credit loss, of investment in debt security measured at fair value recognized in other comprehensive income (available-for-sale) with single maturity date and allocated without single maturity date, maturing in sixth through tenth rolling fiscal year following current statement of financial position date. For interim and annual periods when interim period is reported on rolling approach. Equity securities: Payments for (Proceeds from) Equity Securities, Not Held For Trading [Abstract] Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Litigation Settlement, Additional Funding Allocated to WFC Litigation Settlement, Additional Funding Allocated to WFC Litigation Settlement, Additional Funding Allocated to WFC Adoption Date Trading Arrangement Adoption Date Contractual Maturities – Available-for-Sale Debt Securities Available For Sale Debt Securities Classified By Contractual Maturity date [Table Text Block] Tabular disclosure of maturities of an entity's available-for-sale debt securities as well as any other information pertinent to the debt securities. Deposits (average) Segment Reporting Information Average Deposits Segment Reporting Information Average Deposits Interest-bearing deposits [Member] Interest-Bearing Deposits [Member] Impact on fair value from 10% adverse change Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Financial Assets Impact Of 10 Percent Adverse Change In Cost To Service The hypothetical financial impact of a 10 percent adverse change of cost to service on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Debt securities [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest [Member] Retained earnings Retained Earnings (Accumulated Deficit) Commercial mortgages [Member] Commercial mortgage [Member] Commercial Mortgage [Member] Loan to purchase or refinance commercial real estate, in which the real estate itself serves as collateral for the loan. FICO 740 or more [Member] FICO Score, Greater than 740 [Member] Greater than 740 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Total Fair value, available for sale Available-For-Sale Debt Securities, Continuous Unrealized Loss Position, Fair Value This item represents the aggregate fair value of investments in debt securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. Loans serviced for others, unpaid principal balance Loans Serviced for Others Amounts of loans serviced for others. Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Cash flow hedges, parent [Member] Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Trading asset [Member] Trading Asset [Member] Financial instruments classified as trading. Loan recoveries, lease financing Net Investment in Lease, Allowance for Credit Loss, Recovery Transferor's interests in transferred financial assets, fair value Transferor's Interests in Transferred Financial Assets, Fair Value Assets, nonconsolidated VIE Assets, Statement of Financial Position of Nonconsolidated Variable Interest Entity Carrying amount of the assets in the statement of financial position of the nonconsolidated variable interest entity. Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Held-to-maturity weighted average yield Debt Securities, Held-to-Maturity, Weighted Average Yield Available-for-sale, amortized cost, net, remaining contractual maturity, due after ten years Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest And Portfolio Level Basis Adjustments After ACL Maturity Allocated And Single Maturity Date Rolling After 10 Years Amount excluding accrued interest and portfolio level basis adjustments, after allowance for credit loss, of investment in debt security measured at fair value recognized in other comprehensive income (available-for-sale) with single maturity date and allocated without single maturity date, maturing after rolling tenth fiscal year following current statement of financial position date. For interim and annual periods when interim period is reported on rolling approach. Available-for-sale, at fair value excluding portfolio level basis adjustments Debt Securities, Available-for-Sale, Excluding Accrued Interest, Excluding Portfolio Level Basis Adjustments Amount, excluding accrued interest and excluding portfolio level basis adjustments, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Trading assets and liabilities Increase (Decrease) in Debt Securities, Trading, and Equity Securities, FV-NI Held-to-maturity, amortized cost, net, remaining contractual maturity, due after one year through five years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling after One through Five Years Interest rate reduction [Member] Contractual Interest Rate Reduction [Member] Other benefits [Member] Other Postretirement Benefits Plan [Member] Net gains (losses) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract] Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date Rolling Maturity [Abstract] Debt Securities, Available-for-Sale, Amortized Cost Excluding Accrued Interest, after Allowance For Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling Maturity [Abstract] Interest-earning deposits with banks Interest-Bearing Deposits in Banks and Other Financial Institutions Net derivative gains (losses) from economic hedges Net Derivative Gains (Losses) From Economic Hedges Related To Mortgage Servicing Activities Net derivative gains (losses) from economic hedges related to mortgage servicing activities. Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Weighted average payments deferred (months) Financing Receivable, Excluding Accrued Interest, Modified, Weighted Average Payment Deferral, Period Period of payment deferral of financing receivable, excluding accrued interest, modified for debtor experiencing financial difficulty, Total leverage exposure Total Leverage Exposure Amount of total leverage exposure as calculated in the regulations. Net assets Net Assets Loan charge-offs, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Amount, excluding accrued interest, of decrease in allowance for credit loss, on financing receivable and net investment in lease, from writeoff. Repurchase agreements Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement Market interest rates [Member] Market Interest Rates [Member] Market interest rates used to estimate the fair value of servicing assets and servicing liabilities. Card fees Total card fees Total Credit And Debit Card Fees Amount of income earned from credit card services (including late, over limit, and annual fees) and debit card services (including interchange fees, annual fees and other fees). Excludes interest income earned on credit card balances and transactions. Average common shares outstanding (in shares) Average common shares outstanding (denominator) (in shares) Weighted Average Number of Shares Outstanding, Basic Estimated future amortization expense [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Collateral pledged but not netted in consolidated balance sheet Securities Sold under Agreements to Repurchase and Securities Loaned, Collateral Amount of collateral pledged related to exposures subject to enforceable master repurchase agreements and master securities lending agreements. While these agreements are typically over-collateralized, the collateral amount is limited to the amount of the related recognized liability for each counterparty. Series DD - 4.25% Non-Cumulative Perpetual Class A Preferred Stock [Member] Series DD Preferred Stock [Member] Series DD Preferred Stock Income Statement Impacts for Available-for-Sale and Held-to-Maturity Debt Securities Income Statement Impacts For Available For Sale And Held To Maturity Debt Securities [Table Text Block] Tubular disclosure of the income statement impacts for Available-for-Sale and Held-to-Maturity Debt Securities. Income Tax Positions [Domain] Income Tax Positions [Domain] Derivative Liabilities Offsetting Derivative Liabilities [Abstract] Net unrealized gains (losses) arising during the period, Before tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Total net gains (losses) from equity securities not carried at fair value Equity Securities Without Readily Determinable Fair Value Not Held For Trading, Gain (Loss) Total amount of unrealized and realized gain (loss) on equity securities without readily determinable fair value. Geographic Distribution [Axis] Geographic Distribution [Axis] Loans [Member] Financing Receivable [Member] Reclassification of net (gains) losses to net income, Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Non-investment grade [Member] External Credit Rating, Noninvestment Grade [Member] Occupancy Occupancy, Net Net change, Before tax Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, before Tax, after Reclassification Adjustment Net change, Net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Available-for-sale debt securities: Payments for (Proceeds from) Investments [Abstract] Term loans by origination year, more than five years before current fiscal year, finance receivable Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Charge-offs Financing Receivable, Excluding Accrued Interest, Modified in Period, Allowance for Credit Loss, Writeoff Amount, of decrease in allowance for credit loss, from writeoff on financing receivable excluding accrued interest, modified in the current period. Excludes net investment in lease. Financing receivable, modified, payment performance to become current, period Financing Receivable, Modified, Payment Performance to Become Current, Period Period of payment performance required prior to returning to current status, on financing receivable for debtor experiencing financial difficulty, which at the time of modification was past due. Allowance for credit loss, available-for-sale debt securities Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Transfers with Continuing Involvement Quantitative Information Transferors Continuing Involvement [Table Text Block] Tabular disclosure of a transferor's continuing involvement with financial assets transferred to a transferee in a securitization, asset-backed financing arrangement, or similar transfer. Total liabilities Liabilities Liabilities Equity securities Total equity securities not held for trading Equity Securities, FV-NI and without Readily Determinable Fair Value, Not Held For Trading Amount of equity securities measured at fair value with change in fair value recognized in net income (FV-NI) and investment in equity security without readily determinable fair value, classified as not held for trading. Settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Amortized cost basis of the closed portfolios Financial Asset, Closed Portfolio, Portfolio Layer Method, Amortized Cost Net reductions Net Additions (Reductions) to Servicing Assets at Fair Value from Origination of Mortgage Servicing Rights (MSRs) or Servicing Assets at Fair Value Disposals The net additions (reductions) in the fair value of servicing assets from the origination of mortgage servicing rights (MSRs) or disposals of servicing assets at fair value. Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Payment Performance of Consumer Loan Modifications Consumer Financing Receivable, Modified, Payment Performance on Modification [Table Text Block] Tabular disclosure of payment performance on consumer financing receivables modified for debtors experiencing financial difficulty. Non-cash collateral not offset, Liabilities Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Other method investments - Private equity [Member] Other Security Investments [Member] Stock issued Stock Issued During Period, Value, New Issues Asset-backed securities [Member] Asset-Backed Securities [Member] Debt securities, held-to-maturity, amortized cost, after allowance for credit loss, maturity allocation basis [Extensible Enumeration] Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity Allocation Basis [Extensible Enumeration] Fair value, asset (liability), recurring basis, still held, unrealized gain (loss), OCI Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Weighted average loan rate Weighted Average Note Rate Mortgage Loans Serviced For Others Weighted-average note rate of mortgage loans serviced for others. Term loans by origination year, more than five years before current fiscal year, net investment in lease Net Investment in Lease, Originated, More than Five Years before Current Fiscal Year Paydowns and maturities Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Fair value of securities received as collateral that can be resold or repledged Fair Value of Securities Received as Collateral that Can be Resold or Repledged Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset (Liability), Sales Amount of sales of financial instrument classified as an asset (liability) measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Debit valuation adjustment (DVA): Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax and Reclassification Adjustment [Abstract] Gains (Losses) on Assets with Nonrecurring Fair Value Adjustments Fair Value Adjustment Of Certain Assets On Nonrecurring Basis [Table Text Block] Tabular disclosure of the increase (decrease) in value of certain assets that are measured at fair value on a nonrecurring basis for which a fair value adjustment has been included in the income statement. Litigation Settlement, Funds Remaining from 2012 Litigation Settlement, Funds Remaining from 2012 Litigation Settlement, Funds Remaining from 2012 Measurement input, default rate [Member] Measurement Input, Default Rate [Member] Cash collateral netting, assets Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Award Timing Predetermined Award Timing Predetermined [Flag] Credit contracts [Member] Credit Risk Contract [Member] Additional paid-in capital [Member] Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Investment banking fees [Member] Investment Advice [Member] Stock-based compensation awards [Member] Share-Based Payment Arrangement [Member] Goodwill [Line Items] Goodwill [Line Items] Available-for-sale, amortized cost, net, remaining contractual maturity, due after one year through five years Debt Securities AFS Amortized Cost Excluding Accrued Interest And Portfolio Level Basis Adjustments After ACL Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Amount excluding accrued interest and portfolio level basis adjustments, after allowance for credit loss, of investment in debt security measured at fair value recognized in other comprehensive income (available-for-sale) with single maturity date and allocated without single maturity date, maturing in second through fifth rolling fiscal year following current statement of financial position date. For interim and annual periods when interim period is reported on rolling approach. Measurement Basis [Axis] Measurement Basis [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Commercial Loan Modifications and Financial Effects Commercial Financing Receivable, Modified, Amortized Cost and Financial Effects from Modification [Table Text Block] Tabular disclosure of commercial financing receivables at amortized cost and the related financial effects of modifications granted for debtors experiencing financial difficulty. Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Cash dividends paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Loan recoveries, loans Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Consumer Banking and Lending [Member] Consumer Banking and Lending [Member] Consumer Banking and Lending Debt securities, held-to-maturity, sold, realized gain (loss) Debt Security, Held-to-Maturity, Sold, Realized Gain (Loss) Derivative Valuation Adjustments Schedule of Credit Value Adjustments and Funding Valuation Adjustments [Table Text Block] Schedule of Credit Value Adjustments and Funding Valuation Adjustments [Table Text Block] Other assets Increase (Decrease) in Other Operating Assets Credit card securitizations [Member] Credit Card Securitization [Member] Credit card securitizations that involve the transfer of credit card loans to a master trust that issues debt securities to third party investors that are collateralized by the transferred credit card loans. Impairment write-downs Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount Net gains (losses) from trading and securities Debt and Equity Securities, Realized Gain (Loss) Pledged to counterparties that did not have the right to sell or repledge [Member] Asset Pledged as Collateral without Right [Member] Total Wells Fargo stockholders’ equity Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Insider Trading Policies and Procedures [Line Items] Financial assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Fair value, recurring [Member] Fair Value, Recurring [Member] Securities sold, not yet purchased Security Sold Short, Fair Value Measurement Alternative [Abstract] Measurement Alternative [Abstract] Measurement Alternative [Abstract] Cover [Abstract] Federal Reserve Bank stock and other at cost [Member] Investment in Federal Reserve Bank Stock And Other [Member] This item represents the amount shown on an entity's books for investments in Federal Reserve Bank stock, as well as other investments. Portion at fair value measurement [Member] Portion at Fair Value Measurement [Member] Maximum [Member] Maximum [Member] Valuation Techniques – Recurring Basis Fair Value Inputs, Assets and Liabilities Measured on Recurring Basis, Quantitative Information [Table Text Block] Tabular disclosure of quantitative information about the unobservable inputs used in the fair value measurement of assets and liabilities measured on a recurring basis. This disclosure includes the fair value of the asset or liability, valuation technique used to measure fair value, the unobservable inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs. Long-term debt, fair value carrying amount less aggregate unpaid principal Fair Value, Option, Aggregate Differences, Long-Term Debt Instruments Net actuarial and prior service gains (losses) arising during the period, Tax effect Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Loan commitments and standby, commercial and similar letters of credit Loan Commitments And Standby, Commercial And Similar Letters of Credit This element represent the aggregate carrying amount of deferred fees plus the related reserve for loan commitments and standby, commercial and similar lines of credit. Net unrealized gains (losses) related to liabilities held at period end Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) Preferred stock, shares authorized and designated Preferred Stock Shares Authorized And Designated The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws that have also been designated. Available-for-sale, net unrealized gains (losses) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax Net unrealized gains (losses) arising during period, Net of tax Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, after Tax Derivative asset (liability) net, valuation technique [Extensible Enumeration] Derivative Asset (Liability) Net, Valuation Technique [Extensible Enumeration] Reclassification of net (gains) losses to net income, Before tax Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Debt Securities Included In Net Income Before Tax Pre tax reclassification adjustment for gains or losses realized upon the sale or write-down of debt securities during the period. Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Interest-earning deposits with banks Interest Income, Deposits with Financial Institutions Income (loss) before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Tier 1 leverage ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Term extension and payment delay [Member] Extended Maturity and Payment Deferral [Member] Loan modification for extension of term of loan in which it must be paid and temporary postponement of loan payments. Revolving loans converted to term loans, finance receivable Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Net gains (losses) Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings Hedge accounting basis adjustment, liabilities Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Amortization for commercial MSRs Amortization of Mortgage Servicing Rights (MSRs) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments [Member] Operating Segments [Member] Fair value, asset, recurring basis, still held, unrealized gain (loss), OCI Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Net investment in lease by origination year, two years before current fiscal year, charge-offs Net Investment in Lease, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Nonaccrual lease financing Net Investment in Lease, Nonaccrual New benefits accrued Defined Benefit Plan, New Benefits Accrued The amount of benefits accrued on a defined benefit plan during the period. Document Fiscal Period Focus Document Fiscal Period Focus Other lease-related revenue Other Revenue of Leased Assets, Net, Operating Leases And Lease Financing Other revenue related to assets under operating leases and lease financing, including net gain (loss) arising from the lessor's disposition of assets and impairment charges. Fair Value Option Fair Value Option, Disclosures [Table Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type [Axis] Award Type [Axis] Legal actions Legal Fees Expense (Reversal) The amount of expense, or reversal of expense, in the period for legal costs incurred or reverse on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. Net Gains (Losses) from Trading Activities [Line Items] Net Gains (Losses) On Trading Activities [Line Items] Net Gains (Losses) on Trading Activities [Line Items] Reclassification of net (gains) losses to net income, Before tax Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, before Tax Long-term debt Long-term debt Interest Expense, Long-Term Debt Other noninterest income [Member] Other Noninterest Income [Member] Other Noninterest Income [Member] Entity Address, City or Town Entity Address, City or Town Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Statement Of Income Location Balance [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Foreclosed assets Foreclosed Assets Managed and Securitized or Asset-backed Financing Arrangement Amount of foreclosed assets related to loans sold or securitized for which we have ongoing involvement as servicer. Common Equity Tier 1 capital Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Actual Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Loans modified balance end of period Financing Receivable, Excluding Accrued Interest, Modified, Accumulated No LTV available [Member] No Debt-to-Value Ratio Available [Member] Debt-to-value (DTV) ratio where no score is available. Total noninterest income Noninterest income Noninterest Income Federal funds sold and securities borrowed or purchased under resale agreements Proceeds from (Payments for) Federal Funds Sold and Securities Purchased under Agreements to Resell, Net Other assets Other assets Other Assets, Fair Value Disclosure Net Gains (Losses) from Measurement Alternative Equity Securities Net Gains (Losses) From Measurement Alternative Equity Securities [Table Text Block] Schedule showing the annual amount of impairment write-downs and observable price adjustments related to nonmarketable equity securities accounted for under the measurement alternative. Noninterest expense Noninterest Expense [Abstract] Cash and due from banks Cash and due from banks Cash and Due from Banks Common Stock Shares Outstanding Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Financial Information of Operating Segment [Abstract] Segment Reporting, Measurement Disclosures [Abstract] Municipal tender option bond (MTOB) [Member] Municipal Tender Option Bond MTOB [Member] VIE that uses municipal tender option bonds to finance purchase of municipal securities through the issuance of short-term debt to investors. Impact on fair value from 100 basis point increase Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor, Servicing Assets Or Liabilities Impact Of Hundred Basis Point Adverse Change In Discount Rate Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor, Servicing Assets Or Liabilities Impact Of Hundred Basis Point Adverse Change In Discount Rate. Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling Maturity, Fair Value [Abstract] Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling Maturity, Fair Value [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Pledged Status [Domain] Pledged Status [Domain] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Impact on fair value from 25% adverse change Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Financial Assets Impact Of Other Than 10 Or 20 Percent Adverse Change In Cost To Service The hypothetical financial impact of a specified adverse percentage change in cost to service on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Held-to-maturity debt securities: Payments to Acquire Investments [Abstract] Other assets Other Assets Litigation Settlement, Additional Funding Litigation Settlement, Additional Funding Litigation Settlement, Additional Funding Cost to service assumption ($ per loan) Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Cost To Service1 The cost to service assumption for securitized financial assets. This is used as a key input and assumption in measuring the fair value of assets or liabilities that relate to a transferor's continuing involvement, if any, as of the date of the latest statement of financial position presented. Balance, beginning of period Balance, end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Mortgage servicing rights, measurement input Servicing Asset, Measurement Input Designated as hedging instrument [Member] Hedged items currently designated [Member] Designated as Hedging Instrument [Member] Net change, Tax effect Other Comprehensive Income (Loss), Cash Flow Hedge And Fair Value Hedge Including Derivative Excluded Component Gain (Loss), After Reclassification, Tax Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge and fair value hedge included in assessment of hedge effectiveness and increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Hedging Relationship [Axis] Hedging Relationship [Axis] Offsetting [Abstract] Offsetting [Abstract] Impairment write-downs Impairment Loss, Debt Securities, Available-For-Sale, Recognized In Earnings The amount of impairment loss recognized in the period resulting from the write-down of available-for-sale debt securities. Gross Unrealized Losses and Fair Value – Available-for-Sale Debt Securities Schedule Of Unrealized Loss On Debt Securities AFS And HTM [Table Text Block] For all debt securities available-for-sale and held-to maturity in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of debt securities available-for-sale and held-to maturity with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). Net unrealized gains (losses) arising during period, Tax effect Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, Tax Gains (Losses) Recognized on Cash Flow Hedging Relationships Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location, Cash Flow Hedging [Table Text Block] Tabular disclosure of cash flow hedging derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position and (c) the amounts of the instruments reported in other comprehensive income. Transfers to held-to-maturity debt securities Debt Securities, Available-For-Sale, Transfer To Held-For-Sale, Amount Amount of investment in debt security, measured at fair value, transferred to investment in debt security, measured at amortized cost. Lease financing Lease financing Net Investment in Lease, before Allowance for Credit Loss Regulatory capital: Banking Regulation, Tier 1 Risk-Based Capital [Abstract] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Other Noninterest Income, Other Operating Income Components of Other Assets [Line Items] Components of Other Assets [Line Items] Financing receivable, accounting policy election, accrued interest writeoff method [Fixed List] Financing Receivable, Accounting Policy Election, Accrued Interest Writeoff Method [Fixed List] Net cash provided (used) by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Debt securities, gross unrealized losses Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss Proceeds from sales Proceeds from Sale of Debt Securities, Available-for-Sale Available-for-sale debt securities Available-for-sale debt securities, at fair value Available-for-sale, at fair value Debt Securities, Available-for-Sale, Excluding Accrued Interest Net interest income Net interest income (expense) Net interest income (expense) Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Tier 1 Banking Regulation, Tier 1 Risk-Based Capital, Actual Estimated future amortization expense for the remainder of 2026 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Equity Components [Axis] Equity Components [Axis] Term loans by origination year, three years before current fiscal year, finance receivable Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Standby letters of credit [Member] Standby Letters of Credit [Member] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Treasury stock method [Member] Earnings Per Share, Treasury Stock Method [Member] Servicing Asset [Abstract] Servicing Asset [Abstract] Commercial real estate [Member] Commercial Real Estate [Member] Financing Receivables, Period Past Due [Domain] Financial Asset, Aging [Domain] Mortgage servicing rights Total MSRs Servicing Asset Total derivative valuation adjustments Derivative Credit Risk And Funding Valuation Adjustment Derivative Derivative credit risk and funding valuation adjustment derivative total Maximum exposure to loss, Expires in three years or less Guarantor Obligations, Maximum Exposure, Expires In Three Years Or Less Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions, expiring in three years or less. 7.5% Non-Cumulative Perpetual Convertible Class A Preferred Stock, Series L [Member] 7.5% Non-Cumulative Perpetual Convertible Class A Preferred Stock, Series L [Member] 7.5% Non-Cumulative Perpetual Convertible Class A Preferred Stock, Series L [Member] LTV 0-80% [Member] Debt-to-Value Ratio, Less than 80 Percent [Member] Regulatory Capital Requirements and Other Restrictions [Abstract] Regulatory Capital Requirements and Other Restrictions [Abstract] Regulatory Capital Requirements and Other Restrictions [Abstract] Professional and outside services Professional and Contract Services Expense Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Repayment Repayments of Long-Term Debt Less than 12 months, Fair value, available-for-sale Available-For-Sale Debt Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Fair Value This item represents the aggregate fair value of investments in debt securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. Other assets class [Member] Other Assets Class [Member] Other Assets Class [Member] Customer relationships, merchant contracts [Member] Customer Relationships, Merchant Contracts [Member] Customer relationship for merchant contracts between an entity and its customer. Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Interest income, Available-for-sale Interest Income, Debt Securities, Available-for-Sale, Operating Net change, Before tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Loans Outstanding Schedule Of Financing Receivables [Table Text Block] Schedule of financing receivables. Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series Z Non-Cumulative Perpetual Class A Preferred Stock, Series Z [Member] Non-Cumulative Perpetual Class A Preferred Stock, Series Z [Member] Total noninterest expense Noninterest Expense Series GG - 6.125% Fixed-Reset-Non-Cumulative Perpetual Class A Preferred Stock [Member] Series GG - 6.125% Fixed-Reset-Non-Cumulative Perpetual Class A Preferred Stock [Member] Series GG - 6.125% Fixed-Reset-Non-Cumulative Perpetual Class A Preferred Stock [Member] Payment delay [Member] Payment Deferral [Member] Risk-Weighted Assets Calculation Methodology [Domain] Banking Regulation, Risk-Weighted Assets Calculation Methodology [Domain] Contractual lock-up period restriction for sale Equity Security, FV-NI, Contractual Sale Restriction Commercial mortgage servicing [Member] Commercial Mortgage Servicing [Member] Commercial Mortgage Servicing. Allowance for credit losses for loans as a percentage of total loans Financing Receivable and Net Investment in Lease, Allowance for Credit Loss to Outstanding, Percent Percentage of allowance for credit loss to total financing receivable and net investment in lease outstanding. Credit protection sold - Notional amount Credit Derivative, Maximum Exposure, Undiscounted Commercial Loan Categories by Risk Categories and Vintage Financing Receivable Credit Quality Indicators [Table Text Block] Balance, beginning of period Balance, end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Servicing asset at amortized cost, estimated fair value Servicing Asset at Amortized Cost, Fair Value Total Nonaccrual loans without related allowance for credit losses Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Nonaccrual, No Allowance Amortized cost excluding accrued interest, of financing receivable and net investment in lease, on nonaccrual status with no allowance for credit loss. Debt securities, available-for-sale, maturity allocation [Extensible Enumeration] Debt Securities, Available-for-Sale, Maturity Allocation [Extensible Enumeration] Other [Member] Other securitizations and transactions [Member] Other securitizations and transactions Member. Entity Filer Category Entity Filer Category Financing receivable, credit quality indicator, update frequency [Extensible Enumeration] Financing Receivable, Credit Quality Indicator, Update Frequency [Extensible Enumeration] Total financial assets Financial Assets Fair Value Disclosure Financial Assets Fair Value Disclosure Hedge accounting basis adjustment, assets Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) Net investment in lease by origination year, year before current fiscal year, charge-offs Net Investment in Lease, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Entity Address, Address Line One Entity Address, Address Line One Impact on fair value from 25% adverse change Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Adverse Change in Prepayment Speed Accumulative other comprehensive income (loss) [Member] Accumulative other comprehensive income, parent [Member] AOCI Attributable to Parent [Member] Net realized gains (losses) Equity Securities Without Readily Determinable Fair Value Not Held For Trading, Realized Gain (Loss) Amount of realized gain (loss) on equity securities without readily determinable fair value not held for trading. Amounts related to cash flows on derivatives Cash Flows On Fair Value Hedges Recognized In Net Income Cash flows on fair value hedges recognized in net income. Dividend Equalization Preferred Shares (DEP) [Member] Dividend Equalization Preferred [Member] Dividend Equalization Preferred Member. Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Defined benefit plans adjustments [Member] Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Equity Securities [Line Items] Equity Securities [Line Items] Line Items for Equity Securities Personnel expense Compensation Expense, Excluding Cost of Good and Service Sold Personnel Labor and Related Expense Servicing Asset at Amortized Cost [Table] Servicing Asset at Amortized Cost [Table] Non-agency mortgage-backed securities [Member] Mortgage-Backed Securities, Issued by Private Enterprises [Member] Tier 1 leverage ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum Tier 1 capital Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Term loans by origination year, more than five years before current fiscal year, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Amortized cost excluding accrued interest, of financing receivable and net investment in lease, originated more than five years prior to current fiscal year. Guarantees and Other Commitments Guarantees [Text Block] Regulatory And Agency Capital Requirements [Abstract] Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] Allowance for Credit Losses for Loans Activity by Portfolio Segment Schedule Of Financing Receivables Allowance For Credit Losses By Loan Category [Table Text Block] Schedule of financing receivables allowance for credit losses by loan category. Excluding resecuritization [Member] Excluding Resecuritization [Member] Securities excluding resecuritizations. Loans Insured or Guaranteed by Government Authorities [Domain] Loans Insured or Guaranteed by Government Authorities [Domain] Assets, nonconsolidated VIE to which we sold assets and hold an interest Assets, Statement of Financial Position of Nonconsolidated Variable Interest Entities With Continuing Involvement Carrying amount of the assets in the statement of financial position of the nonconsolidated variable interest entities to which we sold assets and hold an interest. Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Total Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Amount of gain (loss) recognized in income from asset measured at fair value on a nonrecurring basis. Debit valuation adjustments (DVA) [Member] Accumulated Gain (Loss), Financial Liability, Fair Value Option, Including Portion Attributable to Noncontrolling Interest [Member] Goodwill and Other Assets Disclosure [Abstract] Goodwill and Other Assets Disclosure Abstract Trading liabilities Interest Expense, Trading Liabilities Debt Securities, Held-to-maturity Purchase or Transfer of Investment [Abstract] Held To Maturity Securities Purchase Or Transfer [Abstract] Held To Maturity Securities Purchase Or Transfer Overnight/Continuous [Member] Maturity Overnight [Member] Total changes in fair value Servicing Asset at Fair Value, Period Increase (Decrease) Award Type [Domain] Award Type [Domain] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Foreign exchange contracts [Member] Foreign Exchange Contract [Member] Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] Net Gains (Losses) from Derivative Valuation Adjustments Schedule Of Pretax Gains Losses Related To Changes In Credit Valuation Adjustments, Debit Valuation Adjustments, Asset Funding Valuation Adjustments And Liability Funding Valuation Adjustments [Table Text Block] Schedule of pretax gains losses related to changes in credit valuation adjustments, credit valuation adjustments, asset funding valuation adjustments and liability funding valuation adjustments [Table Text Block] Measurement Alternative [Line Items] Measurement Alternative [Line Items] Line Items for Measurement Alternative Purchase commitment [Member] Purchase Commitment [Member] Term loans by origination year, fiscal year before current fiscal year, net investment in lease Net Investment in Lease, Year Two, Originated, Fiscal Year before Current Fiscal Year Accounting Presentation Changes Accounting Presentation Changes [Policy Text Block] Disclosure of accounting presentation changes that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact. Pledged Assets Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block] 30 to 89 days past due [Member] Financial Asset, 30 to 89 Days Past Due [Member] Financial asset more than 29 days past due but fewer than 90 days past due. Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Foreign currency translation adjustments: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Net change in debt securities Net change, Net of tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Available-for-sale and held-to-maturity debt securities Total interest income Interest And Dividend Income Securities Available-For-Sale And Held-To-Maturity Total amount of interest income, amortization of premium and accretion of discount on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale); classified as operating; and amount of operating interest income, including amortization and accretion of premiums and discounts, on held-to-maturity securities. Accumulative OCI balances [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Total recorded in OCI, Derivative gains (losses) Net change, Before tax Other Comprehensive Income (Loss), Cash Flow Hedge And Fair Value Hedge Including Derivative Excluded Component Gain (Loss), After Reclassification Before Tax Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge and fair value hedge included in assessment of hedge effectiveness and increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Components Of Other Assets [Table] Components Of Other Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum [Member] Minimum [Member] Credit card rewards and rebates [Member] Credit Card Rewards And Rebates [Member] Credit Card Rewards and Rebates [Member] Provision for credit losses, Available-for-sale Debt Securities Available For Sale Credit Loss Expense (Reversal) Amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Number of votes per share Preferred Stock, Voting Rights, Number of Votes Per Share Preferred Stock, Voting Rights, Number of Votes Per Share All other assets, VIE All other assets All Other Assets, Consolidated Variable Interest Entity Amount of all other assets not separately listed. Valuation Techniques – Nonrecurring Basis Fair Value Inputs, Assets and Liabilities Measured on Nonrecurring Basis, Quantitative Information [Table Text Block] Tabular disclosure of quantitative information about the unobservable inputs used in the fair value measurement of assets and liabilities measured on a nonrecurring basis. This disclosure includes the fair value of the asset or liability, valuation technique used to measure fair value, the unobservable inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs. Company Selected Measure Name Company Selected Measure Name Net realized gains (losses) from sale Gain (Loss) on Sale of Investments Purchase Commitment, Excluding Long-term Commitment [Domain] Purchase Commitment, Excluding Long-Term Commitment [Domain] Held-to-maturity, weighed average yield, remaining contractual maturity, due after ten years Debt Securities, Held-to-Maturity, Maturity, Rolling after 10 Years, Weighted Average Yield Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Goodwill Table Goodwill [Roll Forward] Prepayment estimates and other [Member] Prepayment Estimates And Other [Member] Prepayment and other valuation estimates used to estimate the fair value of seriving assets and servicing liabilities. Reclassification of amounts to noninterest expense, Tax effect Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Securities and loans recognized Debt Securities And Loans, Held For Investment, Amount Recognized At Settlement Date Amount during the period, of debt securities and loans held for investment purposes that were recognized at a securitization settlement date related to our continuing involvement in transferred assets. Other Other Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Allowance for Credit Loss, Adjustments, Other Amount excluding accrued interest, of allowance for credit loss on financing receivable and net investment in lease. Total provision for credit losses Debt Securities, Available For Sale And Held To Maturity, Credit Loss Expense (Reversal) Amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at amortized cost (held-to-maturity). Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Gross realized gains Debt Securities, Available-for-Sale, Realized Gain Equity Component [Domain] Equity Component [Domain] Treasury stock, shares Treasury Stock, Common and Preferred, Shares Number of previously issued common and preferred shares repurchased by the issuing entity and held in treasury. Geographic Distribution [Domain] Geographic Distribution [Domain] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] AFS and HTM Debt Securities [Abstract] AFS And HTM Debt Securities [Abstract] Amount that represents the hedged items layers Hedged Asset, Fair Value Hedge, Portfolio Layer Method, Hedged Layer, Amount Valuation Model Inputs or Assumptions [Axis] Valuation Model Inputs or Assumptions [Axis] Document Type Document Type Fair value, inputs, level 3 [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Loss Contingencies [Table] Loss Contingencies [Table] Advertising and promotion Marketing and Advertising Expense Revolving loans, charge-offs Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Fee income Revenue from Contract with Customer, Excluding Assessed Tax Earnings per share, diluted, share-based payment award, method [Extensible Enumeration] Earnings Per Share, Diluted, Share-Based Payment Award, Method [Extensible Enumeration] Cash flows from other interests held Cash Flows Between Transferor and Transferee, Beneficial Interest Long-term debt Long-Term Debt, Not Carried At Fair Value On A Recurring Basis Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt, excluding lease obligation and not carried at fair value on a recurring basis. Maximum exposure to loss, Expires after one year through three years Guarantor Obligations, Maximum Exposure, Expires in One Year through Three Years Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions, expiring in one year through three years. Credit Score, FICO [Domain] Credit Score, FICO [Domain] MSRs [Member] Servicing Contracts [Member] Loans Interest and Fee Income, Loan and Lease, Held-in-Portfolio Available-for-sale, percent of investment grade Debt Securities, Available-For-Sale, Percent of Investment Grade Percentage of fair value of available-for-sale debt securities determined by those rated investment grade, inclusive of those based on internal credit grades. Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Current-29 days past due [Member] Current-29 days past due and still accruing [Member] Financial Asset, 1 to 29 Days Past Due [Member] Other Assets Schedule of Other Assets [Table Text Block] Components of Other Comprehensive Income [Line Items] Components of Other Comprehensive Income [Line Items] Debt-to-Value [Axis] Debt-to-Value [Axis] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Regulatory leverage: Banking Regulation, Leverage Ratio [Abstract] Available-for-sale, fair value, remaining contractual maturity, due after one year through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Wells Fargo net income (loss) applicable to common stock Net Income (Loss) Available to Common Stockholders, Basic Entity Information [Line Items] Entity Information [Line Items] Net loan charge-offs Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery), Total Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable and net investment in lease from writeoff (recovery). Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series CC Non-Cumulative Perpetual Class A Preferred Stock, Series CC [Member] Non-Cumulative Perpetual Class A Preferred Stock, Series CC Cash balance plan [Member] Cash Balance Plan [Member] Noncontributory qualified defined benefit retirement plan sponsored by the company Leasing Activity Leases as Lessor and Lessee Disclosure [Text Block] The entire disclosure for all leases as lessor and lessee. Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Carrying value of obligation (asset) Guarantor Obligations, Current Carrying Value (1) The current carrying amount of the liability (asset) for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. Earnings Per Share, Anti-Dilutive, Method [Domain] Earnings Per Share, Anti-Dilutive, Method [Domain] Method used to calculate anti-dilutive securities. Required minimum capital ratios: Required Minimum Capital Ratios [Abstract] Required Minimum Capital Ratios Other valuation inputs or assumptions [Member] Valuation Model Inputs or Assumptions, Other Than Market Interest Rates [Member] Valuation model inputs or assumptions, other than market interest rates, used to estimate the fair value of servicing assets and servicing liabilities. Consolidation Items [Domain] Consolidation Items [Domain] Preferred stock, voting rights [Member] Preferred Stock, Voting Rights [Member] Preferred stock with voting rights VIEs that we do not consolidate [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Term extension [Member] Extended Maturity [Member] Banking Regulation, Stress Capital Buffer (SCB) Banking Regulation, Stress Capital Buffer (SCB) Stress Capital Buffer (SCB) percentage as defined by regulatory framework. 12 months or more, Fair value, available-for-sale Available-For-Sale Debt Securities, Continuous Unrealized Loss Position, Twelve Months Or Longer, Fair Value This item represents the aggregate fair value of investments in debt securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. Financial Instruments Owned and Pledged as Collateral [Line Items] Financial Instruments Owned and Pledged as Collateral [Line Items] Net gains (losses) Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Estimated future amortization expense for the year ended December 31, 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Net unrealized gains (losses) arising during the period, Net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Changes in fair value: Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions [Abstract] Premises and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Preferred Stock Detail Of Preferred Stock [Table Text Block] Detail of Preferred Stock. Net change, Before tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Net charge-offs Net Credit Loss on Loans Managed or Securitized or Asset-Backed Financing Arrangement Portfolio level basis adjustments Cumulative basis adjustment associated with hedged items layers Hedged Asset, Fair Value Hedge, Portfolio Layer Method, Hedged Layer, Fair Value, Cumulative Increase (Decrease), Excluded from Amortized Cost Consumer Loan Modifications and Financial Effects Consumer Financing Receivable, Modified, Amortized Cost and Financial Effects from Modification [Table Text Block] Tabular disclosure of consumer financing receivables at amortized cost and the related financial effects of modifications granted for debtors experiencing financial difficulty. Common Equity Tier 1 Capital Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Allowance for credit loss, held-to-maturity debt securities Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] FVA Derivative Funding Valuation Adjustment Gain Loss Net Derivative funding valuation adjustment gain (loss), net Entity Current Reporting Status Entity Current Reporting Status Employee Benefits and Other Expenses Textual [Abstract] Employee Benefits and Other Expenses Textual [Abstract] Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Consolidated Entities [Domain] Consolidated Entities [Domain] Fair value of derivative liabilities, gross Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement Financial Instrument [Axis] Financial Instrument [Axis] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Liability for mortgage repurchase reserves amount, fair value Liability for Mortgage Repurchase Reserves Amount, Fair Value The amount of liability that represents a mortgage repurchase reserve to provide indemnification for losses incurred due to material breaches of contractual representations and warranties as well as other recourse arrangements. Current Fiscal Year End Date Current Fiscal Year End Date Series CC - 4.375% Non-Cumulative Perpetual Class A Preferred Stock [Member] Series CC Preferred Stock [Member] Series CC Preferred Stock [Member] Other cost of revenue Other Cost of Operating Revenue Total deposits Deposits (period-end) Deposits Mortgage servicing rights [Member] Mortgage servicing rights [Member] Mortgage Servicing Rights Member. Offsetting – Securities Financing Activities Schedule of Securities Financing Transactions [Table Text Block] Guarantees – Carrying Value and Maximum Exposure to Loss Schedule of Guarantor Obligations [Table Text Block] Derivative liabilities Derivative Liability Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Pass [Member] Pass [Member] Derivatives not subject to enforceable master netting arrangements, assets Derivative Asset, Not Subject to Master Netting Arrangement Guarantees and other commitments [Member] Guarantees and Other Commitments [Member] Guarantees and Other Commitments Deferred investment tax credit Investment Tax Credit Net change in: Net Change In Investing Activities [Abstract] Net Change In Investing Activities [Abstract] Proceeds from issuance Proceeds from Issuance of Preferred Stock and Preference Stock Schedule of Held-to-Maturity Securities [Line Items] Schedule of Held-to-Maturity Securities [Line Items] Loans 90 Days or More Past Due and Still Accruing Financing Receivable, Past Due [Table Text Block] Leverage buffer, minimum Banking Regulation Leverage Buffer Minimum Basel3 Minimum leverage buffer percentage as defined by regulatory framework Basel3. All other assets All Other Assets, Unconsolidated Variable Interest Entity Amount of all other assets not separately listed; includes trading assets, debt securities, and other assets. Interest-bearing deposits Interest-Bearing Deposit Liabilities Net cash provided (used) by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Guarantee of Medium-Term Notes, Series A, due October 30, 2028 of Wells Fargo Finance LLC [Member] Guarantee of Medium-Term Notes, Series A, due October 30, 2028 of Wells Fargo Finance LLC [Member] Guarantee of Medium-Term Notes, Series A, due October 30, 2028 of Wells Fargo Finance LLC [Member] Defined benefit plans adjustments: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Other fair value instruments [Member] Deposits, Accrued Expenses, Market Risk Benefit, and Other Short-Term Liabilities [Member] Primary financial statement captions encompassing other assets and liabilities such as deposits, accrued expenses, market risk benefit, and other short-term liabilities. Contingently convertible securities included in diluted earnings per share [true false] Contingently Convertible Securities Included in Diluted Earnings Per Share [true false] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Allowance for loan losses Allowance for loan losses Financing Receivable and Net Investment in Lease, Allowance for Loan Losses, Excluding Accrued Interest Amount excluding accrued interest, of allowance for loan losses on financing receivable and net investment in lease. Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Held-to-maturity debt securities: Debt Securities, Held-to-Maturity, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] 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] 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] FVA, net Derivative Funding Risk Valuation Adjustment Net Derivative funding risk valuation adjustment, net (asset and liability) Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Total derivatives subject to enforceable master netting arrangements, net, assets Derivative Asset, Subject to Master Netting Arrangement, after Offset Other operating losses Operating Losses, Other Other operating loss expenses associated with on-going business activities, including fraud losses for credit card and deposit accounts, and deposit overdraft losses. Entity Tax Identification Number Entity Tax Identification Number Valuation technique, discounted cash flow [Member] Valuation Technique, Discounted Cash Flow [Member] Securities of U.S. Treasury and federal agencies [Member] Securities Of US Treasury, Federal Agencies Including Federal Agency Mortgage-Backed Securities [Member] This category includes investments in debt securities, including mortgage-backed securities, issued by the United States Department of the Treasury, US Government Agencies and US Government-sponsored Enterprises. Such securities may include treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years), debt securities issued by the Government National Mortgage Association (Ginnie Mae) and debt securities issued by the Federal National Mortgage Association (Fannie Mae) or the Federal Home Loan Mortgage Corporation (Freddie Mac). Provision for credit losses, Held-to-maturity Debt Securities, Held-to-Maturity, Credit Loss Expense (Reversal) Term loans by origination year, three years before current fiscal year, charge-offs Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Standardized Approach Under Basel III [Member] Banking Regulation, Standardized Approach [Member] Offsetting of Derivative Assets and Liabilities Offsetting Assets and Liabilities [Table Text Block] Tabular disclosure of derivative assets and liabilities that are subject to offsetting, including master netting arrangements. Variable interest entity, creditor or beneficial interest holder, lack of recourse [true false] Variable Interest Entity, Creditor or Beneficial Interest Holder, Lack of Recourse [true false] Supplemental Income Statement Elements [Abstract] Supplemental Income Statement Elements [Abstract] Net amount Securities Sold under Agreements to Repurchase and Securities Loaned, Net Net amount of exposure after accounting for amounts offset in the consolidated balance sheet and securities or loans collateral that has not been offset against securities sold under agreement to repurchase and securities loaned. Net change in derivatives and hedging activities Net change, Net of tax Other Comprehensive Income (Loss), Cash Flow Hedge And Fair Value Hedge Including Derivative Excluded Component Gain (Loss), After Reclassification, After Tax Amount, after tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge and fair value hedge included in assessment of hedge effectiveness and increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Goodwill Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Fair value hedges [Member] Accumulated Other Comprehensive Income (Loss), Derivative Qualifying as Hedge, Excluded Component, Including Portion Attributable to Noncontrolling Interest [Member] Net gains (losses) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Measurement input, cost to service per loan [Member] Measurement Input, Cost of Service Per Loan [Member] Measurement Input, Cost of Service Per Loan [Member] Corporate [Member] Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Revenue by Operating Segment Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Reversal of portfolio level basis adjustments Reversal Of Hedged Asset Fair Value Hedge Portfolio Layer Method Cumulative Increase Decrease Reversal of amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk, in portfolio layer hedging relationship, excluded from amortized cost of asset included in closed portfolio. Series FF - 6.85% Fixed-Reset-Non-Cumulative Perpetual Class A Preferred Stock [Member] Series FF - 6.85% Fixed-Reset-Non-Cumulative Perpetual Class A Preferred Stock [Member] Series FF - 6.85% Fixed-Reset-Non-Cumulative Perpetual Class A Preferred Stock Dividends, preferred stock Dividends, Preferred Stock Tax credit structures [Member] Investment Tax Credit [Member] Investment tax credit arising from certain qualifying capital expenditures including, but not limited to, affordable housing, rehabilitation and energy projects. Term loans by origination year, three years before current fiscal year, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Amortized cost excluding accrued interest, of financing receivable and net investment in lease, originated three years prior to current fiscal year. Repurchased, shares Stock Repurchased During Period, Shares Credit-Risk Contingent Features Schedule of Derivative Contracts, Credit-Risk Contingent Features [Table Text Block] Schedule of exposure to derivative contracts with credit-risk contingent features, collateral posted, and the additional collateral required to post due to a credit rating downgrade below investment grade. Other Other Comprehensive Income (Loss), Other, Net Of Tax Amount, after tax, of miscellaneous transactions including foreign currency effects and credit and debit valuation adjustments. Debt securities, held-to-maturity, accounting policy election, accrued interest writeoff method [Fixed List] Debt Securities, Held-to-Maturity, Accounting Policy Election, Accrued Interest Writeoff Method [Fixed List] Trading assets [Member] Trading Assets [Member] Financial assets classified as trading. Income and Expenses, Lessor [Abstract] Income and Expenses, Lessor [Abstract] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Deferred income tax benefit Increase (Decrease) in Deferred Income Taxes Preferred stock: Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants [Abstract] Trading liabilities Total trading liabilities after derivative netting Trading Liabilities Net change in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Add: Stock-based compensation awards (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Changes in MSRs measured at fair value Servicing Asset at Fair Value, Amount [Roll Forward] Measurement input, prepayment rate [Member] Measurement Input, Prepayment Rate [Member] Guarantor Obligations [Line Items] Guarantor Obligations [Line Items] 12 months or more, Gross unrealized losses, available-for-sale Available-For-Sale Debt Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss Amount of accumulated unrealized loss on investments in debt securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Earnings Per Share, Diluted, Other Disclosure [Abstract] Net income (loss) before income tax expense Investment Program, Proportional Amortization Method, Elected, Income (Loss) Before Income Tax Expense (Benefit) Amount before income tax expense (benefit), of income (loss) on investments under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method. Recognized interest income Financing Receivable, Nonaccrual, Interest Income Asset Class [Axis] Asset Class [Axis] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset, gain (loss) included in other comprehensive income (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Leases [Abstract] Leases [Abstract] Nonaccrual loans without related allowance for credit losses Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Pledged Status [Axis] Pledged Status [Axis] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Transfers into Level 3 Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 Available-for-sale, gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Commercial Loan Categories by Delinquency Status Financing Receivables By Delinquency Status Commercial [Table Text Block] Schedule of commercial financing receivables by delinquency status. Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Earnings per common share (in dollars per share) Per share (in dollars per share) Earnings Per Share, Basic Carrying value of delinquent loans eligible for repurchase Unpaid Principal Balance Of Mortgage Loans Eligible For Repurchase Unpaid principal balance of mortgage loans eligible for repurchase from unconsolidated residential mortgage securitization vehicles, principally guaranteed by GNMA, included in assets. Net derivative gains (losses) from economic hedges related to mortgage loans held for sale and derivative loan commitments Net Derivative Gains (Losses) From Economic Hedges Related To Mortgage Loans Held for Sale and Derivative Loan Commitments Net Derivative Gains (Losses) From Economic Hedges Related To Mortgage Loans Held for Sale and Derivative Loan Commitments Gross amounts recognized Total repurchases and securities lending Securities Loaned and Securities Sold under Agreement to Repurchase, Gross Including Not Subject to Master Netting Arrangement Financing receivable, threshold period past due, writeoff Financing Receivable, Threshold Period Past Due, Writeoff Measurement input, discount rate [Member] Measurement Input, Discount Rate [Member] Other liabilities [Member] Other Liabilities Instruments [Member] Other Liabilities Instruments [Member] Held-to-maturity, gross unrealized gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Net unrealized gains (losses) related to assets and liabilities held at period end Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Fair Value on a Nonrecurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Loan charge-offs, loans Loan charge-offs, loans Loan charge-offs, loans Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Net amount Securities Purchased under Agreements to Resell and Securities Borrowed, Net Net amount of exposure after accounting for amounts offset in the consolidated balance sheet and securities or loans collateral that has not been offset against securities purchased under agreement to resell and securities borrowed. Mortgage Servicing Rights Schedule of Servicing Assets at Fair Value [Table Text Block] Net change, Tax effect Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Hedging Designation [Domain] Hedging Designation [Domain] Fair Value Hedges: Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net [Abstract] Fair value, asset (liability), recurring basis, unobservable input reconciliation, gain (loss), statement of income or comprehensive income [Extensible Enumeration] Fair Value, Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Loans held for sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Preferred Stock [Abstract] Preferred Stock and Common Stock [Abstract] Commercial real estate loans [Member] Commercial Real Estate Loans [Member] Class of financing receivables related to commercial real estate financing receivables. Derivative Assets Offsetting Derivative Assets [Abstract] Net unrealized gains (losses) arising during period, Before tax Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, before Tax Balance, beginning of period Balance, end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset (Liability) Value Fair value of financial instrument classified as an asset (liability) measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Common Stock Shares Outstanding [Line Items] Common Stock Shares Outstanding [Line Items] Common Stock Shares Outstanding [Line Items] Treasury stock, common [Member] Treasury Stock, Common [Member] Trial modifications [Member] Trial modifications [Member] Loans that are in a trial period before they can be permanently modified. Tier 1 capital Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Lease liabilities Operating Lease, Liability Investment program commitment, payment period Investment Program, Proportional Amortization Method, Elected, Commitment, Payment Period Period over which contingent commitments to investments under tax credit programs elected to be accounted for using proportional amortization method are expected to be paid. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method. Gross unrealized losses from observable price changes Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount 90 days or more past due [Member] 90 days or more past due and still accruing [Member] Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Unrealized gain (loss) in AOCI, on available-for-sale debt securities transferred to held-to-maturity debt securities, after tax OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Amount in AOCI of Unrealized Gain (Loss), after Tax Amount, after tax, in accumulated other comprehensive income (loss) of unrealized gain (loss) on available-for-sale debt security from transfer to held-to-maturity debt security. The unrealized gain (loss) is amortized from accumulated other comprehensive income (loss) into earnings over the same period as the unamortized premiums and discounts using the effective interest method. Liabilities Liabilities [Abstract] Measurement Alternative Cumulative Gains (Losses) Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount [Abstract] Change in fair value of excluded components, Tax Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after Adjustments, Tax Net investment in lease, revolving loans, charge-offs Net Investment in Lease, Revolving, Writeoff Amount, of writeoff of net investment in lease that can be withdrawn, repaid, and redrawn. Net unrealized gains (losses) related to assets and liabilities held at period end Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss) Loans modified during the period, subsequent default Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default Credit Quality Indicators for Auto Loans by Vintage Financing Receivable Credit Quality Indicators, Auto Loans [Table Text Block] Tabular disclosure of financing receivables by credit quality indicator for auto loans. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. Auto [Member] Automobile Loan [Member] Net unrealized gains (losses) arising during the period, Tax effect OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax Trading Activity, by Type [Domain] Trading Activity, by Type [Domain] Common stock: Common Stock [Abstract] Common Stock. Recognized on hedged items Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Interest and Income Taxes Paid, Net and Other Significant Noncash Transactions [Line Items] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Loss Contingency, Claims Settled, Number Loss Contingency, Claims Settled, Number Term loans by origination year, four years before current fiscal year, total Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Amortized cost excluding accrued interest, of financing receivable and net investment in lease, originated four years prior to current fiscal year. Earnings Per Share, Anti-Dilutive, Method [Axis] Earnings Per Share, Anti-Dilutive, Method [Axis] Method used to calculate anti-dilutive securities. Measurement Input Type [Axis] Measurement Input Type [Axis] Loan charge-offs, lease financing Loan charge-offs, lease financing Net Investment in Lease, Allowance for Credit Loss, Writeoff Sold or Securitized Loans Serviced for Others Schedule of Off Balance Sheet Loans Sold or Securitized And Serviced For Others [Table Text Block] Information about loans sold or securitized in which the company has ongoing involvement as servicer. Paydowns and maturities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Involvement With Tax Credit VIEs Textual [Abstract] Involvement With Tax Credit VIEs Textual [Abstract] Involvement With Tax Credit VIEs Textual Conforming mortgage loan securitization [Member] Conforming Mortgage Loan Securitization [Member] A a mortgage loan whose underlying terms and conditions meet government-sponsored enterprise guidelines. Fair value derivative liabilities, netting Derivative netting, Liabilities Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset Legal Entity [Axis] Legal Entity [Axis] Series BB - 3.90% Fixed-Reset Non-Cumulative Perpetual Class A Preferred Stock [Member] Series BB Preferred Stock [Member] Series BB Preferred Stock [Member] Estimated future amortization expense for the year ended December 31, 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Credit Derivatives Contract Type [Axis] Credit Derivatives Contract Type [Axis] Weighted average term extension (months) Weighted average term extension (years) Financing Receivable, Excluding Accrued Interest, Modified, Weighted Average Term Increase from Modification Period of increase in weighted average maturity of financing receivable, excluding accrued interest, modified for debtor experiencing financial difficulty. External Credit Rating by Grouping [Domain] External Credit Rating by Grouping [Domain] Receivable Type [Axis] Receivable Type [Axis] Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, after Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, after Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Proceeds from sales of loans originally classified as held for investment Proceeds from Sale, Loan and Lease, Held-for-Investment Principal amount that would be payable to securitization vehicles Principal Amount That Would Be Payable To Securitization Vehicles Principal amount, included in liabilities, that would be payable to the securitization vehicles if the Company were to exercise the repurchase option. Assets: Assets, Fair Value Disclosure [Abstract] Estimated future amortization expense for the year ended December 31, 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Total capital Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum Details of Sold and Purchased Credit Derivatives [Abstract] Details of Sold and Purchased Credit Derivatives [Abstract] Details of Sold and Purchased Credit Derivatives Abstract. Credit Score, FICO [Axis] Credit Score, FICO [Axis] Dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Schedule Of Available-For-Sale Debt Securities [Line Items] Debt Securities, Available-for-Sale [Line Items] Fair value, inputs, level 2 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Loss Contingency, Settlement Agreement, Date Loss Contingency, Settlement Agreement, Date Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Other commitments and guarantees [Member] Other commitments and guarantees [Member] Other Commitments And Guarantees Member. Asset pledged as collateral [Member] Asset Pledged as Collateral [Member] Allowance for loan losses as a percentage of total loans Financing Receivable and Net Investment in Lease, Allowance for Loan Losses to Outstanding, Percent Percentage of allowance for loan losses to total financing receivable and net investment in lease outstanding. Residential mortgage [Member] Residential Mortgage [Member] Change in fair value of excluded components, Net of tax Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after Adjustments and Tax Loss contingency, pending claims, number Loss Contingency, Pending Claims, Number Trading debt securities Debt Securities, Trading Hedge accounting basis adjustment, assets Hedged Asset, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) Term loans by origination year, four years before current fiscal year, net investment in lease Net Investment in Lease, Year Five, Originated, Four Years before Current Fiscal Year Net change in: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Income Statement [Abstract] Income Statement [Abstract] Affordable housing tax credit investments [Member] Affordable Housing Tax Credit Proportional Amortization Method Investments [Member] Investment in affordable housing that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method. Federal reserve bank stock Federal Reserve Bank Stock Product and Service [Domain] Product and Service [Domain] Net gains from trading and securities [Member] Net Gains (Losses) From Trading and Securities [Member] Net Gains (Losses) From Trading and Securities [Member] Total Wells Fargo stockholders' equity [Member] Parent [Member] Notional or contractual amount Derivative, Notional Amount Servicing and foreclosure costs [Member] Servicing And Foreclosure Costs [Member] Servicing and foreclosure costs, such as costs to service and unreimbursed foreclosure costs, used to estimate the fair value of servicing assets and servicing liabilities. Operating lease, lease income, statement of income or comprehensive income [Extensible Enumeration] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Allowance for Credit Losses for Loans Financing Receivable, Allowance for Credit Loss [Table Text Block] Debit valuation adjustment (DVA), parent [Member] Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent [Member] Reclassification of net (gains) losses to net income, Tax effect Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, Tax Principal Balances - Off-Balance Sheet Securitized Loans [Abstract] Loans Managed, Securitized or Asset-Backed Financing Arrangement [Abstract] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Lessee Disclosure [Abstract] Lessee Disclosure [Abstract] Banking Regulation, Countercyclical Capital Buffer Banking Regulation, Countercyclical Capital Buffer Allowance for credit losses for loans, beginning of period Allowance for credit losses for loans, end of period Financing Receivable and Net Investment in Lease, Allowance for Credit Loss, Excluding Accrued Interest Amount excluding accrued interest, of allowance for credit loss on financing receivable and net investment in lease. Loan Restructuring Modification Name [Domain] Loan Restructuring Modification Name [Domain] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Government insured or guaranteed [Member] Loans Insured or Guaranteed by US Government Authorities [Member] Nonpersonnel expense Nonpersonnel Expense Total aggregate amount of all nonpersonnel expense. Interest receivable Interest Receivable Held-to-maturity, amortized cost, net, remaining contractual maturity, due after ten years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years Amortization of net actuarial loss (gain) Defined Benefit Plan, Amortization of Gain (Loss) Total lease costs Lease, Cost Cash flow hedging [Member] Cash Flow Hedging [Member] Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Equity contracts [Member] Equity Contract [Member] Available-for-sale, weighted average yield, remaining contractual maturity, due after five years through ten years Debt Securities, Available-for-Sale, Maturity, Rolling after 5 through 10 Years, Weighted Average Yield Deferred income as a percentage of total loans outstanding Loans And Leases Receivable Deferred Income As a Percent of Loans And Leases Receivable Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans, as a percentage of total loans and leases receivable, net. Reclassification of amounts to noninterest expense, Net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Net Investment in Lease, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Net Investment in Lease, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Investment program, proportional amortization method, policy election [true false] Investment Program, Proportional Amortization Method, Policy Election [true false] Net unrealized gains (losses) arising during the period, Net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Securities of U.S. Treasury and federal agencies [Member] Securities of U.S. Treasury and federal agencies [Member] US Treasury and Government [Member] Debt securities, gross unrealized gains Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain Other assets, fair value carrying amount less aggregate unpaid principal Fair ​Value ​Option ​Aggregate ​Differences ​Other Assets This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of other assets, for which the fair value option has been elected. CVA Credit Valuation Gain Loss On Derivative Asset Credit valuation gain (loss) on derivative asset Derivative Instrument [Axis] Derivative Instrument [Axis] Earnings Per Share Reconciliation [Abstract] Earnings Per Share Reconciliation [Abstract] Debt securities, held-to-maturity, excluded accrued interest [true false] Debt Securities, Held-to-Maturity, Excluded Accrued Interest [true false] Entity [Domain] Entity [Domain] Net cash provided (used) by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Total, Gross unrealized losses, available-for-sale Available-For-Sale Debt Securities, Continuous Unrealized Loss Position, Accumulated Loss Amount of accumulated unrealized loss on investments in debt securities classified as available-for-sale in a continuous loss position. Loans Insured or Guaranteed by Government Authorities [Axis] Loans Insured or Guaranteed by Government Authorities [Axis] Document Fiscal Year Focus Document Fiscal Year Focus Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset (Liability), Purchases Amount of purchases of financial instrument classified as an asset (liability) measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Nontaxable preferred debt securities [Member] Nontaxable Preferred Debt Securities [Member] Nontaxable preferred debt securities issued by investment funds or trusts Recognized on derivatives Derivative, Fair Value Hedge, Included in Effectiveness, Gain (Loss) Exchange traded [Member] Exchange Traded [Member] Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Carrying value [Member] Reported Value Measurement [Member] Resale and Securities Borrowing Agreements [Abstract] Resale and Securities Borrowing Agreements [Abstract] Gross unrealized gains from observable price changes Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount Operating Segments Segment Reporting Disclosure [Text Block] Schedule of Goodwill [Table] Goodwill [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Not designated as hedging instrument [Member] Not designated as hedging instrument [Member] Not Designated as Hedging Instrument [Member] Maximum exposure to loss, Expires after five years Guarantor Obligations, Maximum Exposure, Expires after Five Years Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions, expiring after five years. Other Commitments [Line Items] Other Commitments [Line Items] Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Other debt securities [Member] Other [Member] Other Debt Obligations [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Loans [Member] Loans Receivable [Member] Gross Obligations by Underlying Collateral Type and Contractual Maturities of Gross Obligations Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table Text Block] Stock redeemed Stock Redeemed or Called During Period, Value Measurement input, volatility factor [Member] Measurement Input, Price Volatility [Member] Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table] Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table] Securities Financing Activities Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] Measurement input, weighted average life [Member] Measurement Input, Weighted Average Life [Member] Measurement Input, Weighted Average Life [Member] Equity [Member] Equity [Member] Loan Purchases, Sales, and Transfers Financing Receivables Significant Activity [Table Text Block] Financing receivables significant activity. Renewable energy tax credit investments [Member] Renewable Energy Tax Credit Proportional Amortization Method Investments [Member] Investment in renewable energy projects that generate income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method. Finance lease obligations Finance Lease, Liability Valuation technique, option model [Member] Valuation Technique, Option Pricing Model [Member] Regulatory charges and assessments Regulatory Charges and Assessments Regulatory charges and assessments expense, including FDIC assessment expense. Financing receivable, residential mortgage, delinquency before foreclosure commencement, period Financing Receivable, Residential Mortgage, Delinquency Before Foreclosure Commencement, Period The minimum period a residential mortgage loan must be delinquent before the entity may commence foreclosure proceedings, in accordance with Consumer Financial Protection Bureau guidelines. Segments [Axis] Statement, Business Segments [Axis] Segments [Axis] CVA Derivative Credit Risk Valuation Adjustment, Derivative Assets Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Local Phone Number Local Phone Number Derivatives (Textual) [Abstract] Derivatives (Textual) [Abstract] Derivatives Textual Abstract. Unfunded Credit Commitments Financing Receivables Comments To Lend [Table Text Block] Schedule of financing receivables commitments to lend. Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Financing receivable, accrued interest, writeoff Financing Receivable, Accrued Interest, Writeoff Other, net Payment for (Proceeds from) Other Investing Activity Up to 30 days [Member] Maturity Less than 30 Days [Member] Allowance for unfunded credit commitments Off-Balance-Sheet, Credit Loss, Liability Investment Program Proportional Amortization Method Applied NonIncome Tax Related Activity And Other Return Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Investment Program Proportional Amortization Method Applied NonIncome Tax Related Activity And Other Return Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Investment Program Proportional Amortization Method Applied NonIncome Tax Related Activity and Other Return Statement of Cash Flows Extensible Enumeration Not Disclosed Flag Federal funds purchased and securities loaned or sold under repurchase agreements Federal funds purchased and securities loaned or sold under repurchase agreements Federal Funds Purchased and Securities Sold under Agreements to Repurchase Other derivative contracts [Member] Other Contract [Member] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Preferred stock, no voting rights [Member] Preferred Stock, No Voting Rights [Member] Preferred stock with no voting rights. Components of net periodic benefit cost [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Employee Benefits Retirement Benefits [Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Wells Fargo stockholders’ equity: Wells Fargo stockholders’ equity: Equity, Attributable to Parent [Abstract] Fair value Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value Available-for-sale debt securities: Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Net Gains (Losses) from Trading Activities [Table] Net Gains (Losses) From Trading Activities [Table] Derivative Assets, gross Gross derivative assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Interest income, Held-to-maturity Interest Income, Debt Securities, Held-to-Maturity Accounts receivable Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Deferred net gains (losses) on derivatives in other comprehensive income Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Fair value option aggregate differences other liabilities Fair Value Option Aggregate Differences Other Liabilities This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of other liabilities that have contractual principal amounts and for which the fair value option has been elected. Provision for credit losses Provision for Loan, Lease, and Other Losses Interest rate [Member] Interest Rate [Member] Trading in a derivative or nonderivative instruments whose primary underlying risk is tied to interest rate fluctuations. Investment program proportional amortization method elected income tax credit and other income amortization statement of cash flows extensible enumeration not disclosed flag Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag Interest cost Defined Benefit Plan, Interest Cost Reclassification of net (gains) losses to net income, Before tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Net investment in lease by origination year, more than five years before current fiscal year, charge-offs Net Investment in Lease, Originated, More than Five Years before Current Fiscal Year, Writeoff Fair value, asset, recurring basis, still held, unrealized gain (loss), statement of income or comprehensive income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Restatement Determination Date: Restatement Determination Date [Axis] Total liabilities prior to derivative netting Trading Liabilities, Gross Before Derivative Netting, Fair Value Disclosure Gross trading liabilities, prior to derivative netting. Mortgage Banking Activities Textual [Abstract] Mortgage Banking Activities Textual [Abstract] Mortgage Banking Activities Textual Abstract. Other, net Proceeds from (Payment for) Other Financing Activity Credit Quality Indicators for Credit Card Loans Financing Receivable Credit Quality Indicators, Credit Card [Table Text Block] Tabular disclosure of financing receivables by credit quality indicator for credit cards. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. Amounts reclassified from AOCI Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Name Trading Arrangement, Individual Name Other comprehensive income (loss), cash flow hedge, gain (loss), after reclassification, before tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Available-for-sale, weighted average yield, remaining contractual maturity, due after one year through five years Debt Securities, Available-for-Sale, Maturity, Rolling after One Through Five Years, Weighted Average Yield Credit Quality Indicators for Residential Mortgage Loans by Vintage Financing Receivable Credit Quality Indicators, Residential Loans [Table Text Block] Tabular disclosure of financing receivables by credit quality indicator for residential loans. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. Deposits [Member] Deposits [Member] Net change, Tax effect Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Amortized cost including portfolio level basis adjustment, net Debt Securities, Available-For-Sale And Held-To-Maturity, Amortized Cost, After Allowance For Credit Loss And Including Portfolio Level Basis Adjustments Amortized cost, after allowance for credit loss and portfolio level basis adjustments, of investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Preferred stock [Member] Preferred Stock [Member] Weighted average principal deferred, term Financing Receivable, Excluding Accrued Interest, Modified, Weighted Average Principal Deferred Period of weighted average principal deferred until end of term, of financing receivable modified for debtor experiencing financial difficulty. Re-designated as hedging instrument [Member] Re-Designated As Hedging Instrument [Member] Terminated hedging instrument whereby the hedged item has been re-designed into an existing hedging instruments. Technology, telecommunications and equipment Information Technology, Communications, and Equipment Expense The amount of expense in the period for information technology, communications, and equipment expense. Impairment write-downs Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount Liability Class [Axis] Liability Class [Axis] Litigation Case [Axis] Litigation Case [Axis] Location, Statement of Income, Balance [Axis] Statement of Income Location, Balance [Axis] Sales and other Servicing Asset at Fair Value, Other Changes that Affect Balance Term loans by origination year, three years before current fiscal year, net investment in lease Net Investment in Lease, Year Four, Originated, Three Years before Current Fiscal Year Weighted average interest rate reduction Financing Receivable, Excluding Accrued Interest, Modified, Weighted Average Interest Rate After Modification Percentage, after modification, of weighted-average interest rate of financing receivable, excluding accrued interest, for debtor experiencing financial difficulty. Fair value of securities received as collateral that have been resold or repledged Fair Value of Securities Received as Collateral that Have Been Resold or Repledged Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Credit and debit card [Member] Credit and Debit Card [Member] Purchases Payments to Acquire Debt Securities, Available-for-Sale Preferred stock Preferred Stock, Value, Issued Reserve balance for non-U.S. central banks [Member] Reserve Balance For Non-US Central Banks [Member] Amount of restricted cash and cash equivalents of reserve balance for non-U.S. Central Banks Other assets, aggregate unpaid principal Other Assets, Aggregate Unpaid Principal Other assets for which the fair value option has been elected, this item represents the aggregate unpaid principal balance. Trading assets Interest Income, Debt Securities, Trading, Operating Preferred stock, aggregate liquidation preference Preferred stock, liquidation preference, value Preferred Stock, Liquidation Preference, Value Payment Performance of Commercial Loan Modifications Commercial Financing Receivable, Modified, Payment Performance on Modification [Table Text Block] Tabular disclosure of payment performance on commercial financing receivables modified for debtors experiencing financial difficulty. Noncontrolling interests [Member] Noncontrolling Interest [Member] Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Total AFS and HTM Debt securities: Marketable Securities [Abstract] Restricted Cash and Cash Equivalent Item [Line Items] Restricted Cash and Cash Equivalent Item [Line Items] Net servicing fees Net Servicing Fees Total of fees earned in exchange for servicing financial assets, net of unreimbursed direct servicing costs, amortization and changes in fair value classified as other. Provision for credit losses Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Credit Loss Expense (Reversal) Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable and net investment in leases. Held-to-maturity, weighted average yield, remaining contractual maturity, due after one year through five years Debt Securities, Held-to-Maturity, Maturity, Rolling after One Through Five Years, Weighted Average Yield Net income (loss) related to affordable housing and renewable energy tax credit investments Investment Program, Proportional Amortization Method, Elected, Income (Loss) After Income Tax Expense (Benefit) Amount of net income (loss) after income tax expense (benefit) generated by investment under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method. Mortgage loans in process of foreclosure, amount Mortgage Loans in Process of Foreclosure, Amount PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Carrying amount of liabilities Hedged Liability, Fair Value Hedge Diluted earnings per common share Earnings Per Share, Diluted [Abstract] Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Net investment in lease by origination year, three years before current fiscal year, charge-offs Net Investment in Lease, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff All Individuals All Individuals [Member] Trading assets, debt instruments [Member] Trading Assets, Debt Instruments [Member] Debt instruments classified as trading, includes trading debt securities and trading loans. Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Name Forgone Recovery, Individual Name Noninterest income on leases Lease Noninterest Income, Lessor Amount of direct financing lease income from variable lease payments; and operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, gains and losses from sale of lease assets and variable lease payments not included in measurement of lease receivable. Unfunded equity and loan commitment [Member] UnfundedEquityAndLoanCommitmentMember [Member] Undisbursed funds of a credit facility in which the borrower may draw upon. Disposal Group Classification [Axis] Disposal Group Classification [Axis] Impairment write-downs Equity Securities Without Readily Determinable Fair Value Not Held For Trading, Gain (Loss), Impairment In Value of Asset Amount of unrealized and realized gain (loss) resulting from the aggregate write down to amounts that can be expected to be realized or recovered, on equity securities without readily determinable fair value not held for trading. Gross amounts offset in consolidated balance sheet Securities Sold Under Agreements To Repurchase And Securities Loaned, Gross Amount Offset Against Balance Sheet Collateral Amount of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price offset against a right to receive collateral. Also includes amount of securities loaned to entities in exchange for collateral offset against a right to receive collateral under a master netting arrangement. Foreign exchange [Member] Foreign Exchange [Member] Treasury stock [Member] Treasury Stock, Common and Preferred [Member] Previously issued common and preferred shares repurchased by the issuing entity and held in treasury. Term loans by origination year, four years before current fiscal year, charge-offs Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Measurement Alternative Cumulative Gains (Losses) Measurement Alternative Cumulative Gains (Losses) [Table Text Block] Schedule showing the cumulative carry value adjustment to nonmarketable equity securities accounted for under the measurement alternative that were still held at the end of each reporting period. Notional or Contractual Amounts and Fair Values of Derivatives Schedule of Derivative Instruments [Table Text Block] Debt securities, noncontrolling interest [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest [Member] Trading assets Total trading assets after derivative netting Trading Assets The fair value amount, after the effects of master netting arrangements, as of the balance sheet date that pertains to financial instruments classified as trading: (1) debt and equity securities, (2) derivative assets, (3) physical commodities inventory, (4) loans held for sale, and (5) other assets classified as trading. Maximum exposure to loss, Expires after three years through five years Guarantor Obligations, Maximum Exposure, Expires in Three Years through Five Years Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions, expiring in three years through five years. Transaction Type [Axis] Transaction Type [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Held for trading at fair value [Member] Held For Trading [Member] Held for Trading [Member] Purchases of loans Payment for Acquisition, Loan and Lease, Held-for-Investment Proceeds from sales and capital returns Proceeds from Sale and Capital Returns of Equity Securities Not-Held-For-Trading The cash inflow associated with the sale and capital returns of non-held-for-trading equity securities, consisting of either fair value, equity method cost or the measurement alternatives. Purchases Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, Purchase Amount excluding accrued interest, of increase in financing receivable and net investment in lease, from purchase. Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Other assets, carried at fair value Other Assets, Servicing Asset At Fair Value Amount, and Loans Held For Sale, Fair Value Disclosure Fair value portion of other assets, servicing asset at fair value amount, and loans held-for-sale. Fair value, net derivative asset (liability), recurring basis, still held, unrealized gain (loss), statement of income or comprehensive income [Extensible Enumeration] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Pledged Assets [Table] Schedule of Financial Instruments Owned and Pledged as Collateral [Table] Schedule of Financial Instruments Owned and Pledged as Collateral [Table] Term loans by origination year, two years before current fiscal year, charge-offs Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Term loans by origination year, current fiscal year, net investment in lease Net Investment in Lease, Year One, Originated, Current Fiscal Year Quantitative Information, Transferor's Continuing Involvement [Line Items] Quantitative Information, Transferor's Continuing Involvement [Line Items] [Line Items] for Quantitative information related to a transferor's continuing involvement with financial assets transferred to a transferee in a securitization, asset-backed financing arrangement, or similar transfer. Investment Program, Proportional Amortization Method, Applied, Non-Income-Tax-Related Activity and Other Return, Statement of Income or Comprehensive Income [Extensible Enumeration] Investment Program, Proportional Amortization Method, Applied, Non-Income-Tax-Related Activity and Other Return, Statement of Income or Comprehensive Income [Extensible Enumeration] Preferred stock dividends and other Preferred Stock Dividends and Other Adjustments External Credit Rating by Grouping [Axis] External Credit Rating by Grouping [Axis] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Loans: Payments for (Proceeds from) Loans and Leases [Abstract] Service cost Defined Benefit Plan, Service Cost Measurement Frequency [Domain] Measurement Frequency [Domain] Loans held for sale Financing Receivable Held For Sale Amount, Excluding Net Investment in Lease, Not Carried At Fair Value On A Recurring Basis Amount, after valuation allowance, of financing receivable classified as held-for-sale. Excludes net investment in lease and held for sale amount carried at fair value on a recurring basis. Net unrealized gains (losses) arising during the period Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Measurement input, loss severity [Member] Measurement Input, Loss Severity [Member] Preferred Stock and Common Stock Equity [Text Block] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Loans, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Net change, Tax effect Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Reclassification Adjustment, Tax Risk-Weighted Assets Calculation Methodology [Axis] Banking Regulation, Risk-Weighted Assets Calculation Methodology [Axis] Credit default swaps [Member] Credit Default Swap [Member] Securitizations and Variable Interest Entities Textual [Abstract] Securitizations and Variable Interest Entities Textual [Abstract] Securitizations and Variable Interest Entities Textual Abstract. Total leasing revenue Lease Revenue Lessor Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, lease payments paid and payable to lessor, and gains and losses from sale of lease assets. Fair value, asset (liability), recurring basis, still held, unrealized gain (loss), statement of income or comprehensive income [Extensible Enumeration] Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred shares authorized Preferred Stock, Shares Authorized Repurchased Payments for Repurchase of Common Stock Hedged asset, statement of financial position [Extensible Enumeration] Hedged Asset, Statement of Financial Position [Extensible Enumeration] Gross amounts offset in consolidated balance sheet Securities Purchased Under Agreements To Resell And Securities Borrowed, Gross Amount Offset Against Balance Sheet Collateral Amount of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price offset against an obligation to return collateral. Also includes amount of securities borrowed from entities in exchange for collateral offset against an obligation to return collateral under a master netting arrangement. Loans held for sale [Member] Loans held for sale [Member] Loans held for sale Member. Impact on fair value from 200 basis point increase Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Two Hundred Basis Point Adverse Change In Discount Rate Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Two Hundred Basis Point Adverse Change In Discount Rate. Trading assets, fair ​value carrying amount less aggregate unpaid principal Fair ​Value ​Option ​Aggregate ​Differences ​Trading Assets This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of trading assets, for which the fair value option has been elected. Net changes in valuation inputs or assumptions Changes in fair value of MSRs due to valuation inputs or assumptions Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions Class of Stock [Axis] Class of Stock [Axis] Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] Total Notional Or Contractual Amounts And Fair Values For Derivatives Abstract. Capital conservation buffer, minimum Banking Regulation, Capital Conservation Buffer, Capital Conserved, Minimum Other card fees Other Credit And Debit Card Fees Amount of income earned classified as other from credit card services (including late, over limit, and annual fees) and debit card services (including interchange fees, annual fees and other fees). Excludes interest income earned on credit card balances and transactions. Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Loans (average) Financing Receivables and Net Investment in Lease, Excluding Accrued Interest, Before Allowance for Credit Loss, Average Amount Outstanding Average amount outstanding, excluding accrued interest, and before allowance for credit loss, of financing receivables and net investment in lease. Seminole Tribe - Administration of a minor’s trust [Member] Seminole Tribe - Administration of a minor’s trust [Member] Administration of a minor’s trust [Member] FICO 620 to 659 [Member] FICO Score, 620 to 659 [Member] From 620 to 659 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Retirement Plan Type [Axis] Retirement Plan Type [Axis] Statement [Table] Statement [Table] Tax credit investments [Member] Tax Credit Investments [Member] Investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method. All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Termination Date Trading Arrangement Termination Date Description of guarantees given by registrant Description of Guarantees Given by Registrant Total net gains (losses) from equity securities Net gains (losses) from equity securities Gain (Loss) From Equity Securities, Not Held For Trading The revenue derived from equity securities held at fair value (excluding trading securities), and investments accounted for under both the equity method and measurement alternative. Includes marketable equity securities, private equity, and principal investments: includes realized investment gains or losses. Receivable [Domain] Receivable [Domain] Loans [Member] Loans [Member] Loans and Finance Receivables [Member] Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table] Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table] Earnings Per Common Share Calculations Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair value derivative assets, gross Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement Segment Reporting [Abstract] Segment Reporting [Abstract] Debt securities: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Net loans Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, after Allowance for Credit Loss Financing receivable amortized cost, and net investment in sales-type and direct financing leases, excluding accrued interest, after allowance for credit loss. Net realized gains (losses) Net gains (losses) from debt securities Debt Securities, Available-for-Sale, Realized Gain (Loss) Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Consolidated Entities [Axis] Consolidated Entities [Axis] Federal funds sold and securities borrowed or purchased under resale agreements Interest Income, Federal Funds Sold and Securities Purchased under Agreements to Resell Components of Mortgage Banking Noninterest Income [Abstract] Components of Mortgage Banking Noninterest Income [Abstract] Disclosure of information about income from mortgage banking activities. Recognized on derivatives, Total recorded in OCI Change in fair value of excluded components, Before tax Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after Adjustments, before Tax Use of Estimates Use of Estimates, Policy [Policy Text Block] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Total Banking Regulation, Total Capital, Actual Litigation Settlement, Amount Awarded to Other Party Litigation Settlement, Amount Awarded to Other Party Gross unrealized gains from observable price changes Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Counterparty netting, assets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Insider Trading Arrangements [Line Items] Equity securities [Member] Equity Securities [Member] Loans Not Insured or Guaranteed by Government Authorities [Axis] Loans Not Insured or Guaranteed by Government Authorities [Axis] Information by US and non-US non-government insured or guaranteed loans. Total modifications as a percentage of loan class Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage Leasing Revenue Leases of Lessor, Lease Income [Table Text Block] Tabular disclosure of components of lease income, from leases as lessor. Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Trailing commissions [Member] Trailing Commission [Member] Annual fees for providing investment advisory, asset management and administrative services. Fair Value Disclosures, Textual [Abstract] Fair Value Disclosures, Textual [Abstract] Fair Value Disclosures, Textual [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Available-for-Sale and Held-to-Maturity Debt Securities Outstanding Debt Securities AFS And HTM, Amortized Cost And Fair Value, By Category [Table Text Block] Tabular disclosure of available for sale and held to maturity debt securities. Held-to-maturity debt securities Held-to-maturity, amortized cost, net Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Accrued expenses and other liabilities [Member] Accrued Expenses and Other Liabilities [Member] Primary financial statement concepts encompassing accrued expenses and other liabilities. Corporate debt securities [Member] Corporate Debt Securities [Member] Collateral posted Collateral Already Posted, Aggregate Fair Value Nonrecourse [Member] Credit Quality Indicator, Updated Quarterly [Member] Debt Securities, Maturity Allocation, Contractual Maturity [Member] Net Combination Settlement [Member] Valuation, Market Approach [Member] Chief Executive Officer [Member]