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

Accumulated amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestModifiedAccumulated
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Accounts, Notes, Loans and Financing Receivable Textual [Abstract]

No definition available.

Name:	wfc_AccountsNotesLoansandFinancingReceivableTextualAbstract
Namespace Prefix:	wfc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Percentage of financing receivable excluding accrued interest, modified during period for debtor experiencing financial difficulty to total class of receivable.

No definition available.

Name:	wfc_FinancingReceivableExcludingAccruedInterestModifiedInPeriodToClassOfFinancingReceivablePercentage
Namespace Prefix:	wfc_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of decrease in weighted average contractual interest rate of financing receivable excluding accrued interest, modified for debtor experiencing financial difficulty.

No definition available.

Name:	wfc_FinancingReceivableExcludingAccruedInterestModifiedWeightedAverageInterestRateDecreaseFromModification
Namespace Prefix:	wfc_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

Period of increase in payment deferral of financing receivable excluding accrued interest, modified for debtor experiencing financial difficulty.

No definition available.

Name:	wfc_FinancingReceivableExcludingAccruedInterestModifiedWeightedAveragePaymentDeferral
Namespace Prefix:	wfc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Period of weighted average principal deferred until end of term, of financing receivable modified for debtor experiencing financial difficulty.

No definition available.

Name:	wfc_FinancingReceivableExcludingAccruedInterestModifiedWeightedAveragePrincipalDeferred
Namespace Prefix:	wfc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Period of increase in weighted average maturity of financing receivable excluding accrued interest, modified for debtor experiencing financial difficulty.

No definition available.

Name:	wfc_FinancingReceivableExcludingAccruedInterestModifiedWeightedAverageTermIncreaseFromModification
Namespace Prefix:	wfc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LoanRestructuringModificationNameAxis=wfc_TrialModificationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LoanRestructuringModificationAxis=wfc_ExtendedMaturityAndPaymentDeferralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LoanRestructuringModificationAxis=wfc_ContractualInterestRateReductionExtendedMaturityAndPaymentDeferralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LoanRestructuringModificationAxis=wfc_LoanModificationOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CreditCardReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: