Name:	us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Reflects the amount of the write-down related to a troubled debt restructuring.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

Name:	us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
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Data Type:	xbrli:monetaryItemType
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Financial effectf of modifications.

No definition available.

Name:	wfc_FinancialEffectsOfModificationsAbstract
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The principal amount of the outstanding recorded investment related to financing receivables that have been forgiven as a result of modifications of troubled debt restructurings.

No definition available.

Name:	wfc_FinancingReceivableModificationsPrincipalForgiven
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Period Type:	duration

Recorded investment of loans granted a concession (e.g., principal forgiveness, interest rate concession, other) during the current reporting period and modified in a previous quarter. These loans may be modified more than once.

No definition available.

Name:	wfc_LoansRemodified
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Primary modification type abstract.

No definition available.

Name:	wfc_PrimaryModificationTypeAbstract
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Amount of outstanding recorded investment after modification related to a contractual reduction in the loan's interest rate.

No definition available.

Name:	wfc_RecordedInvestmentAmountAfterLoanModificationRelatedToInterestRateReduction
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of outstanding recorded investment after modification related to loans for which the interest rate is not commensurate with the credit risk. These modifications would include renewals, terms extensions and other interest rate and non interest adjustments, but exclude principal modifications and modifications to reduce the interest rate.

No definition available.

Name:	wfc_RecordedInvestmentAmountAfterLoanModificationRelatedToOtherConcessions
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Data Type:	xbrli:monetaryItemType
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Amount of outstanding recorded investment after modification related to loans with principal forgiveness at the time of the modification, contingent principal forgiveness granted over the life of the loan based on borrower performance, or principal that has been legally separated and deferred to the end of the loan with a zero percent contractual interest rate.

No definition available.

Name:	wfc_RecordedInvestmentAmountAfterLoanModificationToPrincipal
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The amount of the outstanding recorded investment related to financing receivables that have been modified in troubled debt restructurings after the financing receivable has been modified.

No definition available.

Name:	wfc_RecordedInvestmentAmountOfLoansModified
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of outstanding recorded investment for financing receivables that have been classified as troubled debt restructurings that included a reduction of interest rate.

No definition available.

Name:	wfc_RecordedInvestmentOfLoansModifiedByInterestRateReduction
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Amount of weighted average reduction for those loan modifications involving interest rate reductions expressed as a percentage. It is calculated as the difference between the interest rate immediately prior to the loan modification and the rate immediately after the loan modification, weighted based on recorded investment of the loan.

No definition available.

Name:	wfc_WeightedAverageRateReductionRelatedToLoanModifications
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Data Type:	num:percentItemType
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Period Type:	duration

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Name:	us-gaap_FinancingReceivableTroubledDebtRestructuringAxis=us-gaap_CreditCardReceivablesMember
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Name:	us-gaap_FinancingReceivableTroubledDebtRestructuringAxis=us-gaap_ConsumerLoansAutoFinancingReceivableMember
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Name:	us-gaap_FinancingReceivableTroubledDebtRestructuringAxis=us-gaap_ConsumerLoanMember
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