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

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 05

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6395354&loc=d3e12631-108344

Name:	us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amounts to be paid in connection with legal or regulatory matters.

No definition available.

Name:	wfc_AmountsToBePaidInConnectionWithLegalOrRegulatoryMatters
Namespace Prefix:	wfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Number of legal actions outstanding for a particular litigation case during the reporting period.

No definition available.

Name:	wfc_LegalActionsNumber
Namespace Prefix:	wfc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Legal Actions Textual Abstract.

No definition available.

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

Litigation Settlement, Default Interchange Distributed To Class Merchants, Distribution Period

No definition available.

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

Litigation Settlement, Percentage Of Default Interchange Distributed To Class Merchants

No definition available.