The value (monetary amount) of the award the plaintiff seeks in the legal matter.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

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

+ References

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

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Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Legal Actions Textual Abstract.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	wfc_
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- Definition

Litigation Settlement, Percentage Of Default Interchange Distributed To Class Merchants

+ References

No definition available.

+ Details

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Legal Actions (Details)		130 Months Ended
Legal Actions (Details)	Jul. 13, 2012 USD ($)	Dec. 31, 2016 USD ($) legal_action
Liability for Contingent Litigation Losses [Member]
Legal Actions (Textual) [Abstract]
Range of possible loss, portion not accrued		$ 1,800,000,000
In re Interchange Litigation [Member]
Legal Actions (Textual) [Abstract]
Amounts to be paid in connection with legal or regulatory matters	$ 6,600,000,000
Distribution to class merchants (percent)	0.10%
Distribution period to class merchants	8 months
VALoanGuaranty [Member]
Legal Actions (Textual) [Abstract]
Loss Contingency, Number of Plaintiffs \| legal_action		2
Minimum [Member] \| VALoanGuaranty [Member]
Legal Actions (Textual) [Abstract]
Loss Contingency, Damages Sought, Value		$ 5,500
Maximum [Member] \| VALoanGuaranty [Member]
Legal Actions (Textual) [Abstract]
Loss Contingency, Damages Sought, Value		$ 11,000