Cover
| Cover | Feb. 11, 2020 |
| Schedule of Capitalization, Equity [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 11, 2020 |
| Entity File Number | 001-2979 |
| Entity Registrant Name | WELLS FARGO & COMPANY/MN |
| Entity Central Index Key | 0000072971 |
| Entity Tax Identification Number | 41-0449260 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 420 Montgomery Street |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94104 |
| City Area Code | 866 |
| Local Phone Number | 249-3302 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Information, Former Legal or Registered Name | Not applicable |
| Common Stock, par value $1-2/3 | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $1-2/3 |
| Trading Symbol | WFC |
| Security Exchange Name | NYSE |
| 7.5% Non-Cumulative Perpetual Convertible Class A Preferred Stock, Series L | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | 7.5% Non-Cumulative Perpetual Convertible Class A Preferred Stock, Series L |
| Trading Symbol | WFC.PRL |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series N | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series N |
| Trading Symbol | WFC.PRN |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series O | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series O |
| Trading Symbol | WFC.PRO |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series P | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series P |
| Trading Symbol | WFC.PRP |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of 5.85% Fixed-to-Floating Rate Non-Cumulative Perpetual Class A Preferred Stock, Series Q | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shr, 1/1000th int. per shr of 5.85% Fix-to-Float Non-Cum. Perpetual Class A Pref. Stock, Ser. Q |
| Trading Symbol | WFC.PRQ |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of 6.625% Fixed-to-Floating Rate Non-Cumulative Perpetual Class A Preferred Stock, Series R | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shr, 1/1000th int. per shr of 6.625% Fix-to-Float Non-Cum. Perpetual Class A Pref. Stock, Ser. R |
| Trading Symbol | WFC.PRR |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series T | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series T |
| Trading Symbol | WFC.PRT |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series V | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series V |
| Trading Symbol | WFC.PRV |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series W | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series W |
| Trading Symbol | WFC.PRW |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series X | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series X |
| Trading Symbol | WFC.PRX |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series Y | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series Y |
| Trading Symbol | WFC.PRY |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series Z | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Dep Shares, 1/1000th int. per share of Non-Cumulative Perpetual Class A Preferred Stock, Series Z |
| Trading Symbol | WFC.PRZ |
| Security Exchange Name | NYSE |
| Guarantee of 5.80% Fixed-to-Floating Rate Normal Wachovia Income Trust Securities of Wachovia Capital Trust III | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Guarantee 5.80% Fix-to-Float Normal Wachovia Income Trust Securities of Wachovia Capital Trust III |
| Trading Symbol | WFC/TP |
| Security Exchange Name | NYSE |
| Guarantee of Medium-Term Notes, Series A, due October 30, 2028 of Wells Fargo Finance LLC | |
| Schedule of Capitalization, Equity [Line Items] | |
| Title of 12(b) Security | Guarantee of Medium-Term Notes, Series A, due October 30, 2028 of Wells Fargo Finance LLC |
| Trading Symbol | WFC/28A |
| Security Exchange Name | NYSE |