| Document and Entity Information | May 01, 2020 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | WELLS FARGO & COMPANY/MN |
| Amendment Flag | false |
| Entity Central Index Key | 0000072971 |
| Document Type | 8-K |
| Document Period End Date | May 1, 2020 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-2979 |
| Entity Tax Identification Number | 41-0449260 |
| 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 |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Common Stock, par value $1-2/3 |
| Trading Symbol | WFC |
| A 7.5 Not Cumulative Perpetual Convertible Class A Preferred Stock Series L [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | 7.5% Non-Cumulative Perpetual Convertible Class A Preferred Stock, Series L |
| Trading Symbol | WFC.PRL |
| Not Cumulative Perpetual Class A Preferred Stock Series N [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series N |
| Trading Symbol | WFC.PRN |
| Not Cumulative Perpetual Class A Preferred Stock Series O [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series O |
| Trading Symbol | WFC.PRO |
| Not Cumulative Perpetual Class A Preferred Stock Series P [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series P |
| Trading Symbol | WFC.PRP |
| Depositary Shares Each Representing A 11000th Interest In A Share Of 5.85 Fixed To Floating Rate Not Cumulative Perpetual Class A Preferred Stock Series Q 4 [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | 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 |
| Trading Symbol | WFC.PRQ |
| Depositary Shares Each Representing A 11000th Interest In A Share Of 6.625 Fixed To Floating Rate Not Cumulative Perpetual Class A Preferred Stock Series R 1 [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | 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 |
| Trading Symbol | WFC.PRR |
| Not Cumulative Perpetual Class A Preferred Stock Series T [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series T |
| Trading Symbol | WFC.PRT |
| Not Cumulative Perpetual Class A Preferred Stock Series V [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series V |
| Trading Symbol | WFC.PRV |
| Not Cumulative Perpetual Class A Preferred Stock Series W [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series W |
| Trading Symbol | WFC.PRW |
| Not Cumulative Perpetual Class A Preferred Stock Series X [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series X |
| Trading Symbol | WFC.PRX |
| Depositary Shares Each Representing A 11000th Interest In A Share Of Not Cumulative Perpetual Class A Preferred Stock Series Y 2 [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series Y |
| Trading Symbol | WFC.PRY |
| Depositary Shares Each Representing A 11000th Interest In A Share Of Not Cumulative Perpetual Class A Preferred Stock Series Z 3 [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Depositary Shares, each representing a 1/1000th interest in a share of Non-Cumulative Perpetual Class A Preferred Stock, Series Z |
| Trading Symbol | WFC.PRZ |
| Guaranteeof 5.80 Fixedto Floating Rate Normal Wachovia Income Trust Securitiesof Wachovia Capital Trust III [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Guarantee of 5.80% Fixed-to-Floating Rate Normal Wachovia Income Trust Securities of Wachovia Capital Trust III |
| Trading Symbol | WFC/TP |
| Guaranteeof Medium Term Notes Series Adue October 302028of Wells Fargo Finance LLC [Member] | |
| Document And Entity Information [Line Items] | |
| Security Exchange Name | NYSE |
| Security 12b Title | Guarantee of Medium-Term Notes, Series A, due October 30, 2028 of Wells Fargo Finance LLC |
| Trading Symbol | WFC/28A |
