| Document and Entity Information Document | Oct. 26, 2021 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-32525 |
| Entity Tax Identification Number | 13-3180631 |
| Entity Address, Address Line One | 55 Ameriprise Financial Center |
| Entity Address, City or Town | Minneapolis |
| Entity Address, State or Province | MN |
| Entity Address, Postal Zip Code | 55474 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock (par value $.01 per share) |
| Trading Symbol | AMP |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000820027 |
| Amendment Flag | false |
| Document Period End Date | Oct. 26, 2021 |
| Entity Registrant Name | AMERIPRISE FINANCIAL, INC. |
| City Area Code | 612 |
| Local Phone Number | 671-3131 |
