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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Parent Company Only) - Balance Sheet - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
Dec. 31, 2024
Dec. 31, 2023
Accumulated depreciation $ 2,000 $ 1,900
Common shares, par value (in dollars per share) $ 0.01 $ 0.01
Common shares, shares authorized (in shares) 1,250,000,000 1,250,000,000
Common shares, shares issued (in shares) 337,729,050 336,780,893
Treasury shares (in shares) 241,562,357 236,607,681
Ameriprise Financial, Inc.    
Accumulated depreciation $ 779 $ 791
Common shares, par value (in dollars per share) $ 0.01 $ 0.01
Common shares, shares authorized (in shares) 1,250,000,000 1,250,000,000
Common shares, shares issued (in shares) 337,729,050 336,780,893
Treasury shares (in shares) 241,562,357 236,607,681