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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

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