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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Parent Company Only) - Statement of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
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Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash Flows from Operating Activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ 377 | $ 872 | $ 890 | $ 417 | $ 649 |  | $ 1,061 | $ 614 | $ 825 | $ 2,556 | $ 3,149 | [1],[2] | $ 3,417 | [1],[2]
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  |  |  | 4,685 | 4,407 | [2] | 3,325 | [2]
Available-for-Sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sales |  |  |  |  |  |  |  |  |  |  | 734 | 1,306 | [2] | 556 | [2]
Maturities, sinking fund payments and calls |  |  |  |  |  |  |  |  |  |  | 9,230 | 7,621 | [2] | 11,501 | [2]
Purchases |  |  |  |  |  |  |  |  |  |  | (19,694) | (22,034) | [2] | (14,718) | [2]
Purchase of other investments |  |  |  |  |  |  |  |  |  |  | (116) | (99) | [2] | (97) | [2]
Purchase of land, buildings, equipment and software |  |  |  |  |  |  |  |  |  |  | (184) | (182) | [2] | (120) | [2]
Other, net |  |  |  |  |  |  |  |  |  |  | (180) | (31) | [2] | (10) | [2]
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  | (9,262) | (13,583) | [2] | (4,380) | [2]
Cash Flows from Financing Activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid to shareholders |  |  |  |  |  |  |  |  |  |  | (550) | (534) | [2] | (511) | [2]
Repurchase of common shares |  |  |  |  |  |  |  |  |  |  | (2,127) | (1,978) | [2] | (2,030) | [2]
Repayments of long-term debt |  |  |  |  |  |  |  |  |  |  | (760) | (510) | [2] | (9) | [2]
Exercise of stock options |  |  |  |  |  |  |  |  |  |  | 0 | 0 | [2] | 1 | [2]
Other, net |  |  |  |  |  |  |  |  |  |  | 1 | 2 | [2] | (14) | [2]
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  | 4,411 | 8,430 | [2] | 1,723 | [2]
Net increase (decrease) in cash and cash equivalents, including amounts restricted |  |  |  |  |  |  |  |  |  |  | (135) | (814) | [2] | 666 | [2]
Cash and cash equivalents, including amounts restricted at beginning of period | [2] |  |  |  | 8,755 |  |  |  |  | 9,569 | 8,755 | 9,569 |  | 8,903 |
Cash and cash equivalents, including amounts restricted at end of period |  | 8,620 |  |  |  | 8,755 | [2] |  |  |  | 8,620 | 8,755 | [2] | 9,569 | [2]
Supplemental Disclosures: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income taxes paid, net |  |  |  |  |  |  |  |  |  |  | 1,036 | 500 | [2] | 986 | [2]
Ameriprise Financial, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash Flows from Operating Activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  | 2,556 | 3,149 | [3] | 3,417 | [4]
Equity in earnings of subsidiaries |  |  |  |  |  |  |  |  |  |  | (3,141) | (3,647) | [3] | (3,907) | [3]
Dividends received from subsidiaries |  |  |  |  |  |  |  |  |  |  | 3,025 | 2,512 | [4] | 4,027 | [4]
Other operating activities, primarily with subsidiaries |  |  |  |  |  |  |  |  |  |  | 453 | 226 | [4] | 343 | [4]
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  |  |  | 2,893 | 2,240 | [4] | 3,880 | [4]
Available-for-Sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sales |  |  |  |  |  |  |  |  |  |  | 4 | 0 | [4] | 0 | [4]
Maturities, sinking fund payments and calls |  |  |  |  |  |  |  |  |  |  | 43 | 153 | [4] | 93 | [4]
Purchases |  |  |  |  |  |  |  |  |  |  | (38) | (124) | [4] | (82) | [4]
Proceeds from sale of other investments |  |  |  |  |  |  |  |  |  |  | 0 | 7 | [4] | 1 | [4]
Purchase of other investments |  |  |  |  |  |  |  |  |  |  | (10) | (1) | [4] | (16) | [4]
Proceeds from sale of land, buildings, equipment and software |  |  |  |  |  |  |  |  |  |  | 0 | 0 | [4] | 1 | [4]
Purchase of land, buildings, equipment and software |  |  |  |  |  |  |  |  |  |  | (87) | (70) | [4] | (28) | [4]
Contributions to subsidiaries |  |  |  |  |  |  |  |  |  |  | (324) | (743) | [4] | (1,291) | [4]
Return of capital from subsidiaries |  |  |  |  |  |  |  |  |  |  | 0 | 207 | [4] | 39 | [4]
Repayment of loans from subsidiaries |  |  |  |  |  |  |  |  |  |  | 1,992 | 1,960 | [4] | 2,701 | [4]
Issuance of loans to subsidiaries |  |  |  |  |  |  |  |  |  |  | (2,232) | (1,726) | [4] | (2,937) | [4]
Other, net |  |  |  |  |  |  |  |  |  |  | 2 | 0 | [4] | 0 | [4]
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  | (650) | (337) | [4] | (1,519) | [4]
Cash Flows from Financing Activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid to shareholders |  |  |  |  |  |  |  |  |  |  | (550) | (534) | [4] | (511) | [4]
Repurchase of common shares |  |  |  |  |  |  |  |  |  |  | (2,127) | (1,978) | [4] | (2,030) | [4]
Issuance of long-term debt, net of issuance costs |  |  |  |  |  |  |  |  |  |  | 1,335 | 495 | [4] | 4 | [4]
Repayments of long-term debt |  |  |  |  |  |  |  |  |  |  | (760) | (510) | [4] | (9) | [4]
Borrowings from subsidiaries |  |  |  |  |  |  |  |  |  |  | 1,003 | 1,210 | [4] | 244 | [4]
Repayments of borrowings from subsidiaries |  |  |  |  |  |  |  |  |  |  | (951) | (1,034) | [4] | (403) | [4]
Exercise of stock options |  |  |  |  |  |  |  |  |  |  | 0 | 0 | [4] | 1 | [4]
Other, net |  |  |  |  |  |  |  |  |  |  | (35) | (18) | [4] | 99 | [4]
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  | (2,085) | (2,369) | [4] | (2,605) | [4]
Net increase (decrease) in cash and cash equivalents, including amounts restricted |  |  |  |  |  |  |  |  |  |  | 158 | (466) | [4] | (244) | [4]
Cash and cash equivalents, including amounts restricted at beginning of period | [4] |  |  |  | $ 361 |  |  |  |  | $ 827 | 361 | 827 |  | 1,071 |
Cash and cash equivalents, including amounts restricted at end of period |  | $ 519 |  |  |  | $ 361 | [4] |  |  |  | 519 | 361 | [4] | 827 | [4]
Supplemental Disclosures: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest paid on debt |  |  |  |  |  |  |  |  |  |  | 129 | 98 | [4] | 95 | [4]
Income taxes paid, net |  |  |  |  |  |  |  |  |  |  | 233 | 91 | [4] | 173 | [4]
Non-cash dividends from subsidiaries |  |  |  |  |  |  |  |  |  |  | 77 | 0 | [4] | 0 | [4]
Non-cash contributions to subsidiaries |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | [4] | $ 52 | [4]
[1] | Certain prior period amounts have been restated. See Note 3 for more information.
[2] | Certain prior period amounts have been restated. See Note 3 for more information.
[3] | Certain prior period amounts have been restated. See Note 1 for more information.
[4] | Certain prior period amounts have been restated. See Note 1 for more information.

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