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Investments - Summary (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2023
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Summary of investments |  |  |  |
Allowance for credit losses | $ 47 | $ 54 | $ 57 | $ 63
Ameriprise Financial |  |  |  |
Summary of investments |  |  |  |
Available-for-Sale securities, at fair value | 53,165 | 52,153 |  |
Mortgage loans (allowance for credit losses: 2025, $15; 2024, $14) | 2,506 | 2,354 |  |
Policy loans | 1,019 | 982 |  |
Other investments (allowance for credit losses: 2025, $6; 2024, $6) | 934 | 934 |  |
Total | 57,624 | 56,423 |  |
Ameriprise Financial | Mortgage loans |  |  |  |
Summary of investments |  |  |  |
Allowance for credit losses | 15 | 14 |  |
Ameriprise Financial | Other investments |  |  |  |
Summary of investments |  |  |  |
Allowance for credit losses | $ 6 | $ 6 |  |

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- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + Details
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- Definition Amount before allowance of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums over and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(e)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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