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Investments - Summary (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Summary of investments
Allowance for credit losses	$ 48	$ 54	$ 56	$ 63
Ameriprise Financial
Summary of investments
Available-for-Sale securities, at fair value	52,574	52,153
Mortgage loans (allowance for credit losses: 2025, $14; 2024, $14)	2,650	2,354
Policy loans	1,043	982
Other investments (allowance for credit losses: 2025, $7; 2024, $6)	911	934
Total	57,178	56,423
Ameriprise Financial | Mortgage loans
Summary of investments
Allowance for credit losses	14	14
Ameriprise Financial | Other investments
Summary of investments
Allowance for credit losses	$ 7	$ 6

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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).

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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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.

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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