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Investments - Summary (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Summary of investments
Allowance for credit losses	$ 57	$ 63	$ 61	$ 59
Ameriprise Financial
Summary of investments
Available-for-Sale securities, at fair value	51,695	51,562
Mortgage loans (allowance for credit losses: 2024, $14; 2023, $14)	2,233	2,118
Policy loans	947	912
Other investments (allowance for credit losses: 2024, $6; 2023, $6)	990	897
Total	55,865	55,489
Ameriprise Financial | Mortgage loans
Summary of investments
Allowance for credit losses	14	14
Ameriprise Financial | Other investments
Summary of investments
Allowance for credit losses	$ 6	$ 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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Amount of investments classified as other.

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