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Investments - Summary of Net Investment Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Summary of Net investment income
Net investment income	$ 921	$ 811	$ 1,822	$ 1,509
Ameriprise Financial
Summary of Net investment income
Investment income on fixed maturities	768	645	1,522	1,216
Net realized gains (losses)	(4)	6	(3)	10
Other	104	115	205	196
Consolidated investment entities
Summary of Net investment income
Net investment income	$ 53	$ 45	$ 98	$ 87

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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Includes realized and unrealized gain (loss) on investments.

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Amount of realized gain (loss) on investment.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(a))
-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

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