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Investments - Net Realized Gains and Losses on Available-for-Sale Securities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Investments
Total		$ 1
Realized gains or losses on Available-for-Sale securities (less than)		1
Ameriprise Financial
Investments
Gross realized investment gains	$ 10	0
Gross realized investment losses	(5)	0
Total	5	0
Realized gains or losses on Available-for-Sale securities (less than)	$ 5	$ 0

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- Definition

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Topic 320
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-Section 50
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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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