Fair Values of Assets and Liabilities - Changes in Level 3 Liabilities (Details) - Ameriprise Financial - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Changes in Level 3 liabilities measured at fair value on a recurring basis
Net increase (decrease) to pretax income from adjustment for nonperformance risk on the fair value of embedded derivatives	$ 0	$ 57
Policyholder account balances, future policy benefits and claims embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	1,933	646
Total (gains) losses included in Net income	674	302
Other comprehensive income (loss)		0
Issues	43	36
Settlements	(90)	(27)
Balance, ending	2,560	957
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	670	301
Fixed deferred indexed annuities embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	49	44
Total (gains) losses included in Net income	4	1
Other comprehensive income (loss)		0
Issues	0	0
Settlements	(1)	(1)
Balance, ending	52	44
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	0	0
IUL embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	873	739
Total (gains) losses included in Net income	42	38
Other comprehensive income (loss)		0
Issues	6	24
Settlements	(33)	(30)
Balance, ending	888	771
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	42	38
Structured variable annuity embedded derivatives
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	1,011	(137)
Total (gains) losses included in Net income	628	263
Other comprehensive income (loss)		0
Issues	37	12
Settlements	(56)	4
Balance, ending	1,620	142
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	628	263
Other liabilities
Changes in Level 3 liabilities measured at fair value on a recurring basis
Balance, beginning	76	62
Total (gains) losses included in Net income	0	0
Other comprehensive income (loss)		1
Issues	3	14
Settlements	(8)	(7)
Balance, ending	71	70
Changes in unrealized (gains) losses in net income relating to liabilities held at end of period	$ 0	$ 0

Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 15
-Name Accounting Standards Codification
-Publisher FASB
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Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3).

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Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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