Fair Values of Assets and Liabilities - Changes in Level 3 Assets (Details) - RiverSource Life - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Available-for-Sale Securities
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning	$ 694	$ 721	$ 787	$ 1,170
Total gains (losses) included in net income	0	(1)	(1)	(1)
Total gains (losses) included in other comprehensive income (loss)	(16)	(3)	(60)	(3)
Purchases	570	9	623	76
Issues		0		0
Settlements	(298)	(64)	(369)	(131)
Transfers into level 3		170		170
Transfers out of Level 3			(30)	(449)
Balance, ending	950	832	950	832
Changes in unrealized gains (losses) in net income relating to assets held at end of period			(1)
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period	(23)	(4)	(55)	(1)
Corporate debt securities
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning	458	385	496	766
Total gains (losses) included in net income	0	(1)	(1)	(1)
Total gains (losses) included in other comprehensive income (loss)	(13)	(3)	(46)	(6)
Purchases	6	9	29	76
Issues		0		0
Settlements	(57)	(44)	(84)	(73)
Transfers into level 3		168		168
Transfers out of Level 3			0	(416)
Balance, ending	394	514	394	514
Changes in unrealized gains (losses) in net income relating to assets held at end of period			(1)
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period	(13)	(4)	(45)
Commercial mortgage backed securities
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning			0
Total gains (losses) included in net income			0
Total gains (losses) included in other comprehensive income (loss)			0
Purchases			30
Settlements			0
Transfers out of Level 3			(30)
Balance, ending	0		0
Changes in unrealized gains (losses) in net income relating to assets held at end of period			0
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period			0
Residential mortgage backed securities
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning				9
Total gains (losses) included in net income				0
Total gains (losses) included in other comprehensive income (loss)				0
Purchases				0
Issues				0
Settlements				0
Transfers into level 3				0
Transfers out of Level 3				(9)
Balance, ending		0		0
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period				0
Asset backed securities
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning	236	336	291	395
Total gains (losses) included in net income	0	0	0	0
Total gains (losses) included in other comprehensive income (loss)	(3)	0	(14)	3
Purchases	564	0	564	0
Issues		0		0
Settlements	(241)	(20)	(285)	(58)
Transfers into level 3		2		2
Transfers out of Level 3			0	(24)
Balance, ending	556	318	556	318
Changes in unrealized gains (losses) in net income relating to assets held at end of period			0
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period	(10)	0	(10)	3
Fixed deferred indexed annuities ceded embedded derivatives
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning	49	0	59
Total gains (losses) included in net income	(2)		(10)	0
Total gains (losses) included in other comprehensive income (loss)	0	0	0
Purchases	0	0	0
Issues		57
Settlements	0	(1)	(2)
Transfers into level 3		0
Transfers out of Level 3			0	0
Balance, ending	47	56	47	$ 56
Changes in unrealized gains (losses) in net income relating to assets held at end of period			0
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period	$ 0	$ 0	$ 0

Amount of unrealized gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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-Section 50
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Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

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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 asset measured at fair value on recurring basis using unobservable input (level 3).

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

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Amount of issuances of financial instrument classified as an asset 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 purchases of financial instrument classified as an asset 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 settlement of financial instrument classified as an asset 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 transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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

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