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Fair Values of Assets and Liabilities - Changes in Level 3 Assets (Details) - Ameriprise Financial - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Available-for-Sale securities |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning | $ 411 | $ 544
Total gains (losses) included in Net income |  | 0
Total gains (losses) included in Other comprehensive income (loss) | 8 | (22)
Purchases | 55 | 135
Settlements | (29) | (6)
Transfers out of Level 3 |  | (35)
Balance, ending | 445 | 616
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period | 8 | (21)
Corporate debt securities |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning | 405 | 502
Total gains (losses) included in Net income |  | 0
Total gains (losses) included in Other comprehensive income (loss) | 8 | (22)
Purchases | 55 | 23
Settlements | (28) | (6)
Transfers out of Level 3 |  | 0
Balance, ending | 440 | 497
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period | 8 | (21)
Commercial mortgage backed securities |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning |  | 35
Total gains (losses) included in Net income |  | 0
Total gains (losses) included in Other comprehensive income (loss) |  | 0
Purchases |  | 112
Settlements |  | 0
Transfers out of Level 3 |  | (35)
Balance, ending |  | 112
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 | 6 | 7
Total gains (losses) included in Net income |  | 0
Total gains (losses) included in Other comprehensive income (loss) | 0 | 0
Purchases | 0 | 0
Settlements | (1) | 0
Transfers out of Level 3 |  | 0
Balance, ending | 5 | 7
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period | 0 | 0
Fixed deferred indexed annuities ceded embedded derivatives |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning | 48 | 59
Total gains (losses) included in Net income |  | (3)
Total gains (losses) included in Other comprehensive income (loss) | 0 | 0
Purchases | 0 | 0
Settlements | 0 | (1)
Transfers out of Level 3 |  | 0
Balance, ending | 48 | 55
Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period | $ 0 | $ 0

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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