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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, 2025 | Mar. 31, 2024
Available-for-Sale securities |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning | $ 747 | $ 470
Total gains (losses) included in Net income | 1 | 0
Total gains (losses) included in Other comprehensive income (loss) | 9 | (3)
Purchases | 74 | 77
Settlements | (33) | (13)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | (38) |
Balance, ending | 760 | 531
Changes in unrealized gains (losses) included 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 | 9 | (3)
Corporate debt securities |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning | 583 | 469
Total gains (losses) included in Net income | 1 | 0
Total gains (losses) included in Other comprehensive income (loss) | 9 | (3)
Purchases | 49 | 52
Settlements | (13) | (13)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 |
Balance, ending | 629 | 505
Changes in unrealized gains (losses) included 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 | 9 | (3)
Residential mortgage backed securities |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning | 38 | 0
Total gains (losses) included in Net income | 0 | 0
Total gains (losses) included in Other comprehensive income (loss) | 0 | 0
Purchases | 25 | 25
Settlements | 0 | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | (38) |
Balance, ending | 25 | 25
Changes in unrealized gains (losses) included 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
Asset backed securities |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning | 126 | 1
Total gains (losses) included in Net income | 0 | 0
Total gains (losses) included in Other comprehensive income (loss) | 0 | 0
Purchases | 0 | 0
Settlements | (20) | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 |
Balance, ending | 106 | 1
Changes in unrealized gains (losses) included 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
Fixed deferred indexed annuities ceded embedded derivatives |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |
Balance, beginning | 55 | 51
Total gains (losses) included in Net income | 0 | 4
Total gains (losses) included in Other comprehensive income (loss) | 0 | 0
Purchases | 0 | 0
Settlements | (2) | (1)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 |
Balance, ending | 53 | 54
Changes in unrealized gains (losses) included 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

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 102 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-102 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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