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Variable Interest Entities - Changes in Level 3 Assets (Details) - Consolidated investment entities - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Common stocks |  |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |  |
Balance, beginning | $ 0 | $ 0 | $ 0
Total gains (losses) included in Net income | (1) |  | 0
Purchases | 0 |  | 0
Sales | (1) |  | 0
Settlements | 0 |  | 0
Transfers into Level 3 | 4 |  | 2
Transfers out of Level 3 | (1) |  | (2)
Balance, ending | 1 | 0 | 0
Changes in unrealized gains (losses) in net income relating to assets held at end of period | 0 |  | 0
Syndicated loans |  |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |  |
Balance, beginning | 63 | 125 | 64
Total gains (losses) included in Net income | (7) | (4) | (11)
Purchases | 168 | 45 | 69
Sales | 0 | (10) | (4)
Settlements | (5) | (16) | (8)
Transfers into Level 3 | 103 | 122 | 218
Transfers out of Level 3 | (204) | (199) | (203)
Balance, ending | 118 | 63 | 125
Changes in unrealized gains (losses) in net income relating to assets held at end of period | 0 | (1) | (10)
Other assets |  |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |  |
Balance, beginning | $ 0 | 1 | 3
Total gains (losses) included in Net income |  | 0 | 0
Purchases |  | 0 | 0
Sales |  | 0 | 0
Settlements |  | 0 | 0
Transfers into Level 3 |  | 0 | 1
Transfers out of Level 3 |  | (1) | (3)
Balance, ending |  | 0 | 1
Changes in unrealized gains (losses) in net income relating to assets held at end of period |  | $ 0 | $ 0

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