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DAC, VOBA, DSI, and DFEL (DSI) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Changes in DSI [Roll Forward] |  |  |
Balance as of beginning-of-year | $ 203 | $ 213 | $ 234
Deferrals | 6 | 5 | 7
Amortization, net of interest: |  |  |
Amortization, excluding unlocking, net of interest | (15) | (26) | (20)
Unlocking | 2 |  | (1)
Adjustment related to realized (gains) losses | (2) | 3 | (1)
Adjustment related to unrealized (gains) losses | 21 | 8 | (6)
Balance as of end-of-year | $ 215 | $ 203 | $ 213

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