Segment Information - Narrative (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2023
USD ($)
segment
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
|
| Segment Reporting Information [Line Items] | |||
| Net realized gains, adjusted revenues | $ (2,536) | $ (195) | $ 1,705 |
| Net realized gains, adjusted net investment income | (227) | (244) | (156) |
| Net realized gains, adjusted interest expense | (1) | (13) | |
| Net realized gains, adjusted pre-tax income (loss) | (2,496) | (173) | $ 1,744 |
| Net impact from elimination of international reporting lag, adjusted revenues | 4 | 978 | |
| Net impact from elimination of international reporting lag, net investment income | 1 | 41 | |
| Net impact from elimination of international reporting lag, adjusted pre-tax income (loss) | $ 12 | $ 127 | |
| General Insurance | |||
| Segment Reporting Information [Line Items] | |||
| Number of operating segments | segment | 2 | ||
| Life and Retirement | |||
| Segment Reporting Information [Line Items] | |||
| Number of operating segments | segment | 4 | ||