Schedule V (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Allowance for premiums and insurances balances receivable | |||
| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Balance, Beginning of year | $ 169 | $ 185 | $ 205 |
| Charged to Costs and Expenses | (7) | 0 | (15) |
| Write Offs | (29) | (15) | (2) |
| Reclassified to Assets Held for Sale | 0 | 0 | 0 |
| Other Changes | 6 | (1) | (3) |
| Balance, End of year | 139 | 169 | 185 |
| Federal and foreign valuation allowance for deferred tax assets | |||
| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Balance, Beginning of year | 4,246 | 1,987 | 1,330 |
| Charged to Costs and Expenses | (357) | (25) | 718 |
| Write Offs | 0 | 0 | 0 |
| Reclassified to Assets Held for Sale | (82) | 0 | 0 |
| Other Changes | (691) | 2,284 | (61) |
| Balance, End of year | $ 3,116 | $ 4,246 | $ 1,987 |