Statutory Financial Data and Restrictions - Schedule of Statutory Financial Data and Restrictions (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Statutory Accounting Practices [Line Items] | |||
| Statutory net income (loss) | $ 3,095 | $ 2,584 | $ 488 |
| Statutory capital and surplus | 12,705 | 13,083 | |
| Aggregate minimum required statutory capital and surplus | 4,246 | 4,111 | |
| Domestic | |||
| Statutory Accounting Practices [Line Items] | |||
| Statutory net income (loss) | 3,091 | 2,588 | 482 |
| Statutory capital and surplus | 12,229 | 12,471 | |
| Aggregate minimum required statutory capital and surplus | 4,057 | 3,903 | |
| Foreign | |||
| Statutory Accounting Practices [Line Items] | |||
| Statutory net income (loss) | 4 | (4) | $ 6 |
| Statutory capital and surplus | 476 | 612 | |
| Aggregate minimum required statutory capital and surplus | $ 189 | $ 208 | |