Income Taxes - Basis of Presentation (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Sep. 19, 2022 |
|
| Valuation Allowance [Line Items] | ||
| Deferred tax asset, increase (decrease) in valuation allowance recognized | $ (405) | |
| Corebridge Financial Inc | ||
| Valuation Allowance [Line Items] | ||
| Ownership (as a percent) | 52.20% | |
| Corebridge Financial Inc | Maximum | ||
| Valuation Allowance [Line Items] | ||
| Ownership (as a percent) | 80.00% |