Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Operating Loss Carryforwards [Line Items] | ||||
| Effective tax rates on income from continuing operations (as a percent) | 25.00% | 25.90% | 24.00% | 26.40% |
| U.S. federal income tax at statutory rate | 21.00% | 21.00% | 21.00% | 21.00% |
| Other jurisdictions | ||||
| Operating Loss Carryforwards [Line Items] | ||||
| Deferred tax asset, increase (decrease) in valuation allowance recognized | $ (7) | |||
| Other | ||||
| Operating Loss Carryforwards [Line Items] | ||||
| Deferred tax asset, increase (decrease) in valuation allowance recognized | 88 | |||
| U.S. And Non-U.S. Life Insurance Companies, Available-for-Sale Portfolio | ||||
| Operating Loss Carryforwards [Line Items] | ||||
| Valuation allowance | $ 249 | 249 | ||
| Non U.S.. Life Insurance Companies, Available-for-Sale Portfolio | ||||
| Operating Loss Carryforwards [Line Items] | ||||
| Deferred tax asset, increase (decrease) in valuation allowance recognized | $ 49 | |||