Financial Instruments - Derivative Activities Table (Details) - Investment Segment - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Equity contracts | ||
| Primary underlying risk: | ||
| Long Notional Exposure | $ 1,332 | $ 1,499 |
| Short Notional Exposure | 2,532 | 2,386 |
| Commodity contracts | ||
| Primary underlying risk: | ||
| Short Notional Exposure | $ 427 | $ 346 |