Affordable Care Act - Schedule of Receivables (Payables) Related to the Affordable Care Act Programs (Details) - USD ($) $ in Millions |
Mar. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Affordable Care Act [Abstract] | ||
| Risk adjustment receivable | $ 2,088 | $ 1,434 |
| Risk adjustment payable | (2,263) | (1,605) |
| Minimum medical loss ratio | (821) | (688) |
| Cost sharing reduction receivable | 18 | 305 |
| Cost sharing reduction payable | $ (79) | $ (74) |