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Investments - Schedule of Payment Status of Mortgage Loans (Details) - Mortgage loans - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | $ 889 |
Allowance | (10) |
Total mortgage loans | 879 |
Commercial |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 628 | $ 735
Allowance | (9) |
Total mortgage loans | 619 |
Residential |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 261 |
Allowance | (1) |
Total mortgage loans | 260 |
Less than 90 days past due |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 2 |
Less than 90 days past due | Commercial |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 0 |
Less than 90 days past due | Residential |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 2 |
90 days or greater past due |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 2 |
90 days or greater past due | Commercial |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 0 |
90 days or greater past due | Residential |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 2 |
Total past due before allowance |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 4 |
Total past due before allowance | Commercial |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 0 |
Total past due before allowance | Residential |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 4 |
Current before allowance |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 885 |
Current before allowance | Commercial |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 628 |
Current before allowance | Residential |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | $ 257 |

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