Future Contract Benefits - Summary of Discounted and Undiscounted Expected Future Benefit Payments (Group Protection) (Details) - Group Protection - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Undiscounted | ||
| Expected future benefit payments | $ 7,506 | $ 7,368 |
| Discounted | ||
| Expected future benefit payments | $ 5,836 | $ 5,628 |
| X | ||||||||||
- Definition Liability For Future Policy Benefit, Discounted, Befiore Reinsurance No definition available.
|
| X | ||||||||||
- Definition Liability for future policy benefit, expected future policy benefit, discounted, before reinsurance. No definition available.
|
| X | ||||||||||
- Definition Liability For Future Policy Benefit, Undiscounted, Befiore Reinsurance No definition available.
|
| X | ||||||||||
- Definition Amount, before effect of reinsurance, of undiscounted balance for expected future policy benefit and expense component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|