Separate Accounts (Narratives) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
|
| Separate Accounts Disclosure [Abstract] | |||
| Assets Transferred, Other Than Cash, From General Account to Separate Account | $ 0 | $ 0 | |
| Gain (Loss) Recognized on Assets Transferred to Separate Account | $ 0 | $ 0 | |