Statutory Information and Restrictions - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Insurance [Abstract] | |||
| Extraordinary dividend to LNC in the form of fixed maturity AFS securities, mortgage loans on real estate and accrued investment income | $ 0 | $ 929 | $ 0 |
| RBC ratio, low end | 75.00% | ||
| RBC ratio, high end | 100.00% | ||
| Indiana statutory limitation as a percentage of the insurer contract holder surplus | 10.00% | ||
| New York statutory limitation as a percentage of the insurer contract holder surplus | 10.00% | ||
| Statutory accounting practices, statutory amount available for dividend payments | $ 800 | ||