Policyholder Contract Deposits and Other Policyholder Funds - Unearned revenue liability (Details) - USD ($) $ in Millions |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Other Policyholder Funds Rollforward [Roll Forward] | |||
| Balance, beginning of year | $ 1,969 | $ 1,906 | |
| Revenue deferred | 146 | 141 | |
| Amortization | (87) | (90) | |
| Balance, end of period | 2,028 | 1,957 | |
| Other reconciling items | 987 | 975 | |
| Other policyholder funds | 3,015 | 2,932 | $ 2,959 |
| Life Insurance | |||
| Other Policyholder Funds Rollforward [Roll Forward] | |||
| Balance, beginning of year | 1,876 | 1,821 | |
| Revenue deferred | 128 | 124 | |
| Amortization | (81) | (84) | |
| Balance, end of period | 1,923 | 1,861 | |
| Institutional Markets | |||
| Other Policyholder Funds Rollforward [Roll Forward] | |||
| Balance, beginning of year | 17 | 1 | |
| Revenue deferred | 18 | 17 | |
| Amortization | (1) | 0 | |
| Balance, end of period | 34 | 18 | |
| Corporate & Other | |||
| Other Policyholder Funds Rollforward [Roll Forward] | |||
| Balance, beginning of year | 76 | 84 | |
| Revenue deferred | 0 | 0 | |
| Amortization | (5) | (6) | |
| Balance, end of period | $ 71 | $ 78 | |