| Item | Type | Period | Balance | Description | | Insurance | text | | | |
| Separate Account, Liability | text | | | Disclosure of information about separate account liability, including, but not limited to change in liability and related cash surrender value. |
| Product Or Service Axis | | | | |
| Separate Account, Liability | text | | | Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. |
| Products And Services Domain | | | | |
| Separate Account, Liability, Ending Balance | $ | instant | credit | Amount of liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account. |
| Variable Annuity | | duration | | Contract providing periodic payment that varies according to investment experience of separate account in which amount paid to provide for annuity is allocated. |
| Long-Duration Insurance, Other | | duration | | Contract providing long-duration insurance coverage, classified as other. |
| Variable Universal Life | | duration | | Contract providing life insurance that combines both adjustability of premium, coverage and investment features, and variability of benefit payable upon death or surrender from investment experience of separate account supporting contract. |