| Item | Type | Period | Balance | Description | | Insurance | text | | | |
| Market Risk Benefit | text | | | Disclosure of information about contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. |
| Market Risk Benefit | 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. |
| Product Or Service Axis | | | | |
| Market Risk Benefit, Asset, Amount | $ | instant | debit | Amount of asset position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. |
| Market Risk Benefit, Liability, Amount | $ | instant | credit | Amount of liability position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. |
| Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk, Total | $ | instant | credit | Amount, before effect of reinsurance and after accumulated increase (decrease) in instrument-specific credit risk, of contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. |
| Products And Services Domain | | | | |
| 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. |
| Indexed Annuity | | duration | | Contract providing interest payment that varies according to index. |