Combination Roll-up and Highest Quarterly Anniversary Value GMDB [Member] Combination Roll-up and Highest Quarterly Anniversary Value GMDB Flex GMWB (Joint) - Value [Member] Flex GMWB (Joint) - Value Flex Net GMWB (Joint) [Member] Flex Net GMWB (Joint) Flex DB - Value [Member] Flex DB - Value Flex Net GMWB (Joint) - Value [Member] Flex Net GMWB (Joint) - Value Highest Quarterly Anniversary Value GMDB [Member] Highest Quarterly Anniversary Value GMDB Flex GMWB (Single) - Value [Member] Flex GMWB (Single) - Value Flex DB [Member] Flex DB MarketGuard Stretch [Member] MarketGuard Stretch Flex Net GMWB (Single) [Member] Flex Net GMWB (Single) Flex Strategic Income GMWB (Single) [Member] Flex Strategic Income GMWB (Single) Flex GMWB (Single) - Core [Member] Flex GMWB (Single) - Core Flex Net GMWB (Joint) - Core [Member] Flex Net GMWB (Joint) - Core Flex GMWB (Joint) - Plus [Member] Flex GMWB (Joint) - Plus Flex Net GMWB (Single) - Value [Member] Flex Net GMWB (Single) - Value C000210231 [Member] C000210231 AutoGuard [Member] AutoGuard Flex Net GMWB (Single) - Core [Member] Flex Net GMWB (Single) - Core Flex Strategic Income GMWB (Joint) [Member] Flex Strategic Income GMWB (Joint) Flex GMWB (Single) [Member] Flex GMWB (Single) Flex GMWB (Single) - Plus [Member] Flex GMWB (Single) - Plus Flex GMWB (Joint) - Core [Member] Flex GMWB (Joint) - Core Flex DB - Core [Member] Flex DB - Core Flex GMWB (Joint) [Member] Flex GMWB (Joint) Roll-up GMDB [Member] Roll-up GMDB