v3.25.2
N-4
Jul. 10, 2025
Prospectus:  
Document Type N-4
Entity Registrant Name JEFFERSON NATIONAL LIFE ANNUITY ACCOUNT G
Entity Central Index Key 0001005336
Entity Investment Company Type N-4
Document Period End Date Jul. 10, 2025
Amendment Flag false
Monument Advisor Contract No. JNL-2300  
Prospectus:  
Item 17. Portfolio Companies (N-4) [Text Block] The following underlying mutual fund is offered as an investment option under the contract or policy. Effective July 28, 2025, the name of the investment option is updated as indicated below:
CURRENT NAME
UPDATED NAME
Neuberger Berman Advisers Management Trust - Sustainable
Equity Portfolio: Class I Shares
Neuberger Berman Advisers Management Trust - Quality Equity
Portfolio: Class I Shares
Monument Advisor Contract No. JNL-2300 | NeubergerBermanAdvisersManagementTrustQualityEquityPortfolioClassISharesMember  
Prospectus:  
Portfolio Company Name [Text Block] Neuberger Berman Advisers Management Trust - Quality Equity Portfolio: Class I Shares