v3.26.1
Goldman Sachs Buffered S&P 500 Fund - Mar-Sep N-1A Cover
Dec. 31, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name Goldman Sachs Variable Insurance Trust
Entity Central Index Key 0001046292
Entity Investment Company Type N-1A
Document Period End Date Dec. 31, 2025
Prospectus Date Apr. 30, 2026