v3.26.1
Shareholder Report
 6 Months Ended
Jun. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
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 Jun. 30, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000237874  
Shareholder Report [Line Items]  
Fund Name Goldman Sachs Variable Insurance Trust — Buffered S&P 500 Fund — Mar/Sep
Class Name Institutional Class
No Trading Symbol [Flag] true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Goldman Sachs Buffered S&P 500 Fund — Mar/Sep (the "Fund") for the period of January 1, 2026 to June 30, 2026 (the "Period").
Additional Information [Text Block] You can find additional information about the Fund at am.gs.com or dfinview.com/GoldmanSachs. You can also request this information by contacting us at 1-800-621-2550.
Additional Information Phone Number 1-800-621-2550
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">am.gs.com</span>
Expenses [Text Block]

What were the Fund costs for the Period?

Based on a hypothetical $10,000 investment.

Table Summary
Class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional
$35
0.69%Footnote Reference*
Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.69% [1]
AssetsNet $ 9,555,033
Holdings Count | Holding 21
Advisory Fees Paid, Amount $ 23,644
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of June 30, 2026)

Table Summary
Total Net Assets as of Period End
$9,555,033
# of Portfolio Holdings as of Period End
21
Portfolio Turnover Rate for the Period
0%
Total Net Advisory Fees Paid for the Period
$23,644
Holdings [Text Block]

Asset Class Exposure (%)*

Table Summary
Header
Gross
Long
Short
Net
Developed Equity
Gross
Long
Short
Net
 Call Options
59.0
-
59.0
-59.0
 Put Options
20.9
13.6
7.2
6.4
Cash and Short-term Investments
90.9
73.5
17.4
56.1
US Equity
104.8
104.8
-
104.8

* Asset class exposure includes the impact of derivatives. "Gross Exposure" represents the sum of the absolute value of long and short notional contract values in U.S. dollars of the Fund's positions (for a given asset class), divided by the Fund's net assets exposure within each asset class. "Net Exposure" represents the net exposure within the Fund to a given asset class, calculated as the difference between long and short exposures. The exposure of option contracts is delta-adjusted. Cash and Short-term Investments include investment companies and U.S. Treasury Bills.
Updated Prospectus Phone Number 1-800-621-2550
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">dfinview.com/GoldmanSachs</span>
C000237873  
Shareholder Report [Line Items]  
Fund Name Goldman Sachs Variable Insurance Trust — Buffered S&P 500 Fund — Mar/Sep
Class Name Service Class
No Trading Symbol [Flag] true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Goldman Sachs Buffered S&P 500 Fund — Mar/Sep (the "Fund") for the period of January 1, 2026 to June 30, 2026 (the "Period").
Additional Information [Text Block] You can find additional information about the Fund at am.gs.com or dfinview.com/GoldmanSachs. You can also request this information by contacting us at 1-800-621-2550.
Additional Information Phone Number 1-800-621-2550
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">am.gs.com</span>
Expenses [Text Block]

What were the Fund costs for the Period?

Based on a hypothetical $10,000 investment.

Table Summary
Class
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service
$48
0.94%Footnote Reference*
Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 48
Expense Ratio, Percent 0.94% [2]
AssetsNet $ 9,555,033
Holdings Count | Holding 21
Advisory Fees Paid, Amount $ 23,644
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of June 30, 2026)

Table Summary
Total Net Assets as of Period End
$9,555,033
# of Portfolio Holdings as of Period End
21
Portfolio Turnover Rate for the Period
0%
Total Net Advisory Fees Paid for the Period
$23,644
Holdings [Text Block]

Asset Class Exposure (%)*

Table Summary
Header
Gross
Long
Short
Net
Developed Equity
Gross
Long
Short
Net
 Call Options
59.0
-
59.0
-59.0
 Put Options
20.9
13.6
7.2
6.4
Cash and Short-term Investments
90.9
73.5
17.4
56.1
US Equity
104.8
104.8
-
104.8

* Asset class exposure includes the impact of derivatives. "Gross Exposure" represents the sum of the absolute value of long and short notional contract values in U.S. dollars of the Fund's positions (for a given asset class), divided by the Fund's net assets exposure within each asset class. "Net Exposure" represents the net exposure within the Fund to a given asset class, calculated as the difference between long and short exposures. The exposure of option contracts is delta-adjusted. Cash and Short-term Investments include investment companies and U.S. Treasury Bills.
Updated Prospectus Phone Number 1-800-621-2550
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">dfinview.com/GoldmanSachs</span>
[1] Annualized.
[2] Annualized.