Shareholder Fees	Apr. 29, 2026 USD ($)
Baillie Gifford China Equities Fund - Institutional & K Class Prospectus \| Baillie Gifford China Equities Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	$ 0
Baillie Gifford China Equities Fund - Institutional & K Class Prospectus \| Baillie Gifford China Equities Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Emerging Markets Equities Fund - Institutional & K Class Prospectus \| Baillie Gifford Emerging Markets Equities Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Emerging Markets Equities Fund - Institutional & K Class Prospectus \| Baillie Gifford Emerging Markets Equities Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Emerging Markets ex China Fund - Institutional & K Class Prospectus \| Baillie Gifford Emerging Markets ex China Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Emerging Markets ex China Fund - Institutional & K Class Prospectus \| Baillie Gifford Emerging Markets ex China Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Global Alpha Equities Fund - Institutional & K Class Prospectus \| Baillie Gifford Global Alpha Equities Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Global Alpha Equities Fund - Institutional & K Class Prospectus \| Baillie Gifford Global Alpha Equities Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Alpha Fund - Institutional & K Class Prospectus \| Baillie Gifford International Alpha Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Alpha Fund - Institutional & K Class Prospectus \| Baillie Gifford International Alpha Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Concentrated Growth Equities Fund - Institutional & K Class Prospectus \| Baillie Gifford International Concentrated Growth Equities Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Concentrated Growth Equities Fund - Institutional & K Class Prospectus \| Baillie Gifford International Concentrated Growth Equities Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Growth Fund - Institutional & K Class Prospectus \| Baillie Gifford International Growth Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Growth Fund - Institutional & K Class Prospectus \| Baillie Gifford International Growth Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Long Term Global Growth Fund - Institutional & K Class Prospectus \| Baillie Gifford Long Term Global Growth Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Long Term Global Growth Fund - Institutional & K Class Prospectus \| Baillie Gifford Long Term Global Growth Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford U.S. Equity Growth Fund - Institutional & K Class Prospectus \| Baillie Gifford U.S. Equity Growth Fund \| Class K
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford U.S. Equity Growth Fund - Institutional & K Class Prospectus \| Baillie Gifford U.S. Equity Growth Fund \| Institutional Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Emerging Markets Equities Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Emerging Markets Equities Fund \| Class 2
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Emerging Markets Equities Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Emerging Markets Equities Fund \| Class 3
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Emerging Markets Equities Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Emerging Markets Equities Fund \| Class 4
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Emerging Markets Equities Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Emerging Markets Equities Fund \| Class 5
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Global Alpha Equities Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Global Alpha Equities Fund \| Class 2
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Global Alpha Equities Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Global Alpha Equities Fund \| Class 3
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Global Alpha Equities Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Global Alpha Equities Fund \| Class 4
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Global Alpha Equities Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Global Alpha Equities Fund \| Class 5
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Alpha Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford International Alpha Fund \| Class 2
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Alpha Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford International Alpha Fund \| Class 3
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Alpha Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford International Alpha Fund \| Class 4
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Alpha Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford International Alpha Fund \| Class 5
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Growth Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford International Growth Fund \| Class 2
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Growth Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford International Growth Fund \| Class 3
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Growth Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford International Growth Fund \| Class 4
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford International Growth Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford International Growth Fund \| Class 5
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Long Term Global Growth Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Long Term Global Growth Fund \| Class 2
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Long Term Global Growth Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Long Term Global Growth Fund \| Class 3
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Long Term Global Growth Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Long Term Global Growth Fund \| Class 4
Prospectus [Line Items]
Shareholder Fee, Other	0
Baillie Gifford Long Term Global Growth Fund - Class 2,3,4 & 5 Prospectus \| Baillie Gifford Long Term Global Growth Fund \| Class 5
Prospectus [Line Items]
Shareholder Fee, Other	$ 0