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 Baillie Gifford Funds
Entity Central Index Key 0001120543
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
C000228389  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford China Equities Fund
Class Name Class K
Trading Symbol BGCDX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford China Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/china-equities-fund/TSR. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/china-equities-fund/TSR
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class K
$42
0.87%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.87% [1]
AssetsNet $ 2,745,105
Holdings Count | Holding 57
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 17.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,745,105
  • Total number of portfolio holdings57
  • Total advisory fees paid, net of waiver$0
  • Portfolio turnover rate17%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Internet
20.7%
Semiconductors
10.0%
Auto Parts & Equipment
9.0%
Banks
5.7%
Chemicals
4.9%
Insurance
3.7%
Computers
3.4%
Home Furnishings
3.3%
Electronics
3.2%
Beverages
3.2%
Telecommunications
2.8%
Retail
2.7%
Mining
2.5%
Other sectors
23.0%
Other assets less liabilities
1.9%
Total
100.0%
C000228388  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford China Equities Fund
Class Name Institutional Class
Trading Symbol BGCBX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford China Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/china-equities-fund/TSR. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/china-equities-fund/TSR
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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 Class
$47
0.96%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 47
Expense Ratio, Percent 0.96% [2]
AssetsNet $ 2,745,105
Holdings Count | Holding 57
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 17.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,745,105
  • Total number of portfolio holdings57
  • Total advisory fees paid, net of waiver$0
  • Portfolio turnover rate17%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Internet
20.7%
Semiconductors
10.0%
Auto Parts & Equipment
9.0%
Banks
5.7%
Chemicals
4.9%
Insurance
3.7%
Computers
3.4%
Home Furnishings
3.3%
Electronics
3.2%
Beverages
3.2%
Telecommunications
2.8%
Retail
2.7%
Mining
2.5%
Other sectors
23.0%
Other assets less liabilities
1.9%
Total
100.0%
C000018471  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Emerging Markets Equities Fund
Class Name Class 2
Trading Symbol BGEHX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Emerging Markets Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/emerging-markets-equities-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/emerging-markets-equities-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 2
$43
0.76%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.76% [3]
AssetsNet $ 8,860,589,262
Holdings Count | Holding 85
Advisory Fees Paid, Amount $ 20,514,209
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$8,860,589,262
  • Total number of portfolio holdings85
  • Total advisory fees paid$20,514,209
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
39.9%
Internet
12.4%
Banks
7.0%
Oil & Gas
4.7%
Investment Companies
4.3%
Mining
3.8%
Telecommunications
2.9%
Diversified Financial Services
2.2%
Insurance
1.9%
Auto Parts & Equipment
1.8%
Retail
1.7%
Electronics
1.7%
Home Furnishings
1.6%
Other sectors
13.1%
Other assets less liabilities
1.0%
Total
100.0%
C000157006  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Emerging Markets Equities Fund
Class Name Class 4
Trading Symbol BGEPX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Emerging Markets Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/emerging-markets-equities-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/emerging-markets-equities-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 4
$38
0.66%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.66% [4]
AssetsNet $ 8,860,589,262
Holdings Count | Holding 85
Advisory Fees Paid, Amount $ 20,514,209
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$8,860,589,262
  • Total number of portfolio holdings85
  • Total advisory fees paid$20,514,209
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
39.9%
Internet
12.4%
Banks
7.0%
Oil & Gas
4.7%
Investment Companies
4.3%
Mining
3.8%
Telecommunications
2.9%
Diversified Financial Services
2.2%
Insurance
1.9%
Auto Parts & Equipment
1.8%
Retail
1.7%
Electronics
1.7%
Home Furnishings
1.6%
Other sectors
13.1%
Other assets less liabilities
1.0%
Total
100.0%
C000018472  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Emerging Markets Equities Fund
Class Name Class 5
Trading Symbol BGEDX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Emerging Markets Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/emerging-markets-equities-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/emerging-markets-equities-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 5
$35
0.61%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.61% [5]
AssetsNet $ 8,860,589,262
Holdings Count | Holding 85
Advisory Fees Paid, Amount $ 20,514,209
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$8,860,589,262
  • Total number of portfolio holdings85
  • Total advisory fees paid$20,514,209
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
39.9%
Internet
12.4%
Banks
7.0%
Oil & Gas
4.7%
Investment Companies
4.3%
Mining
3.8%
Telecommunications
2.9%
Diversified Financial Services
2.2%
Insurance
1.9%
Auto Parts & Equipment
1.8%
Retail
1.7%
Electronics
1.7%
Home Furnishings
1.6%
Other sectors
13.1%
Other assets less liabilities
1.0%
Total
100.0%
C000186027  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Emerging Markets Equities Fund
Class Name Class K
Trading Symbol BGKEX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Emerging Markets Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/emerging-markets-equities-fund/TSR-I-K. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/emerging-markets-equities-fund/TSR-I-K
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class K
$43
0.76%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.76% [6]
AssetsNet $ 8,860,589,262
Holdings Count | Holding 85
Advisory Fees Paid, Amount $ 20,514,209
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$8,860,589,262
  • Total number of portfolio holdings85
  • Total advisory fees paid$20,514,209
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
39.9%
Internet
12.4%
Banks
7.0%
Oil & Gas
4.7%
Investment Companies
4.3%
Mining
3.8%
Telecommunications
2.9%
Diversified Financial Services
2.2%
Insurance
1.9%
Auto Parts & Equipment
1.8%
Retail
1.7%
Electronics
1.7%
Home Furnishings
1.6%
Other sectors
13.1%
Other assets less liabilities
1.0%
Total
100.0%
C000186026  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Emerging Markets Equities Fund
Class Name Institutional Class
Trading Symbol BGEGX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Emerging Markets Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/emerging-markets-equities-fund/TSR-I-K. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/emerging-markets-equities-fund/TSR-I-K
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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 Class
$48
0.84%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 48
Expense Ratio, Percent 0.84% [7]
AssetsNet $ 8,860,589,262
Holdings Count | Holding 85
Advisory Fees Paid, Amount $ 20,514,209
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$8,860,589,262
  • Total number of portfolio holdings85
  • Total advisory fees paid$20,514,209
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
39.9%
Internet
12.4%
Banks
7.0%
Oil & Gas
4.7%
Investment Companies
4.3%
Mining
3.8%
Telecommunications
2.9%
Diversified Financial Services
2.2%
Insurance
1.9%
Auto Parts & Equipment
1.8%
Retail
1.7%
Electronics
1.7%
Home Furnishings
1.6%
Other sectors
13.1%
Other assets less liabilities
1.0%
Total
100.0%
C000233007  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Emerging Markets ex China Fund
Class Name Class K
Trading Symbol BGEZX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Emerging Markets ex China Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/emerging-markets-ex-china-fund/TSR. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/emerging-markets-ex-china-fund/TSR
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class K
$53
0.87%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 53
Expense Ratio, Percent 0.87% [8]
AssetsNet $ 2,058,442
Holdings Count | Holding 71
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,058,442
  • Total number of portfolio holdings71
  • Total advisory fees paid, net of waiver$0
  • Portfolio turnover rate19%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
43.1%
Internet
7.6%
Banks
7.2%
Investment Companies
6.4%
Oil & Gas
4.8%
Telecommunications
3.9%
Mining
3.3%
Diversified Financial Services
2.8%
Miscellaneous Manufacturing
2.4%
Retail
1.8%
Computers
1.4%
Electric
1.4%
Real Estate
1.3%
Other sectors
10.9%
Other assets less liabilities
1.7%
Total
100.0%
C000233008  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Emerging Markets ex China Fund
Class Name Institutional Class
Trading Symbol BGEWX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Emerging Markets ex China Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/emerging-markets-ex-china-fund/TSR. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/emerging-markets-ex-china-fund/TSR
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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 Class
$53
0.87%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 53
Expense Ratio, Percent 0.87% [9]
AssetsNet $ 2,058,442
Holdings Count | Holding 71
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,058,442
  • Total number of portfolio holdings71
  • Total advisory fees paid, net of waiver$0
  • Portfolio turnover rate19%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
43.1%
Internet
7.6%
Banks
7.2%
Investment Companies
6.4%
Oil & Gas
4.8%
Telecommunications
3.9%
Mining
3.3%
Diversified Financial Services
2.8%
Miscellaneous Manufacturing
2.4%
Retail
1.8%
Computers
1.4%
Electric
1.4%
Real Estate
1.3%
Other sectors
10.9%
Other assets less liabilities
1.7%
Total
100.0%
C000078432  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Global Alpha Equities Fund
Class Name Class 2
Trading Symbol BGATX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Global Alpha Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/global-alpha-equities-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/global-alpha-equities-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 2
$34
0.67%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.67% [10]
AssetsNet $ 344,294,214
Holdings Count | Holding 92
Advisory Fees Paid, Amount $ 845,100
InvestmentCompanyPortfolioTurnover 25.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$344,294,214
  • Total number of portfolio holdings92
  • Total advisory fees paid$845,100
  • Portfolio turnover rate25%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
20.5%
Internet
18.6%
Software
5.9%
Retail
4.6%
Banks
4.0%
Building Materials
3.7%
Commercial Services
3.5%
Diversified Financial Services
3.4%
Healthcare - Services
3.3%
Oil & Gas
3.0%
Biotechnology
2.1%
Machinery - Diversified
2.0%
Metal Fabricate/Hardware
1.6%
Other sectors
22.3%
Other assets less liabilities
1.5%
Total
100.0%
C000186034  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Global Alpha Equities Fund
Class Name Class K
Trading Symbol BGAKX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Global Alpha Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/global-alpha-equities-fund/TSR-I-K. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/global-alpha-equities-fund/TSR-I-K
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class K
$34
0.68%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.68% [11]
AssetsNet $ 344,294,214
Holdings Count | Holding 92
Advisory Fees Paid, Amount $ 845,100
InvestmentCompanyPortfolioTurnover 25.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$344,294,214
  • Total number of portfolio holdings92
  • Total advisory fees paid$845,100
  • Portfolio turnover rate25%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
20.5%
Internet
18.6%
Software
5.9%
Retail
4.6%
Banks
4.0%
Building Materials
3.7%
Commercial Services
3.5%
Diversified Financial Services
3.4%
Healthcare - Services
3.3%
Oil & Gas
3.0%
Biotechnology
2.1%
Machinery - Diversified
2.0%
Metal Fabricate/Hardware
1.6%
Other sectors
22.3%
Other assets less liabilities
1.5%
Total
100.0%
C000186035  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford Global Alpha Equities Fund
Class Name Institutional Class
Trading Symbol BGASX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford Global Alpha Equities Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/global-alpha-equities-fund/TSR-I-K. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/global-alpha-equities-fund/TSR-I-K
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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 Class
$40
0.79%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79% [12]
AssetsNet $ 344,294,214
Holdings Count | Holding 92
Advisory Fees Paid, Amount $ 845,100
InvestmentCompanyPortfolioTurnover 25.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$344,294,214
  • Total number of portfolio holdings92
  • Total advisory fees paid$845,100
  • Portfolio turnover rate25%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
20.5%
Internet
18.6%
Software
5.9%
Retail
4.6%
Banks
4.0%
Building Materials
3.7%
Commercial Services
3.5%
Diversified Financial Services
3.4%
Healthcare - Services
3.3%
Oil & Gas
3.0%
Biotechnology
2.1%
Machinery - Diversified
2.0%
Metal Fabricate/Hardware
1.6%
Other sectors
22.3%
Other assets less liabilities
1.5%
Total
100.0%
C000034445  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Alpha Fund
Class Name Class 2
Trading Symbol BGITX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Alpha Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-alpha-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-alpha-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 2
$31
0.61%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.61% [13]
AssetsNet $ 1,721,574,530
Holdings Count | Holding 82
Advisory Fees Paid, Amount $ 3,477,629
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$1,721,574,530
  • Total number of portfolio holdings82
  • Total advisory fees paid$3,477,629
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.0%
Internet
9.2%
Banks
9.0%
Insurance
5.0%
Commercial Services
4.7%
Mining
4.2%
Diversified Financial Services
3.9%
Machinery - Diversified
3.7%
Home Furnishings
3.5%
Building Materials
3.3%
Pharmaceuticals
3.1%
Food
2.7%
Software
2.6%
Other sectors
20.0%
Other assets less liabilities
3.1%
Total
100.0%
C000034446  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Alpha Fund
Class Name Class 3
Trading Symbol BGIFX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Alpha Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-alpha-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-alpha-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 3
$28
0.54%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.54% [14]
AssetsNet $ 1,721,574,530
Holdings Count | Holding 82
Advisory Fees Paid, Amount $ 3,477,629
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$1,721,574,530
  • Total number of portfolio holdings82
  • Total advisory fees paid$3,477,629
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.0%
Internet
9.2%
Banks
9.0%
Insurance
5.0%
Commercial Services
4.7%
Mining
4.2%
Diversified Financial Services
3.9%
Machinery - Diversified
3.7%
Home Furnishings
3.5%
Building Materials
3.3%
Pharmaceuticals
3.1%
Food
2.7%
Software
2.6%
Other sectors
20.0%
Other assets less liabilities
3.1%
Total
100.0%
C000186029  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Alpha Fund
Class Name Class K
Trading Symbol BGIKX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Alpha Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-alpha-fund/TSR-I-K. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-alpha-fund/TSR-I-K
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class K
$31
0.61%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.61% [15]
AssetsNet $ 1,721,574,530
Holdings Count | Holding 82
Advisory Fees Paid, Amount $ 3,477,629
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$1,721,574,530
  • Total number of portfolio holdings82
  • Total advisory fees paid$3,477,629
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.0%
Internet
9.2%
Banks
9.0%
Insurance
5.0%
Commercial Services
4.7%
Mining
4.2%
Diversified Financial Services
3.9%
Machinery - Diversified
3.7%
Home Furnishings
3.5%
Building Materials
3.3%
Pharmaceuticals
3.1%
Food
2.7%
Software
2.6%
Other sectors
20.0%
Other assets less liabilities
3.1%
Total
100.0%
C000186028  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Alpha Fund
Class Name Institutional Class
Trading Symbol BINSX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Alpha Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-alpha-fund/TSR-I-K. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-alpha-fund/TSR-I-K
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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 Class
$37
0.71%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.71% [16]
AssetsNet $ 1,721,574,530
Holdings Count | Holding 82
Advisory Fees Paid, Amount $ 3,477,629
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$1,721,574,530
  • Total number of portfolio holdings82
  • Total advisory fees paid$3,477,629
  • Portfolio turnover rate24%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.0%
Internet
9.2%
Banks
9.0%
Insurance
5.0%
Commercial Services
4.7%
Mining
4.2%
Diversified Financial Services
3.9%
Machinery - Diversified
3.7%
Home Furnishings
3.5%
Building Materials
3.3%
Pharmaceuticals
3.1%
Food
2.7%
Software
2.6%
Other sectors
20.0%
Other assets less liabilities
3.1%
Total
100.0%
C000034448  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Growth Fund
Class Name Class 2
Trading Symbol BGETX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Growth Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-growth-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-growth-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 2
$29
0.57%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.57% [17]
AssetsNet $ 2,966,963,830
Holdings Count | Holding 63
Advisory Fees Paid, Amount $ 5,223,564
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,966,963,830
  • Total number of portfolio holdings63
  • Total advisory fees paid$5,223,564
  • Portfolio turnover rate19%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.3%
Internet
16.7%
Machinery - Diversified
5.9%
Banks
5.1%
Commercial Services
4.8%
Pharmaceuticals
4.4%
Cosmetics/Personal Care
4.2%
Biotechnology
4.2%
Software
3.6%
Auto Manufacturers
3.6%
Transportation
3.3%
Healthcare - Services
2.4%
Insurance
2.3%
Other sectors
16.5%
Other assets less liabilities
0.7%
Total
100.0%
C000034449  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Growth Fund
Class Name Class 3
Trading Symbol BGEUX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Growth Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-growth-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-growth-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 3
$25
0.50%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.50% [18]
AssetsNet $ 2,966,963,830
Holdings Count | Holding 63
Advisory Fees Paid, Amount $ 5,223,564
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,966,963,830
  • Total number of portfolio holdings63
  • Total advisory fees paid$5,223,564
  • Portfolio turnover rate19%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.3%
Internet
16.7%
Machinery - Diversified
5.9%
Banks
5.1%
Commercial Services
4.8%
Pharmaceuticals
4.4%
Cosmetics/Personal Care
4.2%
Biotechnology
4.2%
Software
3.6%
Auto Manufacturers
3.6%
Transportation
3.3%
Healthcare - Services
2.4%
Insurance
2.3%
Other sectors
16.5%
Other assets less liabilities
0.7%
Total
100.0%
C000078439  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Growth Fund
Class Name Class 4
Trading Symbol BGEFX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Growth Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-growth-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-growth-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 4
$24
0.47%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 24
Expense Ratio, Percent 0.47% [19]
AssetsNet $ 2,966,963,830
Holdings Count | Holding 63
Advisory Fees Paid, Amount $ 5,223,564
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,966,963,830
  • Total number of portfolio holdings63
  • Total advisory fees paid$5,223,564
  • Portfolio turnover rate19%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.3%
Internet
16.7%
Machinery - Diversified
5.9%
Banks
5.1%
Commercial Services
4.8%
Pharmaceuticals
4.4%
Cosmetics/Personal Care
4.2%
Biotechnology
4.2%
Software
3.6%
Auto Manufacturers
3.6%
Transportation
3.3%
Healthcare - Services
2.4%
Insurance
2.3%
Other sectors
16.5%
Other assets less liabilities
0.7%
Total
100.0%
C000116267  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Growth Fund
Class Name Class 5
Trading Symbol BGEVX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Growth Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-growth-fund/TSR-2-5. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-growth-fund/TSR-2-5
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class 5
$21
0.42%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 21
Expense Ratio, Percent 0.42% [20]
AssetsNet $ 2,966,963,830
Holdings Count | Holding 63
Advisory Fees Paid, Amount $ 5,223,564
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,966,963,830
  • Total number of portfolio holdings63
  • Total advisory fees paid$5,223,564
  • Portfolio turnover rate19%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.3%
Internet
16.7%
Machinery - Diversified
5.9%
Banks
5.1%
Commercial Services
4.8%
Pharmaceuticals
4.4%
Cosmetics/Personal Care
4.2%
Biotechnology
4.2%
Software
3.6%
Auto Manufacturers
3.6%
Transportation
3.3%
Healthcare - Services
2.4%
Insurance
2.3%
Other sectors
16.5%
Other assets less liabilities
0.7%
Total
100.0%
C000186031  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Growth Fund
Class Name Class K
Trading Symbol BGEKX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Growth Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-growth-fund/TSR-I-K. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-growth-fund/TSR-I-K
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class K
$29
0.57%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.57% [21]
AssetsNet $ 2,966,963,830
Holdings Count | Holding 63
Advisory Fees Paid, Amount $ 5,223,564
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,966,963,830
  • Total number of portfolio holdings63
  • Total advisory fees paid$5,223,564
  • Portfolio turnover rate19%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.3%
Internet
16.7%
Machinery - Diversified
5.9%
Banks
5.1%
Commercial Services
4.8%
Pharmaceuticals
4.4%
Cosmetics/Personal Care
4.2%
Biotechnology
4.2%
Software
3.6%
Auto Manufacturers
3.6%
Transportation
3.3%
Healthcare - Services
2.4%
Insurance
2.3%
Other sectors
16.5%
Other assets less liabilities
0.7%
Total
100.0%
C000186030  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford International Growth Fund
Class Name Institutional Class
Trading Symbol BGESX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford International Growth Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/international-growth-fund/TSR-I-K. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/international-growth-fund/TSR-I-K
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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 Class
$33
0.66%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.66% [22]
AssetsNet $ 2,966,963,830
Holdings Count | Holding 63
Advisory Fees Paid, Amount $ 5,223,564
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$2,966,963,830
  • Total number of portfolio holdings63
  • Total advisory fees paid$5,223,564
  • Portfolio turnover rate19%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Semiconductors
22.3%
Internet
16.7%
Machinery - Diversified
5.9%
Banks
5.1%
Commercial Services
4.8%
Pharmaceuticals
4.4%
Cosmetics/Personal Care
4.2%
Biotechnology
4.2%
Software
3.6%
Auto Manufacturers
3.6%
Transportation
3.3%
Healthcare - Services
2.4%
Insurance
2.3%
Other sectors
16.5%
Other assets less liabilities
0.7%
Total
100.0%
C000186037  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford U.S. Equity Growth Fund
Class Name Class K
Trading Symbol BGGKX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford U.S. Equity Growth Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/u-s-equity-growth-fund/TSR. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/u-s-equity-growth-fund/TSR
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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
Class K
$31
0.65%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.65% [23]
AssetsNet $ 8,697,693
Holdings Count | Holding 49
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 11.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$8,697,693
  • Total number of portfolio holdings49
  • Total advisory fees paid, net of waiver$0
  • Portfolio turnover rate11%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Internet
32.2%
Software
12.6%
Semiconductors
10.5%
Healthcare - Products
7.3%
Biotechnology
6.6%
Commercial Services
3.9%
Auto Manufacturers
2.5%
Healthcare - Services
2.5%
Diversified Financial Services
2.0%
Home Furnishings
1.9%
Distribution/Wholesale
1.8%
Media
1.7%
Miscellaneous Manufacturing
1.6%
Other sectors
11.0%
Other assets less liabilities
1.9%
Total
100.0%
C000186036  
Shareholder Report [Line Items]  
Fund Name Baillie Gifford U.S. Equity Growth Fund
Class Name Institutional Class
Trading Symbol BGGSX
Annual or Semi-Annual Statement [Text Block] The semi-annual shareholder report contains important information about  Baillie Gifford U.S. Equity Growth Fund (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.bailliegifford.com/u-s-equity-growth-fund/TSR. You can also request this information by contacting us at +1-844-394-6127 or via email at northamericanvehiclesteam@bailliegifford.com.    
Additional Information Phone Number +1-844-394-6127
Additional Information Website www.bailliegifford.com/u-s-equity-growth-fund/TSR
Expenses [Text Block]

What were the Fund costs for the last six months? 

(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 Class
$37
0.77%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.77% [24]
AssetsNet $ 8,697,693
Holdings Count | Holding 49
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 11.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of June 30, 2026

The following table outlines key Fund statistics that you should pay attention to:

  • Fund net assets$8,697,693
  • Total number of portfolio holdings49
  • Total advisory fees paid, net of waiver$0
  • Portfolio turnover rate11%
Additional Fund Statistics Significance or Limits [Text Block]

The following table outlines key Fund statistics that you should pay attention to:
Holdings [Text Block]

Tabular Representation of Holdings as of June 30, 2026

The following table shows the industry sector allocation of the Fund.

Table Summary
Sectors
% of Net Assets
Internet
32.2%
Software
12.6%
Semiconductors
10.5%
Healthcare - Products
7.3%
Biotechnology
6.6%
Commercial Services
3.9%
Auto Manufacturers
2.5%
Healthcare - Services
2.5%
Diversified Financial Services
2.0%
Home Furnishings
1.9%
Distribution/Wholesale
1.8%
Media
1.7%
Miscellaneous Manufacturing
1.6%
Other sectors
11.0%
Other assets less liabilities
1.9%
Total
100.0%
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