v3.24.3
Expense Example, No Redemption - SMALLCAP WORLD FUND INC
Sep. 30, 2024
USD ($)
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 181
Expense Example, No Redemption, 3 Years 560
Expense Example, No Redemption, 5 Years 964
Expense Example, No Redemption, 10 Years 1,900
Class 529-C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 187
Expense Example, No Redemption, 3 Years 579
Expense Example, No Redemption, 5 Years 995
Expense Example, No Redemption, 10 Years $ 1,679