v3.25.3
Expense Example, No Redemption - SMALLCAP WORLD FUND INC
Nov. 28, 2025
USD ($)
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 180
Expense Example, No Redemption, 3 Years 557
Expense Example, No Redemption, 5 Years 959
Expense Example, No Redemption, 10 Years 1,889
Class 529-C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 184
Expense Example, No Redemption, 3 Years 569
Expense Example, No Redemption, 5 Years 980
Expense Example, No Redemption, 10 Years $ 1,652