v3.26.1
S000053353 [Member] Expense Example, No Redemption - Loomis Sayles Global Growth Fund - Class C
Nov. 30, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 198
Expense Example, No Redemption, 3 Years 639
Expense Example, No Redemption, 5 Years 1,107
Expense Example, No Redemption, 10 Years $ 2,208