v3.25.4
Institutional Class Z [Member] N-1A Cover
Oct. 31, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name HARDING LOEVNER FUNDS INC
Entity Central Index Key 0001018170
Entity Investment Company Type N-1A
Document Period End Date Oct. 31, 2025
Prospectus Date Feb. 28, 2026