v3.25.2
John Hancock Disciplined Value Mid Cap Fund N-1A Cover
Mar. 31, 2025
Prospectus [Line Items]  
Document Type 497
Amendment Flag false
Registrant Name John Hancock Funds III
Entity Central Index Key 0001329954
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2025
Prospectus Date Aug. 01, 2025