v3.26.1
S000035596 [Member] N-1A Cover
Oct. 31, 2025
Prospectus [Line Items]  
Document Type 497
Amendment Flag false
Registrant Name FLEXSHARES TRUST
Entity Central Index Key 0001491978
Entity Investment Company Type N-1A
Document Period End Date Oct. 31, 2025
Prospectus Date Mar. 01, 2026