v3.26.3
Form N-1A Cover
Sep. 30, 2026
Prospectus [Line Items]  
Document Type 497
Amendment Flag false
Registrant Name JNL SERIES TRUST
Entity Central Index Key 0000933691
Entity Investment Company Type N-1A
Document Period End Date Sep. 30, 2026
Prospectus Date Apr. 27, 2026