v3.25.2
SPDR SSGA My2035 Corporate Bond ETF N-1A Cover
Sep. 10, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name SSGA Active Trust
Entity Central Index Key 0001516212
Entity Investment Company Type N-1A
Document Period End Date Sep. 10, 2025
Prospectus Date Sep. 10, 2025