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JPMorgan Securities Lending Money Market Fund Average Annual Total Returns - Agency SL
12 Months Ended 60 Months Ended 87 Months Ended
Feb. 28, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Prospectus [Line Items]        
Average Annual Return, Percent   4.33% 3.35% 2.81%
Performance Inception Date Sep. 19, 2018