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JPMorgan SmartRetirement Blend 2065 Fund Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
R2 R3 R4 R5 R6 Shares [Member] | JPMorgan SmartRetirement Blend 2065 Fund | Class R6      
Prospectus [Line Items]      
Annual Return [Percent] 20.04% 14.55% 19.13%