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JPMorgan SmartRetirement Income Fund Annual Total Returns
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
R2 R3 R4 R5 R6 Shares [Member] | JPMorgan SmartRetirement Income Fund | Class R2                    
Prospectus [Line Items]                    
Annual Return [Percent] 7.40% 11.22% (14.55%) 5.35% 9.24% 13.49% (5.15%) 10.45% 4.72% (1.49%)