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JPMorgan SmartRetirement Blend 2060 Fund Average Annual Total Returns - I Shares [Member]
12 Months Ended 60 Months Ended 112 Months Ended 120 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI ACWI INDEX(Net Total Return) (Reflects No Deduction for Fees, Expenses, or Taxes, Except Foreign Withholding Taxes)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   22.34% 11.19% 11.92% 11.72%
S&P TARGET DATE 2060 INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   19.94% 10.27% 11.00%  
JPM SMARTRETIREMENT BLEND 2060 COMPOSITE BENCHMARK(Reflects No Deduction for Fees, Expenses, or Taxes)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   20.25% 10.20% 10.73%  
Class I          
Prospectus [Line Items]          
Average Annual Return, Percent   20.14% 9.70% 10.29%  
Performance Inception Date Aug. 31, 2016        
Class I | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent   19.29% 8.90% 9.45%  
Class I | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent   12.14% 7.39% 8.06%