JPMorgan California Tax Free Bond Fund Average Annual Total Returns - A C I Shares [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
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| BLOOMBERG US MUNICIPAL INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | [1],[2] | 1.05% | 0.99% | 2.25% | |||||
| BLOOMBERG CALIFORNIA MUNICIPAL BOND INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | [3] | 1.02% | 0.96% | 2.23% | |||||
| BLOOMBERG LB CALIFORNIA 1-17 YEAR MUNI INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 0.83% | 1.00% | 1.94% | ||||||
| Class A | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | (2.48%) | (0.20%) | 1.06% | ||||||
| Class C | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | (0.13%) | 0.07% | 1.04% | ||||||
| Class I | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 1.51% | 0.69% | 1.55% | ||||||
| Class I | After Taxes on Distributions | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 1.50% | 0.67% | 1.53% | ||||||
| Class I | After Taxes on Distributions and Sales | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 2.11% | 1.01% | 1.73% | ||||||
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