JPMorgan Core Bond Portfolio Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg U.S. Aggregate Bond Index (reflects no deduction for mutual fund fees or expenses)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.30% | (0.36%) | 2.01% |
| Class A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.22% | 0.07% | 2.28% |
| Class B | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.95% | (0.19%) | 2.02% |