John Hancock Bond Fund Average Annual Total Returns - John Hancock Bond Fund Class NAV [Member] |
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 fees, expenses, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.30% | (0.36%) | 2.01% |
| Class NAV | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.78% | 0.16% | 2.92% |
| Class NAV | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.74% | (1.54%) | 1.21% |
| Class NAV | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.87% | (0.55%) | 1.51% |