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, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
|
| Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 1.25% | (0.33%) | 1.35% |
| Class NAV | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 2.39% | 0.42% | 2.15% |
| Class NAV | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 0.52% | (1.27%) | 0.49% |
| Class NAV | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 1.40% | (0.36%) | 0.94% |