John Hancock Bond Fund Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| John Hancock Bond Fund Class NAV [Member] | John Hancock Bond Fund | Class NAV | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.78% | 2.39% | 6.66% | (14.31%) | (0.07%) | 9.20% | 10.51% | (0.77%) | 5.30% | 4.91% |