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 Classes A C I R2 R4 and R6 [Member] | John Hancock Bond Fund | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.35% | 1.96% | 6.22% | (14.69%) | (0.48%) | 8.81% | 10.07% | (1.23%) | 4.87% | 4.46% |