John Hancock Mid Cap Growth Fund Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
Dec. 31, 2015 |
|
| Class NAV [Member] | John Hancock Mid Cap Growth Fund | Class NAV | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 25.30% | 18.81% | (34.48%) | 3.44% | 64.62% | 34.96% | (0.89%) | 28.37% | 0.61% | 3.01% |