John Hancock U.S. Growth Fund Average Annual Total Returns - Class NAV [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 1000 Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.37% | 13.59% | 14.59% |
| Russell 1000 Growth Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 18.56% | 15.32% | 18.13% |
| Class NAV | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 20.36% | 15.12% | 16.89% |
| Class NAV | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.73% | 12.35% | 14.09% |
| Class NAV | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 13.50% | 11.24% | 12.99% |