John Hancock Diversified Real Assets Fund Average Annual Total Returns - Class NAV [Member] |
12 Months Ended | 24 Months Ended | 60 Months Ended | 94 Months Ended | 120 Months Ended | |
|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| MSCI World Index (reflects no deduction for fees, expenses, or taxes, except foreign withholding taxes on dividends)[Member] | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 21.09% | 19.85% | 12.15% | 11.50% | 12.17% | |
| Class NAV | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 25.65% | 12.82% | 8.15% | |||
| Performance Inception Date | Feb. 26, 2018 | |||||
| Class NAV | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 20.07% | 10.52% | 6.22% | |||
| Class NAV | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 17.76% | 9.52% | 5.79% |