John Hancock High Yield Fund Expense Example - John Hancock Bond Trust Class NAV [Member] - John Hancock High Yield Fund - Class NAV |
May 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 56 |
| Expense Example, with Redemption, 3 Years | 176 |
| Expense Example, with Redemption, 5 Years | 307 |
| Expense Example, with Redemption, 10 Years | $ 689 |