John Hancock High Yield Fund Annual Fund Operating Expenses - John Hancock Bond Trust Class NAV [Member] - John Hancock High Yield Fund - Class NAV |
May 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.49% |
| Other Expenses (as a percentage of Assets): | 0.06% |
| Expenses (as a percentage of Assets) | 0.55% |