John Hancock Investment Grade Bond Fund Shareholder Fees - John Hancock Bond Trust Class NAV [Member] - John Hancock Investment Grade Bond Fund - Class NAV |
May 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Maximum Cumulative Sales Charge (as a percentage) | 0.00% |
| Maximum Deferred Sales Charge (as a percentage) | 0.00% |