v3.26.3
John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio Shareholder Fees - John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio - None or SAME
May 31, 2026
Prospectus [Line Items]  
Maximum Cumulative Sales Charge (as a percentage) 0.00%
Maximum Deferred Sales Charge (as a percentage) 0.00%