John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio Average Annual Total Returns |
12 Months Ended | 24 Months Ended | 60 Months Ended | 78 Months Ended | |
|---|---|---|---|---|---|
May 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 7.30% | 4.59% | (0.36%) | 1.22% | |
| Bloomberg U.S. Corporate Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 7.77% | (0.09%) | 2.05% | ||
| None or SAME | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 8.85% | 1.59% | 3.14% | ||
| Performance Inception Date | Jul. 09, 2019 | ||||
| None or SAME | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 6.37% | (0.49%) | 1.15% | ||
| None or SAME | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 5.49% | 0.32% | 1.53% |