John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 66 Months Ended | ||
|---|---|---|---|---|---|
May 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
|
| Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 2.04% | 1.25% | (0.33%) | 0.15% | |
| Bloomberg U.S. Corporate Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 2.13% | 0.30% | 1.03% | ||
| N/A | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 4.89% | 1.57% | 2.13% | ||
| Performance Inception Date | Jul. 09, 2019 | ||||
| N/A | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 2.49% | (0.35%) | 0.23% | ||
| N/A | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 2.87% | 0.38% | 0.82% | ||