John Hancock Managed Account Shares Bond Completion 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% | |
| N/A | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 1.14% | 0.68% | |||
| Performance Inception Date | Dec. 19, 2023 | ||||
| N/A | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | (0.89%) | (1.37%) | |||
| N/A | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 0.03% | 0.40% | |||