Annual Total Returns - LOOMIS SAYLES FUNDS II - Class Y |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|---|---|---|---|---|---|---|---|
| Loomis Sayles High Income Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 9.16% | 9.05% | 10.13% | (13.47%) | 3.15% | 8.19% | 12.52% | (3.21%) | 7.80% | 15.04% |
| Loomis Sayles International Growth Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 10.09% | 13.45% | 20.81% | (17.50%) | (3.81%) | |||||
| Loomis Sayles Investment Grade Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.96% | 2.80% | 7.50% | (11.31%) | 0.24% | 11.68% | 9.04% | (0.32%) | 6.66% | 6.16% |
| Loomis Sayles Strategic Income Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 10.56% | 7.24% | 8.30% | (12.60%) | 4.12% | 1.40% | 11.05% | (2.69%) | 7.50% | 8.56% |