S000001575 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
|
| Aggressive Strategy Fund | Class S | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 17.99% | 12.40% | 17.62% | (16.35%) | 18.12% | 6.56% | 15.93% | (7.39%) | 14.06% | 9.79% |