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 |
|
| T. Rowe Price Spectrum Moderate Allocation Fund-Investor Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 14.51% | 10.34% | 15.06% | (17.08%) | 10.60% | 14.46% | 19.36% | (4.50%) | 17.31% | 6.89% |
| T. Rowe Price Spectrum Moderate Growth Allocation Fund-Investor Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 17.05% | 12.57% | 18.03% | (19.66%) | 14.12% | 16.67% | 23.28% | (6.07%) | 21.91% | 7.02% |
| T. Rowe Price Spectrum Conservative Allocation Fund-Investor Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 11.93% | 8.56% | 11.96% | (13.64%) | 7.10% | 11.70% | 15.11% | (3.02%) | 12.79% | 6.27% |