v3.24.1.1.u2
Annual Total Returns - FIMMFunds-InstitutionalComboPRO - FIMMFunds-InstitutionalComboPRO - Fidelity Investments Money Market Treasury Only Portfolio
May 30, 2024
Bar Chart Table:  
Annual Return, Inception Date May 14, 2014
Fidelity Investments Money Market Treasury Only Portfolio - Institutional Class  
Bar Chart Table:  
Annual Return 2015 0.01%
Annual Return 2016 0.21%
Annual Return 2017 0.75%
Annual Return 2018 1.75%
Annual Return 2019 2.09%
Annual Return 2020 0.38%
Annual Return 2021 0.01%
Annual Return 2022 1.47%
Annual Return 2023 4.92%