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Annual Total Returns - Prospectus Summary - FRANKLIN U.S. GOVERNMENT MONEY FUND - Class A
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
Dec. 31, 2015
Prospectus [Line Items]                    
Annual Return [Percent] 4.79% 4.61% 1.21% 0.01% 0.21% 1.66% 1.28% 0.32% none none
Annual Return [Percent] 4.79% 4.61% 1.21% 0.01% 0.21% 1.66% 1.28% 0.32% none none