v3.25.1
Label Element Value
Class T | Other Repurchase Agreements [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 25.10%
Class T | Financial Company Commercial Paper [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 19.50%
Class T | U.S. Treasury Repurchase Agreements [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 18.50%
Class T | Asset Backed Commercial Paper [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 13.30%
Class T | Non-Financial Company Commercial Paper [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 7.80%
Class T | Non-Negotiable Time Deposits [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 7.60%
Class T | Other Instruments [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 4.80%
Class T | Certificates of Deposit [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 4.20%
Class T | Other Assets and Liabilities, Net [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (0.80%)