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