Label	Element	Value
Class Y \| U.S. Treasury Repurchase Agreements [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	47.90%
Class Y \| Other Repurchase Agreements [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	26.70%
Class Y \| Non-Negotiable Time Deposits [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	8.30%
Class Y \| Financial Company Commercial Paper [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	8.30%
Class Y \| Asset Backed Commercial Paper [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.10%
Class Y \| Variable Rate Demand Note [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	1.90%
Class Y \| Other Assets and Liabilities, Net [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	(0.20%)