Creation and Redemption of Creation Units - Schedule of Transaction Fees (Detail)	3 Months Ended
	Mar. 31, 2026 USD ($)
Summary of Investment Holdings [Line Items]
Transaction fees	$ 424,034
ProShares Short VIX Short-Term Futures ETF [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	21,011
ProShares Ultra Bloomberg Crude Oil [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra Bloomberg Natural Gas [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra Euro [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra Gold [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra Silver [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra VIX Short-Term Futures ETF [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	331,491
ProShares Ultra Yen [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Bloomberg Crude Oil [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Bloomberg Natural Gas [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Euro [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Gold [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Silver [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Yen [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	0
ProShares VIX Mid-Term Futures ETF [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	9,665
ProShares VIX Short-Term Futures ETF [Member]
Summary of Investment Holdings [Line Items]
Transaction fees	$ 61,867

ProShares Trust II 10-Q