v3.21.1

Creation and Redemption of Creation Units - Schedule of Transaction Fees (Detail)	3 Months Ended
	Mar. 31, 2021 USD ($)
Investment Holdings [Line Items]
Transaction fees	$ 1,179,745
ProShares Short Euro [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares Short VIX Short-Term Futures ETF [Member]
Investment Holdings [Line Items]
Transaction fees	42,067
ProShares Ultra Bloomberg Crude Oil [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra Bloomberg Natural Gas [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra Euro [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra Gold [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra Silver [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares Ultra VIX Short-Term Futures ETF [Member]
Investment Holdings [Line Items]
Transaction fees	977,320
ProShares Ultra Yen [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Australian Dollar [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Bloomberg Crude Oil [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Bloomberg Natural Gas [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Euro [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Gold [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Silver [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares UltraShort Yen [Member]
Investment Holdings [Line Items]
Transaction fees	0
ProShares VIX Mid-Term Futures ETF [Member]
Investment Holdings [Line Items]
Transaction fees	7,122
ProShares VIX Short-Term Futures ETF [Member]
Investment Holdings [Line Items]
Transaction fees	$ 153,236

X

- Definition

Amount of expense for shareholder services. Includes, but is not limited to, fee and expense for transfer and dividend disbursing agent.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 220
-Section 45
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118262090&loc=SL114874205-224268

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+ References

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