v3.22.2

Statements of Financial Condition (Parenthetical) - U.S. Government Agencies Short-term Debt Securities [Member] - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Short-term U.S. government and agency obligations, cost	$ 2,087,271,449	$ 2,505,722,885
ProShares Short VIX Short-Term Futures ETF [Member]
Short-term U.S. government and agency obligations, cost	151,906,089	147,851,244
ProShares Ultra Bloomberg Crude Oil [Member]
Short-term U.S. government and agency obligations, cost	527,457,948	848,800,309
ProShares Ultra Bloomberg Natural Gas [Member]
Short-term U.S. government and agency obligations, cost	105,954,114	90,936,719
ProShares Ultra Euro [Member]
Short-term U.S. government and agency obligations, cost	4,695,823	998,130
ProShares Ultra Gold [Member]
Short-term U.S. government and agency obligations, cost	208,875,314	207,964,168
ProShares Ultra Silver [Member]
Short-term U.S. government and agency obligations, cost	290,825,356	451,896,236
ProShares Ultra VIX Short-Term Futures ETF [Member]
Short-term U.S. government and agency obligations, cost	243,860,580	221,725,609
ProShares Ultra Yen [Member]
Short-term U.S. government and agency obligations, cost	998,111	0
ProShares UltraShort Bloomberg Crude Oil [Member]
Short-term U.S. government and agency obligations, cost	232,892,020	55,932,300
ProShares UltraShort Bloomberg Natural Gas [Member]
Short-term U.S. government and agency obligations, cost	59,954,167	123,855,553
ProShares UltraShort Euro [Member]
Short-term U.S. government and agency obligations, cost	19,986,920	46,968,288
ProShares UltraShort Gold [Member]
Short-term U.S. government and agency obligations, cost	13,992,602	25,984,097
ProShares UltraShort Silver [Member]
Short-term U.S. government and agency obligations, cost	12,996,113	22,995,121
ProShares UltraShort Yen [Member]
Short-term U.S. government and agency obligations, cost	10,994,894	20,990,068
ProShares VIX Mid-Term Futures ETF [Member]
Short-term U.S. government and agency obligations, cost	31,975,556	85,937,303
ProShares VIX Short-Term Futures ETF [Member]
Short-term U.S. government and agency obligations, cost	$ 169,905,842	$ 150,887,871

X

- Definition

Cost of the investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841

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