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Organization - Schedule of Forward and Reverse Share Splits (Detail)	12 Months Ended
	Dec. 31, 2025
June 22, 2023 Reverse Share Split [Member] | ProShares VIX Short-Term Futures [Member]
Organization [Line Items]
Execution Date	Jun. 22, 2023
Type of Split	1-for-5 reverse Share split
Date Trading Resumed at Post- Split Price	Jun. 23, 2023
June 22, 2023 Reverse Share Split [Member] | ProShares Ultra VIX Short-Term Futures [Member]
Organization [Line Items]
Execution Date	Jun. 22, 2023
Type of Split	1-for-10 reverse Share split
Date Trading Resumed at Post- Split Price	Jun. 23, 2023
June 22, 2023 Reverse Share Split [Member] | ProShares Ultra Bloomberg Natural Gas [Member]
Organization [Line Items]
Execution Date	Jun. 22, 2023
Type of Split	1-for-20 reverse Share split
Date Trading Resumed at Post- Split Price	Jun. 23, 2023
April 10, 2024 Forward Share Split [Member] | ProShares Short VIX Short-Term Futures [Member]
Organization [Line Items]
Execution Date	Apr. 10, 2024
Type of Split	2-for-1 forward Share split
Date Trading Resumed at Post- Split Price	Apr. 11, 2024
April 10, 2024 Forward Share Split [Member] | ProShares UltraShort Bloomberg Natural Gas [Member]
Organization [Line Items]
Execution Date	Apr. 10, 2024
Type of Split	2-for-1 forward Share split
Date Trading Resumed at Post- Split Price	Apr. 11, 2024
April 10, 2024 Reverse Share Split [Member] | ProShares Ultra VIX Short-Term Futures [Member]
Organization [Line Items]
Execution Date	Apr. 10, 2024
Type of Split	1-for-5 reverse Share split
Date Trading Resumed at Post- Split Price	Apr. 11, 2024
November 6, 2024 Reverse Share Split [Member] | ProShares VIX Short-Term Futures [Member]
Organization [Line Items]
Execution Date	Nov. 06, 2024
Type of Split	1-for-4 reverse Share split
Date Trading Resumed at Post- Split Price	Nov. 07, 2024
November 6, 2024 Reverse Share Split [Member] | ProShares Ultra Bloomberg Natural Gas [Member]
Organization [Line Items]
Execution Date	Nov. 06, 2024
Type of Split	1-for-5 reverse Share split
Date Trading Resumed at Post- Split Price	Nov. 07, 2024
November 6, 2024 Reverse Share Split [Member] | ProShares UltraShort Silver [Member]
Organization [Line Items]
Execution Date	Nov. 06, 2024
Type of Split	1-for-4 reverse Share split
Date Trading Resumed at Post- Split Price	Nov. 07, 2024
November 6, 2024 Forward Share Split [Member] | ProShares UltraShort Yen [Member]
Organization [Line Items]
Execution Date	Nov. 06, 2024
Type of Split	2-for-1 forward Share split
Date Trading Resumed at Post- Split Price	Nov. 07, 2024
June 12, 2025 Forward Share Split [Member] | Proshares Ultra Gold [Member]
Organization [Line Items]
Execution Date	Jun. 12, 2025
Type of Split	4-for-1 forward Share split
Date Trading Resumed at Post- Split Price	Jun. 13, 2025
June 12, 2025 Reverse Share Split [Member] | Proshares Ultra Short Gold [Member]
Organization [Line Items]
Execution Date	Jun. 12, 2025
Type of Split	1-for-2 reverse Share split
Date Trading Resumed at Post- Split Price	Jun. 13, 2025
November 19, 2025 Reverse Share Split [Member] | Proshares Ultra Short Gold [Member]
Organization [Line Items]
Execution Date	Nov. 19, 2025
Type of Split	1-for-2 reverse Share split
Date Trading Resumed at Post- Split Price	Nov. 20, 2025
November 19, 2025 Reverse Share Split [Member] | Proshares Ultra VIX Short Term Futures ETF [Member]
Organization [Line Items]
Execution Date	Nov. 19, 2025
Type of Split	1-for-5 reverse Share split
Date Trading Resumed at Post- Split Price	Nov. 20, 2025

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4

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