v3.24.0.1
Financial Highlights - Per Share Operating Performance (Parenthetical) (Detail)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
ProShares Short Euro [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses     0.95%
ProShares Short VIX Short-Term Futures ETF [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares Ultra Bloomberg Crude Oil [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares Ultra Bloomberg Natural Gas [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares Ultra Euro [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares Ultra Gold [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares Ultra Silver [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares Ultra VIX Short-Term Futures ETF [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares Ultra Yen [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares UltraShort Australian Dollar [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses     0.95%
ProShares UltraShort Bloomberg Crude Oil [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares UltraShort Bloomberg Natural Gas [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares UltraShort Euro [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares UltraShort Gold [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares UltraShort Silver [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares UltraShort Yen [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.95% 0.95% 0.95%
ProShares VIX Mid-Term Futures ETF [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.85% 0.85% 0.85%
ProShares VIX Short-Term Futures ETF [Member]      
Investment Company, Financial Highlights [Line Items]      
Expense ratio, excluding non-recurring fees and expenses 0.85% 0.85% 0.85%