v3.25.2
Financial Highlights - Per Share Operating Performance (Parenthetical) (Detail)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
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% 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% 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% 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% 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% 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% 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% 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% 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% 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% 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% 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% 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% 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% 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% 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% 0.85%