v3.24.0.1
Statements of Changes in Shareholders' Equity (Parenthetical) - shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Addition, shares 279,685,000 278,787,500 76,444,750
Redemption, shares 227,089,833 288,475,926 115,421,117
Net addition (redemption), shares 52,595,167 (9,688,426) (38,976,367)
ProShares Short VIX Short-Term Futures ETF [Member]      
Addition, shares 4,100,000 7,150,000 5,100,000
Redemption, shares 7,300,000 8,250,000 8,100,000
Net addition (redemption), shares (3,200,000) (1,100,000) (3,000,000)
ProShares Ultra Bloomberg Crude Oil [Member]      
Addition, shares 47,050,000 31,700,000 29,200,000
Redemption, shares 50,600,000 54,550,000 77,200,000
Net addition (redemption), shares (3,550,000) (22,850,000) (48,000,000)
ProShares Ultra Bloomberg Natural Gas [Member]      
Addition, shares 68,615,000 3,167,500 767,500
Redemption, shares 44,660,832 1,932,500 792,500
Net addition (redemption), shares 23,954,168 1,235,000 (25,000)
ProShares Ultra Euro [Member]      
Addition, shares 300,000 650,000 (350,000)
Redemption, shares 1,550,000 1,250,000 300,000
Net addition (redemption), shares 500,000 150,000 350,000
ProShares Ultra Gold [Member]      
Addition, shares 1,000,000 1,750,000 1,350,000
Redemption, shares 1,150,000 2,500,000 1,350,000
Net addition (redemption), shares (150,000) (750,000) 0
ProShares Ultra Silver [Member]      
Addition, shares 7,100,000 6,350,000 4,500,000
Redemption, shares 5,850,000 8,100,000 4,400,000
Net addition (redemption), shares 1,250,000 (1,750,000) 100,000
ProShares Ultra VIX Short-Term Futures ETF [Member]      
Addition, shares 62,810,000 27,415,000 13,523,500
Redemption, shares 30,793,383 24,690,000 8,211,967
Net addition (redemption), shares 32,016,617 2,725,000 5,311,533
ProShares Ultra Yen [Member]      
Addition, shares 1,000,000 500,000 0
Redemption, shares 300,000 150,000 0
Net addition (redemption), shares 700,000 350,000 0
ProShares UltraShort Bloomberg Crude Oil [Member]      
Addition, shares 32,700,000 44,940,000 2,677,500
Redemption, shares 32,900,000 37,411,540 1,317,734
Net addition (redemption), shares (200,000) 7,528,460 1,359,766
ProShares UltraShort Bloomberg Natural Gas [Member]      
Addition, shares 26,300,000 134,540,000 3,005,000
Redemption, shares 29,800,000 130,551,886 2,052,500
Net addition (redemption), shares (3,500,000) 3,988,114 952,500
ProShares UltraShort Euro [Member]      
Addition, shares 300,000 2,200,000 1,050,000
Redemption, shares 1,500,000 1,750,000 1,300,000
Net addition (redemption), shares (1,200,000) 450,000 (250,000)
ProShares UltraShort Gold [Member]      
Addition, shares 800,000 1,600,000 2,050,000
Redemption, shares 850,000 1,950,000 1,850,000
Net addition (redemption), shares (50,000) (350,000) 200,000
ProShares UltraShort Silver [Member]      
Addition, shares 11,850,000 4,200,000 4,650,000
Redemption, shares 9,900,000 3,550,000 4,700,415
Net addition (redemption), shares 1,950,000 650,000 (50,415)
ProShares UltraShort Yen [Member]      
Addition, shares 550,000 1,300,000 400,000
Redemption, shares 600,000 1,500,000 500,000
Net addition (redemption), shares (50,000) (200,000) (100,000)
ProShares VIX Mid-Term Futures ETF [Member]      
Addition, shares 1,950,000 2,275,000 3,100,000
Redemption, shares 2,450,000 3,200,000 1,375,000
Net addition (redemption), shares (500,000) (925,000) 1,725,000
ProShares VIX Short-Term Futures ETF [Member]      
Addition, shares 13,260,000 8,100,000 4,521,250
Redemption, shares 7,785,618 6,990,000 2,021,001
Net addition (redemption), shares 5,474,382 1,110,000 2,500,249