v2.4.0.8
Statements of Changes in Shareholders' Equity (Parenthetical)
3 Months Ended
Mar. 31, 2014
ProShares UltraShort DJ-UBS Crude Oil [Member]
 
Addition, shares 7,700,000
Redemption, shares 4,600,000
Net addition (redemption), shares 3,100,000
ProShares UltraShort DJ-UBS Natural Gas [Member]
 
Addition, shares 2,100,000
Redemption, shares 750,000
Net addition (redemption), shares 1,350,000
ProShares UltraShort Gold [Member]
 
Addition, shares 300,000
Redemption, shares 350,000
Net addition (redemption), shares (50,000)
ProShares UltraShort Silver [Member]
 
Addition, shares 550,000
Redemption, shares 950,000
Net addition (redemption), shares (400,000)
ProShares Short Euro [Member]
 
Redemption, shares 50,000
Net addition (redemption), shares (50,000)
ProShares UltraShort Australian Dollar [Member]
 
Redemption, shares 100,000
Net addition (redemption), shares (100,000)
ProShares UltraShort Euro [Member]
 
Addition, shares 200,000
Redemption, shares 450,000
Net addition (redemption), shares (250,000)
ProShares UltraShort Yen [Member]
 
Addition, shares 150,000
Redemption, shares 2,450,000
Net addition (redemption), shares (2,300,000)
ProShares Ultra DJ-UBS Crude Oil [Member]
 
Addition, shares 4,350,000
Redemption, shares 5,850,000
Net addition (redemption), shares (1,500,000)
ProShares Ultra DJ-UBS Natural Gas [Member]
 
Addition, shares 200,000
Redemption, shares 1,350,000
Net addition (redemption), shares (1,150,000)
ProShares Ultra Gold [Member]
 
Addition, shares 100,000
Redemption, shares 400,000
Net addition (redemption), shares (300,000)
ProShares Ultra Silver [Member]
 
Addition, shares 787,500
Redemption, shares 740,974
Net addition (redemption), shares 46,526
ProShares VIX Short-Term Futures ETF [Member]
 
Addition, shares 1,475,000
Redemption, shares 6,775,000
Net addition (redemption), shares (5,300,000)
ProShares VIX Mid-Term Futures ETF [Member]
 
Addition, shares 1,100,000
Redemption, shares 625,000
Net addition (redemption), shares 475,000
ProShares Ultra VIX Short-Term Futures ETF [Member]
 
Addition, shares 4,775,000
Redemption, shares 2,877,290
Net addition (redemption), shares 1,897,710
ProShares Short VIX Short-Term Futures ETF [Member]
 
Addition, shares 2,850,000
Redemption, shares 1,500,000
Net addition (redemption), shares 1,350,000
ProShares Trust II [Member]
 
Addition, shares 26,637,500
Redemption, shares 29,818,264
Net addition (redemption), shares (3,180,764)