v2.4.0.8

Schedule of Investments - Short-Term U.S. Government and Agency Obligations (Detail) (USD $) | 3 Months Ended
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Mar. 31, 2014
ProShares UltraShort DJ-UBS Commodity [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 76.00% |
Total short-term U.S. government and Value | $ 2,486,733 |
ProShares UltraShort DJ-UBS Commodity [Member] | U.S. Treasury Bills 0.061% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 273,000 | [1]
Total short-term U.S. government and Value | 272,999 | [1]
ProShares UltraShort DJ-UBS Commodity [Member] | U.S. Treasury Bills 0.046% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 291,000 |
Total short-term U.S. government and Value | 290,989 |
ProShares UltraShort DJ-UBS Commodity [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,046,000 | [1]
Total short-term U.S. government and Value | 1,045,942 | [1]
ProShares UltraShort DJ-UBS Commodity [Member] | U.S. Treasury Bills 0.070% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 877,000 | [1]
Total short-term U.S. government and Value | 876,803 | [1]
ProShares UltraShort DJ-UBS Crude Oil [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 91.00% |
Total short-term U.S. government and Value | 288,258,596 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.061% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 16,690,000 |
Total short-term U.S. government and Value | 16,689,916 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U,.S. Treasury Bills 0.075% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,678,000 |
Total short-term U.S. government and Value | 4,677,997 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.080% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 39,596,000 |
Total short-term U.S. government and Value | 39,595,472 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.093% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,000,000 |
Total short-term U.S. government and Value | 1,999,962 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.080% due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,659,000 | [1]
Total short-term U.S. government and Value | 6,658,861 | [1]
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.088% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,477,000 | [1]
Total short-term U.S. government and Value | 2,476,924 | [1]
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.034% due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,973,000 |
Total short-term U.S. government and Value | 5,972,831 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S.Treasury Bills 0.076% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,200,000 |
Total short-term U.S. government and Value | 5,199,812 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.043% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 8,778,000 |
Total short-term U.S. government and Value | 8,777,649 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.054% due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 17,571,000 |
Total short-term U.S. government and Value | 17,570,036 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.046% due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 52,337,000 | [1]
Total short-term U.S. government and Value | 52,332,624 | [1]
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.049% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 78,529,000 | [1]
Total short-term U.S. government and Value | 78,520,275 | [1]
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S.Treasury Bills 0.056% due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 18,387,000 |
Total short-term U.S. government and Value | 18,383,731 |
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.068% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 7,835,000 | [1]
Total short-term U.S. government and Value | 7,833,237 | [1]
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S.Treasury Bills 0.071% Due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 19,164,000 | [1]
Total short-term U.S. government and Value | 19,159,843 | [1]
ProShares UltraShort DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.071% Due 09/04/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,410,000 | [1]
Total short-term U.S. government and Value | 2,409,426 | [1]
ProShares UltraShort DJ-UBS Natural Gas [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 77.00% |
Total short-term U.S. government and Value | 56,753,250 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.059% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 675,000 |
Total short-term U.S. government and Value | 674,997 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.075% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 522,000 |
Total short-term U.S. government and Value | 521,993 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.081% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 765,000 |
Total short-term U.S. government and Value | 764,984 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.068% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,406,000 |
Total short-term U.S. government and Value | 2,405,926 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S.Treasury Bills 0.036% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,161,000 |
Total short-term U.S. government and Value | 1,160,967 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S Treasury Bills 0.047% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 11,605,000 |
Total short-term U.S. government and Value | 11,604,536 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.049% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 12,703,000 |
Total short-term U.S. government and Value | 12,702,303 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S.Treasury Bills 0.045% Due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,920,000 |
Total short-term U.S. government and Value | 1,919,839 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.050% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,172,000 |
Total short-term U.S. government and Value | 1,171,870 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.050% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,991,000 |
Total short-term U.S. government and Value | 2,990,468 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.067% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 13,863,000 |
Total short-term U.S. government and Value | 13,859,881 |
ProShares UltraShort DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.072% Due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,977,000 |
Total short-term U.S. government and Value | 6,975,486 |
ProShares UltraShort Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 92.00% |
Total short-term U.S. government and Value | 105,840,656 |
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.070% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,275,000 | [2]
Total short-term U.S. government and Value | 4,274,038 | [2]
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.070% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,643,000 |
Total short-term U.S. government and Value | 6,642,996 |
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.070% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,971,000 |
Total short-term U.S. government and Value | 1,970,959 |
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.075% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 19,357,000 | [2]
Total short-term U.S. government and Value | 19,356,403 | [2]
ProShares UltraShort Gold [Member] | U.S. Treasury Bills Zero 0.054% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 16,065,000 | [2]
Total short-term U.S. government and Value | 16,064,420 | [2]
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.037% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 8,806,000 | [2]
Total short-term U.S. government and Value | 8,805,648 | [2]
ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.070% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,960,000 | [2]
Total short-term U.S. government and Value | 6,959,618 | [2]
ProShares UltraShort Gold [Member] | U.S Treasury Bills 0.058% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 41,774,000 | [2]
Total short-term U.S. government and Value | 41,766,574 | [2]
ProShares UltraShort Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 95.00% |
Total short-term U.S. government and Value | 67,188,850 |
ProShares UltraShort Silver [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 21,402,000 | [2]
Total short-term U.S. government and Value | 21,400,826 | [2]
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.070% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 7,040,000 | [2]
Total short-term U.S. government and Value | 7,038,416 | [2]
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.043% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,077,000 |
Total short-term U.S. government and Value | 4,076,837 |
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.081% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 11,629,000 | [2]
Total short-term U.S. government and Value | 11,628,758 | [2]
ProShares UltraShort Silver [Member] | U.S Treasury Bills 0.058% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 7,482,000 | [2]
Total short-term U.S. government and Value | 7,480,670 | [2]
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.074% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,251,000 |
Total short-term U.S. government and Value | 4,250,943 |
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.052% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,530,000 | [2]
Total short-term U.S. government and Value | 4,529,872 | [2]
ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.073% Due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,784,000 | [2]
Total short-term U.S. government and Value | 6,782,528 | [2]
ProShares Short Euro [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 88.00% |
Total short-term U.S. government and Value | 6,227,257 |
ProShares Short Euro [Member] | U.S. Treasury Bills 0.046% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,485,000 |
Total short-term U.S. government and Value | 1,484,946 |
ProShares Short Euro [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 411,000 |
Total short-term U.S. government and Value | 410,978 |
ProShares Short Euro [Member] | U.S.Treasury Bills 0.071% Due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,789,000 |
Total short-term U.S. government and Value | 2,788,395 |
ProShares Short Euro [Member] | U.S. Treasury Bills 0.086% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,543,000 |
Total short-term U.S. government and Value | 1,542,938 |
ProShares UltraShort Australian Dollar [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 91.00% |
Total short-term U.S. government and Value | 19,227,467 |
ProShares UltraShort Australian Dollar [Member] | U.S. Treasury Bills 0.088% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,324,000 |
Total short-term U.S. government and Value | 2,323,928 |
ProShares UltraShort Australian Dollar [Member] | U.S. Treasury Bills 0.073% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 659,000 |
Total short-term U.S. government and Value | 659,000 |
ProShares UltraShort Australian Dollar [Member] | U.S. Treasury Bills 0.066% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,269,000 |
Total short-term U.S. government and Value | 1,268,983 |
ProShares UltraShort Australian Dollar [Member] | U.S. Treasury Bills 0.085% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 651,000 |
Total short-term U.S. government and Value | 650,988 |
ProShares UltraShort Australian Dollar [Member] | U.S. Treasury Bills 0.076% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,167,000 |
Total short-term U.S. government and Value | 2,166,955 |
ProShares UltraShort Australian Dollar [Member] | U.S. Treasury Bills 0.067% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 9,779,000 |
Total short-term U.S. government and Value | 9,778,723 |
ProShares UltraShort Australian Dollar [Member] | U.S. Treasury Bills 0.045% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,399,000 |
Total short-term U.S. government and Value | 1,398,944 |
ProShares UltraShort Australian Dollar [Member] | U.S. Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 980,000 |
Total short-term U.S. government and Value | 979,946 |
ProShares UltraShort Euro [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 101.00% |
Total short-term U.S. government and Value | 414,310,854 |
ProShares UltraShort Euro [Member] | U.S.Treasury Bills 0.071% Due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 85,187,000 | [3]
Total short-term U.S. government and Value | 85,168,519 | [3]
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.081% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 59,285,000 |
Total short-term U.S. government and Value | 59,283,765 |
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.050% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 32,975,000 | [3]
Total short-term U.S. government and Value | 32,971,336 | [3]
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.070% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 39,196,000 |
Total short-term U.S. government and Value | 39,195,978 |
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.086% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 8,036,000 | [3]
Total short-term U.S. government and Value | 8,035,679 | [3]
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.083% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 81,810,000 | [3]
Total short-term U.S. government and Value | 81,807,478 | [3]
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.066% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 7,838,000 |
Total short-term U.S. government and Value | 7,836,607 |
ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.061% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 100,034,000 |
Total short-term U.S. government and Value | 100,011,492 |
ProShares UltraShort Yen [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 99.00% |
Total short-term U.S. government and Value | 400,736,540 |
ProShares UltraShort Yen [Member] | U.S.Treasury Bills 0.076% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 79,259,000 |
Total short-term U.S. government and Value | 79,256,138 |
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.050% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 15,472,000 | [3]
Total short-term U.S. government and Value | 15,470,281 | [3]
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.052% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 38,964,000 |
Total short-term U.S. government and Value | 38,962,896 |
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.086% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 99,596,000 | [3]
Total short-term U.S. government and Value | 99,592,016 | [3]
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.087% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 31,984,000 |
Total short-term U.S. government and Value | 31,983,574 |
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.093% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 13,705,000 |
Total short-term U.S. government and Value | 13,704,714 |
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.086% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 19,927,000 | [3]
Total short-term U.S. government and Value | 19,926,386 | [3]
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.061% Due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 85,148,000 | [3]
Total short-term U.S. government and Value | 85,140,881 | [3]
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.057% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 9,148,000 | [3]
Total short-term U.S. government and Value | 9,146,374 | [3]
ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.070% Due 08/28/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 7,555,000 | [3]
Total short-term U.S. government and Value | 7,553,280 | [3]
ProShares Ultra DJ-UBS Commodity [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 73.00% |
Total short-term U.S. government and Value | 2,410,896 |
ProShares Ultra DJ-UBS Commodity [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,056,000 | [1]
Total short-term U.S. government and Value | 1,055,942 | [1]
ProShares Ultra DJ-UBS Commodity [Member] | U.S. Treasury Bills 0.081% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 192,000 | [1]
Total short-term U.S. government and Value | 191,996 | [1]
ProShares Ultra DJ-UBS Commodity [Member] | U.S. Treasury Bills 0.066% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,163,000 | [1]
Total short-term U.S. government and Value | 1,162,958 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 110.00% |
Total short-term U.S. government and Value | 112,053,990 |
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.080% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 10,491,000 | [1]
Total short-term U.S. government and Value | 10,490,860 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S.Treasury Bills 0.076% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 424,000 |
Total short-term U.S. government and Value | 423,985 |
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.049% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 15,048,000 | [1]
Total short-term U.S. government and Value | 15,046,328 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.073% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 764,000 |
Total short-term U.S. government and Value | 764,000 |
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.085% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,277,000 |
Total short-term U.S. government and Value | 1,276,976 |
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.070% Due 08/28/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 17,224,000 | [1]
Total short-term U.S. government and Value | 17,220,079 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.077% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,830,000 |
Total short-term U.S. government and Value | 6,829,966 |
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.082% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,257,000 | [1]
Total short-term U.S. government and Value | 5,256,890 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.035% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 11,681,000 | [1]
Total short-term U.S. government and Value | 11,680,640 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.037% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 11,090,000 | [1]
Total short-term U.S. government and Value | 11,089,686 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.035% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 7,934,000 | [1]
Total short-term U.S. government and Value | 7,933,683 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.056% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 10,110,000 | [1]
Total short-term U.S. government and Value | 10,109,445 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.035% Due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,538,000 |
Total short-term U.S. government and Value | 1,537,871 |
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.060% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,913,000 | [1]
Total short-term U.S. government and Value | 6,911,771 | [1]
ProShares Ultra DJ-UBS Crude Oil [Member] | U.S. Treasury Bills 0.067% Due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,483,000 | [1]
Total short-term U.S. government and Value | 5,481,810 | [1]
ProShares Ultra DJ-UBS Natural Gas [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 86.00% |
Total short-term U.S. government and Value | 18,277,978 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.061% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,896,000 |
Total short-term U.S. government and Value | 4,895,976 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.080% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 43,000 |
Total short-term U.S. government and Value | 42,999 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S.Treasury Bills 0.076% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 259,000 |
Total short-term U.S. government and Value | 258,991 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.049% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,226,000 |
Total short-term U.S. government and Value | 2,225,753 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.093% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 222,000 |
Total short-term U.S. government and Value | 221,995 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.057% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,361,000 |
Total short-term U.S. government and Value | 1,360,758 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.035% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 958,000 |
Total short-term U.S. government and Value | 957,970 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S.Treasury Bills 0.074% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 742,000 |
Total short-term U.S. government and Value | 742,000 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.082% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 3,354,000 |
Total short-term U.S. government and Value | 3,353,936 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.058% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,521,000 |
Total short-term U.S. government and Value | 2,520,929 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.048% Due 06/12/1 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 289,000 |
Total short-term U.S. government and Value | 288,988 |
ProShares Ultra DJ-UBS Natural Gas [Member] | U.S. Treasury Bills 0.073% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,408,000 |
Total short-term U.S. government and Value | 1,407,683 |
ProShares Ultra Gold [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 109.00% |
Total short-term U.S. government and Value | 148,339,252 |
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.046% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 19,572,000 |
Total short-term U.S. government and Value | 19,571,293 |
ProShares Ultra Gold [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 41,501,000 | [2]
Total short-term U.S. government and Value | 41,498,723 | [2]
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.080% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 10,244,000 | [2]
Total short-term U.S. government and Value | 10,243,864 | [2]
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.086% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 334,000 |
Total short-term U.S. government and Value | 333,987 |
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.057% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 44,403,000 | [2]
Total short-term U.S. government and Value | 44,395,106 | [2]
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.070% Due 08/28/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 19,094,000 | [2]
Total short-term U.S. government and Value | 19,089,653 | [2]
ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.070% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 13,207,000 | [2]
Total short-term U.S. government and Value | 13,206,626 | [2]
ProShares Ultra Silver [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 110.00% |
Total short-term U.S. government and Value | 530,701,182 |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.046% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 26,127,000 |
Total short-term U.S. government and Value | 26,126,057 |
ProShares Ultra Silver [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 89,531,000 | [2]
Total short-term U.S. government and Value | 89,526,088 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.070% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 11,706,000 | [2]
Total short-term U.S. government and Value | 11,703,366 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.080% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 119,398,000 | [2]
Total short-term U.S. government and Value | 119,396,408 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.093% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,451,000 | [2]
Total short-term U.S. government and Value | 2,450,953 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.088% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,528,000 | [2]
Total short-term U.S. government and Value | 5,527,830 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.071% Due 09/04/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 3,781,000 | [2]
Total short-term U.S. government and Value | 3,780,099 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.070% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 14,766,000 |
Total short-term U.S. government and Value | 14,765,992 |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.093% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,934,000 |
Total short-term U.S. government and Value | 2,933,939 |
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.070% Due 08/28/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 46,560,000 | [2]
Total short-term U.S. government and Value | 46,549,401 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.066% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 7,392,000 | [2]
Total short-term U.S. government and Value | 7,391,963 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.033% due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 177,607,000 | [2]
Total short-term U.S. government and Value | 177,601,968 | [2]
ProShares Ultra Silver [Member] | U.S.Treasury Bills 0.046% due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 17,973,000 | [2]
Total short-term U.S. government and Value | 17,971,003 | [2]
ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.067% due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,977,000 | [2]
Total short-term U.S. government and Value | 4,976,115 | [2]
ProShares Ultra Australian Dollar [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 81.00% |
Total short-term U.S. government and Value | 2,775,892 |
ProShares Ultra Australian Dollar [Member] | U.S. Treasury Bills 0.046% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 242,000 |
Total short-term U.S. government and Value | 241,991 |
ProShares Ultra Australian Dollar [Member] | U.S. Treasury Bills 0.086% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,448,000 |
Total short-term U.S. government and Value | 2,447,902 |
ProShares Ultra Australian Dollar [Member] | U.S. Treasury Bills 0.065% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 86,000 |
Total short-term U.S. government and Value | 85,999 |
ProShares Ultra Euro [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 89.00% |
Total short-term U.S. government and Value | 2,307,737 |
ProShares Ultra Euro [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 467,000 | [3]
Total short-term U.S. government and Value | 466,974 | [3]
ProShares Ultra Euro [Member] | U.S. Treasury Bills 0.060% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,203,000 |
Total short-term U.S. government and Value | 1,202,786 |
ProShares Ultra Euro [Member] | U.S. Treasury Bills 0.061% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 638,000 | [3]
Total short-term U.S. government and Value | 637,977 | [3]
ProShares Ultra Yen [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 85.00% |
Total short-term U.S. government and Value | 2,471,851 |
ProShares Ultra Yen [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 310,000 |
Total short-term U.S. government and Value | 309,983 |
ProShares Ultra Yen [Member] | U.S.Treasury Bills 0.045% Due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 446,000 |
Total short-term U.S. government and Value | 445,962 |
ProShares Ultra Yen [Member] | U.S. Treasury Bills 0.050% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 361,000 | [3]
Total short-term U.S. government and Value | 360,960 | [3]
ProShares Ultra Yen [Member] | U.S. Treasury Bills 0.086% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,355,000 | [3]
Total short-term U.S. government and Value | 1,354,946 | [3]
ProShares VIX Short-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 80.00% |
Total short-term U.S. government and Value | 94,150,810 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.046% Due 06/05/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 8,612,000 |
Total short-term U.S. government and Value | 8,611,689 |
ProShares VIX Short-Term Futures ETF [Member] | U,.S. Treasury Bills 0.075% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 380,000 |
Total short-term U.S. government and Value | 380,000 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.068% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,126,000 |
Total short-term U.S. government and Value | 2,125,934 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.045% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 15,734,000 |
Total short-term U.S. government and Value | 15,733,371 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.035% Due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,539,000 |
Total short-term U.S. government and Value | 2,538,788 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.067% Due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,099,000 |
Total short-term U.S. government and Value | 4,098,111 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.082% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,895,000 |
Total short-term U.S. government and Value | 4,894,906 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.067% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 10,572,000 |
Total short-term U.S. government and Value | 10,571,947 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.077% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 826,000 |
Total short-term U.S. government and Value | 825,989 |
ProShares VIX Short-Term Futures ETF [Member] | U.S Treasury Bills 0.048% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,424,000 |
Total short-term U.S. government and Value | 1,423,842 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.055% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,843,000 |
Total short-term U.S. government and Value | 5,841,961 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.069% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 8,826,000 |
Total short-term U.S. government and Value | 8,824,014 |
ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.066% Due 09/04/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 28,287,000 |
Total short-term U.S. government and Value | 28,280,258 |
ProShares VIX Mid-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 84.00% |
Total short-term U.S. government and Value | 48,695,771 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.071% Due 09/04/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,470,000 |
Total short-term U.S. government and Value | 1,469,650 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.050% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 18,548,000 |
Total short-term U.S. government and Value | 18,545,939 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.066% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 164,000 |
Total short-term U.S. government and Value | 163,998 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.045% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,198,000 |
Total short-term U.S. government and Value | 5,197,792 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.086% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 58,000 |
Total short-term U.S. government and Value | 57,998 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.057% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 3,780,000 |
Total short-term U.S. government and Value | 3,779,328 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.067% Due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,464,000 |
Total short-term U.S. government and Value | 2,463,466 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.069% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 3,328,000 |
Total short-term U.S. government and Value | 3,327,251 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.071% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 3,040,000 |
Total short-term U.S. government and Value | 3,039,985 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.077% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,053,000 |
Total short-term U.S. government and Value | 2,052,957 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.045% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,282,000 |
Total short-term U.S. government and Value | 2,281,935 |
ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.037% Due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,316,000 |
Total short-term U.S. government and Value | 6,315,472 |
ProShares Ultra VIX Short-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 55.00% |
Total short-term U.S. government and Value | 173,853,508 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S.Treasury Bills 0.045% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,780,000 |
Total short-term U.S. government and Value | 5,779,683 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U,.S. Treasury Bills 0.075% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 3,793,000 |
Total short-term U.S. government and Value | 3,792,998 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.087% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,764,000 |
Total short-term U.S. government and Value | 6,763,910 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.035% Due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 11,665,000 |
Total short-term U.S. government and Value | 11,664,025 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.069% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,808,000 |
Total short-term U.S. government and Value | 2,807,368 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.068% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 5,109,000 |
Total short-term U.S. government and Value | 5,108,974 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.091% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,000 |
Total short-term U.S. government and Value | 6,000 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.054% Due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 7,121,000 |
Total short-term U.S. government and Value | 7,119,734 |
ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.063% Due 09/04/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 130,842,000 |
Total short-term U.S. government and Value | 130,810,816 |
ProShares Short VIX Short-Term Futures ETF [Member] |  |
Schedule of Investments [Line Items] |  |
Short-term U.S. government and agency obligations percentage of shareholders' equity | 79.00% |
Total short-term U.S. government and Value | 169,490,113 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.043% Due 06/12/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,104,000 |
Total short-term U.S. government and Value | 6,103,756 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.046% due 06/26/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 13,164,000 |
Total short-term U.S. government and Value | 13,162,899 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.068% Due 08/14/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,688,000 |
Total short-term U.S. government and Value | 1,687,620 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.081% Due 05/01/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,968,000 |
Total short-term U.S. government and Value | 4,967,897 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.049% Due 06/19/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 23,815,000 |
Total short-term U.S. government and Value | 23,813,694 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.050% Due 07/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 22,266,000 |
Total short-term U.S. government and Value | 22,263,526 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.073% Due 04/03/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 3,156,000 |
Total short-term U.S. government and Value | 3,155,998 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.070% Due 08/28/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 8,909,000 |
Total short-term U.S. government and Value | 8,906,972 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.068% Due 04/10/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,065,000 |
Total short-term U.S. government and Value | 6,064,970 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.070% Due 04/17/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 12,309,000 |
Total short-term U.S. government and Value | 12,308,836 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.084% Due 04/24/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 6,658,000 |
Total short-term U.S. government and Value | 6,657,872 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.047% Due 05/08/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 2,760,000 |
Total short-term U.S. government and Value | 2,759,915 |
ProShares Short VIX Short-Term Futures ETF [Member] | US Treasury Bills 0.059% Due 05/22/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 12,906,000 |
Total short-term U.S. government and Value | 12,905,634 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.053% due 08/07/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 1,477,000 |
Total short-term U.S. government and Value | 1,476,737 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.069% due 08/21/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 4,573,000 |
Total short-term U.S. government and Value | 4,572,008 |
ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.061% Due 09/04/14 [Member] |  |
Schedule of Investments [Line Items] |  |
Principal amount | 38,691,000 |
Total short-term U.S. government and Value | $ 38,681,779 |
[1] | All or partial amount pledged as collateral for swap agreements.
[2] | All or partial amount pledged as collateral for forward agreements.
[3] | All or partial amount pledged as collateral for foreign currency forward contracts.

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