Schedule of Investments - Short-Term U.S. Government and Agency Obligations (Parenthetical) (Detail) - USD ($)
|
6 Months Ended |
|
Jun. 30, 2018 |
Dec. 31, 2017 |
| Schedule of Investments [Line Items] |
|
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 1,300,321,650
|
$ 2,445,970,899
|
| ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
68.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 5,686,543
|
6,996,595
|
| 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 |
|
18.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 92,995,995
|
494,962,509
|
| ProShares Ultra Bloomberg Crude Oil [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 agency obligations, cost |
|
$ 365,929,311
|
459,543,053
|
| ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
70.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 17,958,439
|
50,963,586
|
| ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
37.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 3,288,832
|
6,996,595
|
| ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
107.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 87,844,378
|
88,890,367
|
| ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
102.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 212,497,644
|
235,605,469
|
| ProShares Ultra Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
35.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 997,983
|
1,998,216
|
| ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
66.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 4,988,035
|
11,984,898
|
| ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
98.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 173,645,496
|
253,669,155
|
| ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
61.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 4,092,929
|
3,999,667
|
| ProShares UltraShort Euro [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 agency obligations, cost |
|
$ 141,643,132
|
204,788,208
|
| ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
87.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 22,952,432
|
31,979,626
|
| ProShares UltraShort Silver [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 agency obligations, cost |
|
$ 19,971,100
|
18,352,808
|
| ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
96.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 80,832,200
|
131,844,652
|
| ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
|
19.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 21,999,053
|
134,855,770
|
| 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 |
|
12.00%
|
|
| Total short-term U.S. government and agency obligations, cost |
|
$ 42,998,148
|
$ 287,546,397
|
| U.S Treasury Bills 1.771% due 07/19/18 [Member] | ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.771%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| U.S Treasury Bills 1.771% due 07/19/18 [Member] | ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.771%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.831%
|
|
| Debt instrument, maturity date |
[1],[2] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.831%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.831% due 08/02/18 [Member] | ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.871%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.871%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.871%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.871%
|
|
| Debt instrument, maturity date |
[1],[2] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares Ultra Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.871%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.871%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.871%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.871%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.871%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.871% due 08/09/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.871%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 09, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.907%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.907%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.907%
|
|
| Debt instrument, maturity date |
[1],[2] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.907%
|
|
| Debt instrument, maturity date |
[1],[2] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.907%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.907%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.907%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.907%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.886% due 09/13/18 [Member] | ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.886%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.886% due 09/13/18 [Member] | ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.886%
|
|
| Debt instrument, maturity date |
[1],[3] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.934%
|
|
| Debt instrument, maturity date |
[1] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.934%
|
|
| Debt instrument, maturity date |
[1],[3] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.934%
|
|
| Debt instrument, maturity date |
[1] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.934%
|
|
| Debt instrument, maturity date |
[1],[2] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
193.40%
|
|
| Debt instrument, maturity date |
[1],[2] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.934%
|
|
| Debt instrument, maturity date |
[1] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.934%
|
|
| Debt instrument, maturity date |
[1],[3] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.934%
|
|
| Debt instrument, maturity date |
[1] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
1.934%
|
|
| Debt instrument, maturity date |
[1],[4] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.934% due 10/11/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
1.934%
|
|
| Debt instrument, maturity date |
[1],[4] |
Oct. 11, 2018
|
|
| U.S. Treasury Bills 1.990% due 11/08/18 [Member] | ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.99%
|
|
| Debt instrument, maturity date |
[1] |
Nov. 08, 2018
|
|
| U.S. Treasury Bills 1.990% due 11/08/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.99%
|
|
| Debt instrument, maturity date |
[1],[3] |
Nov. 08, 2018
|
|
| U.S. Treasury Bills 1.990% due 11/08/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.99%
|
|
| Debt instrument, maturity date |
[1] |
Nov. 08, 2018
|
|
| U.S. Treasury Bills 1.990% due 11/08/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.99%
|
|
| Debt instrument, maturity date |
[1],[2] |
Nov. 08, 2018
|
|
| U.S. Treasury Bills 1.990% due 11/08/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.99%
|
|
| Debt instrument, maturity date |
[1],[2] |
Nov. 08, 2018
|
|
| U.S. Treasury Bills 1.990% due 11/08/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.99%
|
|
| Debt instrument, maturity date |
[1] |
Nov. 08, 2018
|
|
| U.S. Treasury Bills 1.990% due 11/08/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.99%
|
|
| Debt instrument, maturity date |
[1],[3] |
Nov. 08, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | 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 |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| U.S. Treasury Bills 1.741% due 07/05/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.741%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| U.S. Treasury Bills 1.741% due 07/05/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.741%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| U.S. Treasury Bills 1.741% due 07/05/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.741%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| U.S. Treasury Bills 1.741% due 07/05/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.741%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| U.S. Treasury Bills 1.741% due 07/05/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.741%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| U.S. Treasury Bills 1.741% due 07/05/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.741%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| U.S. Treasury Bills 1.787% due 07/19/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.787%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| U.S. Treasury Bills 1.884% due 08/16/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.884%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 16, 2018
|
|
| U.S. Treasury Bills 1.884% due 08/16/18 [Member] | ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.884%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 16, 2018
|
|
| U.S. Treasury Bills 1.884% due 08/16/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.884%
|
|
| Debt instrument, maturity date |
[1],[2] |
Aug. 16, 2018
|
|
| U.S. Treasury Bills 1.884% due 08/16/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.884%
|
|
| Debt instrument, maturity date |
[1],[2] |
Aug. 16, 2018
|
|
| U.S. Treasury Bills 1.884% due 08/16/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
1.884%
|
|
| Debt instrument, maturity date |
[1],[4] |
Aug. 16, 2018
|
|
| U.S. Treasury Bills 1.884% due 08/16/18 [Member] | ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.884%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 16, 2018
|
|
| U.S. Treasury Bills 1.884% due 08/16/18 [Member] | ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.884%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 16, 2018
|
|
| U.S. Treasury Bills 1.884% due 08/16/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
1.884%
|
|
| Debt instrument, maturity date |
[1],[4] |
Aug. 16, 2018
|
|
| U.S. Treasury Bills 1.907% due 08/30/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.907%
|
|
| Debt instrument, maturity date |
[1],[3] |
Aug. 30, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.888%
|
|
| Debt instrument, maturity date |
[1],[3] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.888%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.888%
|
|
| Debt instrument, maturity date |
[1],[2] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.888%
|
|
| Debt instrument, maturity date |
[1],[2] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.888%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.888%
|
|
| Debt instrument, maturity date |
[1],[3] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.888%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
1.888%
|
|
| Debt instrument, maturity date |
[1],[4] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.888% due 09/13/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
1.888%
|
|
| Debt instrument, maturity date |
[1],[4] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.895% due 09/27/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.895%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 27, 2018
|
|
| U.S. Treasury Bills 1.895% due 09/27/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.895%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 27, 2018
|
|
| U.S. Treasury Bills 1.895% due 09/27/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.895%
|
|
| Debt instrument, maturity date |
[1],[2] |
Sep. 27, 2018
|
|
| U.S. Treasury Bills 1.895% due 09/27/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.895%
|
|
| Debt instrument, maturity date |
[1],[2] |
Sep. 18, 2018
|
|
| U.S. Treasury Bills 1.895% due 09/27/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.895%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 27, 2018
|
|
| U.S. Treasury Bills 1.895% due 09/27/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.895%
|
|
| Debt instrument, maturity date |
[1],[3] |
Sep. 27, 2018
|
|
| U.S. Treasury Bills 1.895% due 09/27/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.895%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 27, 2018
|
|
| U.S. Treasury Bills 1.895% due 09/27/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
1.895%
|
|
| Debt instrument, maturity date |
[1],[4] |
Sep. 27, 2018
|
|
| U.S. Treasury Bills 1.946% due 10/25/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.946%
|
|
| Debt instrument, maturity date |
[1] |
Oct. 25, 2018
|
|
| U.S. Treasury Bills 1.946% due 10/25/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.946%
|
|
| Debt instrument, maturity date |
[1] |
Oct. 25, 2018
|
|
| U.S. Treasury Bills 1.946% due 10/25/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
1.946%
|
|
| Debt instrument, maturity date |
[1],[2] |
Oct. 25, 2018
|
|
| U.S. Treasury Bills 1.946% due 10/25/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
194.60%
|
|
| Debt instrument, maturity date |
[1],[2] |
Oct. 25, 2018
|
|
| U.S. Treasury Bills 1.946% due 10/25/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.946%
|
|
| Debt instrument, maturity date |
[1] |
Oct. 25, 2018
|
|
| U.S. Treasury Bills 1.946% due 10/25/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.946%
|
|
| Debt instrument, maturity date |
[1],[3] |
Oct. 25, 2018
|
|
| U.S. Treasury Bills 1.946% due 10/25/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
1.946%
|
|
| Debt instrument, maturity date |
[1],[4] |
Oct. 25, 2018
|
|
| U.S. Treasury Bills 2.036% due 11/23/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
2.036%
|
|
| Debt instrument, maturity date |
[1] |
Nov. 23, 2018
|
|
| U.S. Treasury Bills 2.036% due 11/23/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
2.036%
|
|
| Debt instrument, maturity date |
[1] |
Nov. 23, 2018
|
|
| U.S. Treasury Bills 2.036% due 11/23/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
2.036%
|
|
| Debt instrument, maturity date |
[1],[2] |
Nov. 23, 2018
|
|
| U.S. Treasury Bills 2.036% due 11/23/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
2.036%
|
|
| Debt instrument, maturity date |
[1] |
Nov. 23, 2018
|
|
| U.S. Treasury Bills 2.036% due 11/23/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
2.036%
|
|
| Debt instrument, maturity date |
[1] |
Nov. 23, 2018
|
|
| U.S. Treasury Bills 2.036% due 11/23/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
2.036%
|
|
| Debt instrument, maturity date |
[1] |
Nov. 23, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
2.049%
|
|
| Debt instrument, maturity date |
[1],[3] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
2.049%
|
|
| Debt instrument, maturity date |
[1],[2] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
2.049%
|
|
| Debt instrument, maturity date |
[1] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
2.049%
|
|
| Debt instrument, maturity date |
[1],[3] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
2.049%
|
|
| Debt instrument, maturity date |
[1] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
2.049%
|
|
| Debt instrument, maturity date |
[1],[4] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
2.049%
|
|
| Debt instrument, maturity date |
[1],[4] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 1.890% due 09/13/18 [Member] | ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.89%
|
|
| Debt instrument, maturity date |
[1] |
Sep. 13, 2018
|
|
| U.S. Treasury Bills 1.890% due 09/13/18 [Member] | ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
1.89%
|
|
| Debt instrument, maturity date |
[1],[3] |
Sep. 13, 2018
|
|
| United States Treasury Bills One Point Seven Three Seven Percentage Due July Five Two Thousand And Eighteen [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.737%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| U.S. Treasury Bills 1.795% due 07/19/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.795%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
2.049%
|
|
| Debt instrument, maturity date |
[1] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 2.049% due 12/06/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[2] |
2.049%
|
|
| Debt instrument, maturity date |
[1],[2] |
Dec. 06, 2018
|
|
| U.S. Treasury Bills 1.783% due 07/19/18 [Member] | ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.783%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| U.S. Treasury Bills 1.783% due 07/19/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.783%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| U.S. Treasury Bills 1.785% due 07/19/18 [Member] | ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.785%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| U.S. Treasury Bills 1.785% due 07/19/18 [Member] | ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.785%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| US Treasury Bills 1.737% due 07/05/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.737%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| US Treasury Bills 1.737% due 07/05/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.737%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| US Treasury Bills 1.737% due 07/05/18 [Member] | ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.737%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| United States Treasury Bills 1.792% due 07/19/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.792%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| US Treasury Bills 1.831% due 08/02/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| US Treasury Bills 1.831% due 08/02/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.831%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 02, 2018
|
|
| US Treasury Bills 1.871% due 08/09/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.871%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 09, 2018
|
|
| US Treasury Bills 1.871% due 08/09/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.871%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 09, 2018
|
|
| US Treasury Bills 1.907% due 08/30/18 [Member] | ProShares UltraShort Australian Dollar [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.907%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 30, 2018
|
|
| US Treasury Bills 1.907% due 08/30/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.907%
|
|
| Debt instrument, maturity date |
[1] |
Aug. 30, 2018
|
|
| United States Treasury Bills 1.786% due 07/19/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.786%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| United States Treasury Bills 2.036% due 11/23/18 [Member] | ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[3] |
2.036%
|
|
| Debt instrument, maturity date |
[1],[3] |
Nov. 23, 2018
|
|
| United States Treasury Bills 2.036% due 11/23/18 [Member] | ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1],[4] |
2.036%
|
|
| Debt instrument, maturity date |
[1],[4] |
Nov. 23, 2018
|
|
| US Treasury Bills 1.799% due 07/19/18 [Member] | ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.799%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| US Treasury Bills 1.743% due 07/05/18 [Member] | ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.743%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 05, 2018
|
|
| US Treasury Bills 1.771% due 07/19/18 [Member] | ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
1.771%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
| Federal Home Loan Discount Notes 1.551% due 07/02/18 [Member] | 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 |
[1] |
1.551%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 02, 2018
|
|
| US Treasury Bills One Point Seven Nine Five Percentage Due July Nineteen Two Thousand and Eighteen [Member] | ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations percentage of shareholders' equity |
[1] |
0.01792%
|
|
| Debt instrument, maturity date |
[1] |
Jul. 19, 2018
|
|
|
|