Schedule of Investments - Short-Term U.S. Government and Agency Obligations (Detail) - U.S. Government Agencies Short-term Debt Securities [Member] - USD ($)
|
Mar. 31, 2021 |
Dec. 31, 2020 |
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
$ 2,026,935,650
|
$ 1,034,986,384
|
| ProShares Short Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
999,973
|
|
| ProShares Short Euro [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
1,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
999,973
|
|
| ProShares Short VIX Short-Term Futures ETF [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
91,998,460
|
69,999,639
|
| ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.075% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
50,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
49,999,710
|
|
| ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
20,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
19,999,456
|
|
| ProShares Short VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.041% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
22,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
21,999,294
|
|
| ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
689,976,589
|
219,998,394
|
| ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.060% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
90,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
89,999,478
|
|
| ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.048% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
195,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
194,994,696
|
|
| ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.045% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
230,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
229,992,617
|
|
| ProShares Ultra Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.061% due 07/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
175,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
174,989,798
|
|
| ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
33,999,110
|
29,999,889
|
| ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.041% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
3,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
2,999,983
|
|
| ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.076% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
25,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
24,999,320
|
|
| ProShares Ultra Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.040% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
6,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
5,999,807
|
|
| ProShares Ultra Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
999,973
|
|
| ProShares Ultra Euro [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
1,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
999,973
|
|
| ProShares Ultra Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
86,998,893
|
74,999,467
|
| ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.069% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
60,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
59,999,651
|
|
| ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.070% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
22,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
21,999,402
|
|
| ProShares Ultra Gold [Member] | U.S. Treasury Bills 0.037% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
5,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
4,999,840
|
|
| ProShares Ultra Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
419,985,837
|
244,993,989
|
| ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.062% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
80,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
79,999,536
|
|
| ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.051% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
100,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
99,997,280
|
|
| ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.057% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
115,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
114,996,309
|
|
| ProShares Ultra Silver [Member] | U.S. Treasury Bills 0.056% due 07/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
125,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
124,992,712
|
|
| ProShares Ultra VIX Short-Term Futures ETF [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
376,985,173
|
244,995,969
|
| ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.061% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
100,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
99,997,280
|
|
| ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.063% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
77,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
76,999,553
|
|
| ProShares Ultra VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.051% due 07/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
200,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
199,988,340
|
|
| Proshares Ultra Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
499,986
|
|
| Proshares Ultra Yen [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
500,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
499,986
|
|
| ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
34,999,082
|
|
| ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.041% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
5,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
4,999,971
|
|
| ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
15,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
14,999,592
|
|
| ProShares UltraShort Bloomberg Crude Oil [Member] | U.S. Treasury Bills 0.042% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
15,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
14,999,519
|
|
| ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
43,998,801
|
9,999,861
|
| ProShares UltraShort Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.041% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
4,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
3,999,977
|
|
| ProShares UltraShort Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.047% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
22,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
21,999,402
|
|
| ProShares UltraShort Bloomberg Natural Gas [Member] | U.S. Treasury Bills 0.040% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
18,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
17,999,422
|
|
| ProShares UltraShort Euro [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
17,999,536
|
9,999,861
|
| ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.041% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
3,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
2,999,983
|
|
| ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[3] |
7,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[3] |
6,999,810
|
|
| ProShares UltraShort Euro [Member] | U.S. Treasury Bills 0.041% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
8,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
7,999,743
|
|
| ProShares UltraShort Gold [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
12,999,597
|
|
| ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
3,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
2,999,918
|
|
| ProShares UltraShort Gold [Member] | U.S. Treasury Bills 0.041% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
10,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
9,999,679
|
|
| ProShares UltraShort Silver [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
14,999,620
|
|
| ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.041% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
2,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
1,999,989
|
|
| ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.044% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
3,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
2,999,904
|
|
| ProShares UltraShort Silver [Member] | U.S. Treasury Bills 0.061% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1],[2] |
10,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1],[2] |
9,999,727
|
|
| ProShares UltraShort Yen [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
14,499,635
|
|
| ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.041% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
3,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
2,999,983
|
|
| ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
4,500,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
4,499,878
|
|
| ProShares UltraShort Yen [Member] | U.S. Treasury Bills 0.044% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
7,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
6,999,774
|
|
| ProShares VIX Mid-Term Futures ETF [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
31,999,153
|
44,999,732
|
| ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.041% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
5,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
4,999,971
|
|
| ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
10,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
9,999,728
|
|
| ProShares VIX Mid-Term Futures ETF [Member] | U.S. Treasury Bills 0.040% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
17,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
16,999,454
|
|
| ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Short-term U.S. government and agency obligations, value |
|
152,996,232
|
$ 84,999,583
|
| ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.086% due 05/20/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
18,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
17,999,510
|
|
| ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.067% due 04/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
65,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
64,999,623
|
|
| ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.040% due 06/17/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
45,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
44,998,556
|
|
| ProShares VIX Short-Term Futures ETF [Member] | U.S. Treasury Bills 0.075% due 07/15/21 [Member] |
|
|
|
| Schedule of Investments [Line Items] |
|
|
|
| Principal Amount |
[1] |
25,000,000
|
|
| Short-term U.S. government and agency obligations, value |
[1] |
$ 24,998,543
|
|
|
|