v3.24.3

Organization - Schedule of Reclassifications in Financial Statement (Detail) - USD ($) | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Aug. 04, 2024 | Dec. 31, 2023
Total assets | $ 3,308,456,807 |  |  | $ 3,370,218,607
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities | 187,301,467 |  |  | 87,386,481
Total liabilities and shareholders' equity | 3,308,456,807 |  |  | 3,370,218,607
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (12,140,043) | $ 4,229,051 |  |
Increase (Decrease) in payable on open futures contracts | 9,735,619 | 13,840,976 |  |
Net cash provided by (used in) operating activities | (857,648,011) | (1,508,390,579) |  |
Net increase (decrease) in cash | (1,049,022,249) | 88,166,766 |  |
Cash, beginning of period | 2,597,706,107 | 2,276,152,772 |  |
Cash, end of period | 1,548,683,858 | 2,364,319,538 |  |
Future [Member] |  |  |  |
Segregated cash balances | 632,703,644 |  |  | 1,029,381,720
Receivable on open futures contracts | 41,862,726 |  |  | 29,722,683
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts | 47,791,682 |  |  | 38,056,063
Proshares Short Vix Short Term Futures Etf [Member] |  |  |  |
Total assets | 301,074,669 |  |  | 283,412,719
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities | 2,362,154 |  |  | 16,228,360
Total liabilities and shareholders' equity | 301,074,669 |  |  | 283,412,719
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | 7,590,582 | 32,523,950 |  |
Increase (Decrease) in payable on open futures contracts | 1,683,430 | 0 |  |
Net cash provided by (used in) operating activities | 1,006,416 | 197,751,695 |  |
Net increase (decrease) in cash | (34,423,788) | 23,903,159 |  |
Cash, beginning of period | 162,331,287 | 160,907,259 |  |
Cash, end of period | 127,907,499 | 184,810,418 |  |
Proshares Short Vix Short Term Futures Etf [Member] | Future [Member] |  |  |  |
Segregated cash balances | 94,220,318 |  |  | 107,839,052
Receivable on open futures contracts | 3,623,578 |  |  | 11,214,160
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts | 2,131,041 |  |  | 447,611
Proshares Ultra Bloomberg Natural Gas [Member] |  |  |  |
Total assets | 585,322,157 |  | $ 585,322,157 | 771,781,066
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities | 44,678,336 |  | 44,678,336 | 41,888,258
Total liabilities and shareholders' equity | 585,322,157 |  | 585,322,157 | 771,781,066
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | 0 | (51,507,351) |  |
Increase (Decrease) in payable on open futures contracts | 22,386,869 | 8,464,653 |  |
Net cash provided by (used in) operating activities | (130,893,751) | (1,188,328,071) |  |
Net increase (decrease) in cash | (195,371,563) | 431,253,214 |  |
Cash, beginning of period | 701,114,381 | 327,716,484 |  |
Cash, end of period | 505,742,818 | 758,969,698 |  |
Proshares Ultra Bloomberg Natural Gas [Member] | Future [Member] |  |  |  |
Segregated cash balances | 170,641,492 |  | 170,641,492 | 374,861,689
Receivable on open futures contracts | 0 |  | 0 | 0
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts | 44,230,752 |  | 44,230,752 | 21,843,883
Proshares Ultra VIX Short Term Futures ETF [Member] |  |  |  |
Total assets | 232,336,529 |  |  | 348,895,464
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities | 201,331 |  |  | 339,721
Total liabilities and shareholders' equity | 232,336,529 |  |  | 348,895,464
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | 963,625 | 20,607,263 |  |
Increase (Decrease) in payable on open futures contracts | 0 | 2,285,649 |  |
Net cash provided by (used in) operating activities | (169,291,566) | (589,400,429) |  |
Net increase (decrease) in cash | (165,067,276) | (193,858,345) |  |
Cash, beginning of period | 337,411,617 | 583,213,839 |  |
Cash, end of period | 172,344,341 | 389,355,494 |  |
Proshares Ultra VIX Short Term Futures ETF [Member] | Future [Member] |  |  |  |
Segregated cash balances | 137,403,639 |  |  | 250,795,661
Receivable on open futures contracts | 9,596,074 |  |  | 10,559,699
Proshares Ultra Short Bloomberg Natural Gas [Member] |  |  |  |
Total assets | 152,371,995 |  |  | 150,678,006
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities | 5,079,568 |  |  | 9,714,914
Total liabilities and shareholders' equity | 152,371,995 |  |  | 150,678,006
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (3,695,357) | (4,797,173) |  |
Increase (Decrease) in payable on open futures contracts | (9,569,329) | 6,151,798 |  |
Net cash provided by (used in) operating activities | (56,408,348) | 155,383,354 |  |
Net increase (decrease) in cash | (81,755,778) | 41,601,461 |  |
Cash, beginning of period | 136,172,565 | 77,441,180 |  |
Cash, end of period | 54,416,787 | 119,042,641 |  |
Proshares Ultra Short Bloomberg Natural Gas [Member] | Future [Member] |  |  |  |
Segregated cash balances | 45,237,761 |  |  | 62,890,001
Receivable on open futures contracts | 8,141,559 |  |  | 4,446,202
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts | 26,716 |  |  | 9,596,045
Proshares VIX Short Term Futures ETF [Member] |  |  |  |
Total assets | 148,478,546 |  |  | 157,404,856
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities | 58,518 |  |  | 83,110
Total liabilities and shareholders' equity | 148,478,546 |  |  | 157,404,856
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (2,310,106) | 2,384,188 |  |
Increase (Decrease) in payable on open futures contracts | (580) | 2,179,767 |  |
Net cash provided by (used in) operating activities | (57,112,967) | (171,186,658) |  |
Net increase (decrease) in cash | (16,327,131) | (17,821,047) |  |
Cash, beginning of period | 95,126,975 | 175,279,856 |  |
Cash, end of period | 78,799,844 | 157,458,809 |  |
Proshares VIX Short Term Futures ETF [Member] | Future [Member] |  |  |  |
Segregated cash balances | 57,448,807 |  |  | 72,849,393
Receivable on open futures contracts | 4,672,943 |  |  | 2,362,837
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts | 0 |  |  | 580
Adjustment [Member] |  |  |  |
Total assets | 4,651,162 |  |  | 10,775,317
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities | 4,651,162 |  |  | 10,775,317
Total liabilities and shareholders' equity | 4,651,162 |  |  | 10,775,317
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (125,447,933) | (282,094,293) |  |
Increase (Decrease) in payable on open futures contracts | (6,124,155) | 11,150,340 |  |
Net cash provided by (used in) operating activities | (131,572,088) | (270,943,953) |  |
Net increase (decrease) in cash | (131,572,088) | (270,943,953) |  |
Cash, beginning of period | 218,663,282 | 449,385,156 |  |
Cash, end of period | 87,091,194 | 178,441,203 |  |
Adjustment [Member] | Future [Member] |  |  |  |
Segregated cash balances | 87,091,194 |  |  | 218,663,282
Receivable on open futures contracts | (82,440,032) |  |  | (207,887,965)
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts | 4,651,162 |  |  | 10,775,317
Adjustment [Member] | Proshares Short Vix Short Term Futures Etf [Member] |  |  |  |
Total assets |  |  |  | 74,931
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities |  |  |  | 74,931
Total liabilities and shareholders' equity |  |  |  | 74,931
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (14,991,505) | (15,737,458) |  |
Increase (Decrease) in payable on open futures contracts | (74,931) |  |  |
Net cash provided by (used in) operating activities | (15,066,436) | (15,737,458) |  |
Net increase (decrease) in cash | (15,066,436) | (15,737,458) |  |
Cash, beginning of period | 19,191,436 | 26,960,318 |  |
Cash, end of period | 4,125,000 | 11,222,860 |  |
Adjustment [Member] | Proshares Short Vix Short Term Futures Etf [Member] | Future [Member] |  |  |  |
Segregated cash balances | 4,125,000 |  |  | 19,191,436
Receivable on open futures contracts | (4,125,000) |  |  | (19,116,505)
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts |  |  |  | 74,931
Adjustment [Member] | Proshares Ultra Bloomberg Natural Gas [Member] |  |  |  |
Total assets |  |  | 4,651,162 | 1,104,341
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities |  |  | 4,651,162 | 1,104,341
Total liabilities and shareholders' equity |  |  | 4,651,162 | 1,104,341
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (82,552,168) | (83,600,796) |  |
Increase (Decrease) in payable on open futures contracts | 3,546,821 | 10,300,096 |  |
Net cash provided by (used in) operating activities | (79,005,347) | (73,300,700) |  |
Net increase (decrease) in cash | (79,005,347) | (73,300,700) |  |
Cash, beginning of period | 118,272,358 | 150,981,820 |  |
Cash, end of period | 39,267,011 | 77,681,120 |  |
Adjustment [Member] | Proshares Ultra Bloomberg Natural Gas [Member] | Future [Member] |  |  |  |
Segregated cash balances |  |  | 39,267,011 | 118,272,358
Receivable on open futures contracts |  |  | (34,615,849) | (117,168,017)
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts |  |  | 4,651,162 | 1,104,341
Adjustment [Member] | Proshares Ultra VIX Short Term Futures ETF [Member] |  |  |  |
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (23,370,463) | (138,417,492) |  |
Increase (Decrease) in payable on open futures contracts |  | 578,252 |  |
Net cash provided by (used in) operating activities | (23,370,463) | (137,839,240) |  |
Net increase (decrease) in cash | (23,370,463) | (137,839,240) |  |
Cash, beginning of period | 39,950,507 | 188,366,332 |  |
Cash, end of period | 16,580,044 | 50,527,092 |  |
Adjustment [Member] | Proshares Ultra VIX Short Term Futures ETF [Member] | Future [Member] |  |  |  |
Segregated cash balances | 16,580,044 |  |  | 39,950,507
Receivable on open futures contracts | (16,580,044) |  |  | (39,950,507)
Adjustment [Member] | Proshares Ultra Short Bloomberg Natural Gas [Member] |  |  |  |
Total assets |  |  |  | 9,596,045
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities |  |  |  | 9,596,045
Total liabilities and shareholders' equity |  |  |  | 9,596,045
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (320,261) | (12,585,320) |  |
Increase (Decrease) in payable on open futures contracts | (9,596,045) | 0 |  |
Net cash provided by (used in) operating activities | (9,916,306) | (12,585,320) |  |
Net increase (decrease) in cash | (9,916,306) | (12,585,320) |  |
Cash, beginning of period | 27,563,925 | 32,958,640 |  |
Cash, end of period | 17,647,619 | 20,373,320 |  |
Adjustment [Member] | Proshares Ultra Short Bloomberg Natural Gas [Member] | Future [Member] |  |  |  |
Segregated cash balances | 17,647,619 |  |  | 27,563,925
Receivable on open futures contracts | (17,647,619) |  |  | (17,967,880)
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts |  |  |  | 9,596,045
Adjustment [Member] | Proshares VIX Short Term Futures ETF [Member] |  |  |  |
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (4,213,536) | (31,753,227) |  |
Increase (Decrease) in payable on open futures contracts | 0 | 271,992 |  |
Net cash provided by (used in) operating activities | (4,213,536) | (31,481,235) |  |
Net increase (decrease) in cash | (4,213,536) | (31,481,235) |  |
Cash, beginning of period | 13,685,056 | 50,118,046 |  |
Cash, end of period | 9,471,520 | 18,636,811 |  |
Adjustment [Member] | Proshares VIX Short Term Futures ETF [Member] | Future [Member] |  |  |  |
Segregated cash balances | 9,471,520 |  |  | 13,685,056
Receivable on open futures contracts | (9,471,520) |  |  | (13,685,056)
As Previously Reported [Member] |  |  |  |
Total assets | 3,303,805,645 |  |  | 3,359,443,290
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities | 182,650,305 |  |  | 76,611,164
Total liabilities and shareholders' equity | 3,303,805,645 |  |  | 3,359,443,290
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | 113,307,890 | 286,323,344 |  |
Increase (Decrease) in payable on open futures contracts | 15,859,774 | 2,690,636 |  |
Net cash provided by (used in) operating activities | (726,075,923) | (1,237,446,626) |  |
Net increase (decrease) in cash | (917,450,161) | 359,110,719 |  |
Cash, beginning of period | 2,379,042,825 | 1,826,767,616 |  |
Cash, end of period | 1,461,592,664 | 2,185,878,335 |  |
As Previously Reported [Member] | Future [Member] |  |  |  |
Segregated cash balances | 545,612,450 |  |  | 810,718,438
Receivable on open futures contracts | 124,302,758 |  |  | 237,610,648
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts | 43,140,520 |  |  | 27,280,746
As Previously Reported [Member] | Proshares Short Vix Short Term Futures Etf [Member] |  |  |  |
Total assets |  |  |  | 283,337,788
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities |  |  |  | 16,153,429
Total liabilities and shareholders' equity |  |  |  | 283,337,788
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | 22,582,087 | 48,261,408 |  |
Increase (Decrease) in payable on open futures contracts | 1,758,361 |  |  |
Net cash provided by (used in) operating activities | 16,072,852 | 213,489,153 |  |
Net increase (decrease) in cash | (19,357,352) | 39,640,617 |  |
Cash, beginning of period | 143,139,851 | 133,946,941 |  |
Cash, end of period | 123,782,499 | 173,587,558 |  |
As Previously Reported [Member] | Proshares Short Vix Short Term Futures Etf [Member] | Future [Member] |  |  |  |
Segregated cash balances | 90,095,318 |  |  | 88,647,616
Receivable on open futures contracts | 7,748,578 |  |  | 30,330,665
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts |  |  |  | 372,680
As Previously Reported [Member] | Proshares Ultra Bloomberg Natural Gas [Member] |  |  |  |
Total assets |  |  | 580,670,995 | 770,676,725
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities |  |  | 40,027,174 | 40,783,917
Total liabilities and shareholders' equity |  |  | 580,670,995 | 770,676,725
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | 82,552,168 | 32,093,445 |  |
Increase (Decrease) in payable on open futures contracts | 18,840,048 | (1,835,443) |  |
Net cash provided by (used in) operating activities | (51,888,404) | (1,115,027,371) |  |
Net increase (decrease) in cash | (116,366,216) | 504,553,914 |  |
Cash, beginning of period | 582,842,023 | 176,734,664 |  |
Cash, end of period | 466,475,807 | 681,288,578 |  |
As Previously Reported [Member] | Proshares Ultra Bloomberg Natural Gas [Member] | Future [Member] |  |  |  |
Segregated cash balances |  |  | 131,374,481 | 256,589,331
Receivable on open futures contracts |  |  | 34,615,849 | 117,168,017
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts |  |  | $ 39,579,590 | 20,739,542
As Previously Reported [Member] | Proshares Ultra VIX Short Term Futures ETF [Member] |  |  |  |
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | 24,334,088 | 159,024,755 |  |
Increase (Decrease) in payable on open futures contracts |  | 1,707,397 |  |
Net cash provided by (used in) operating activities | (145,921,103) | (451,561,189) |  |
Net increase (decrease) in cash | (141,696,813) | (56,019,105) |  |
Cash, beginning of period | 297,461,110 | 394,847,507 |  |
Cash, end of period | 155,764,297 | 338,828,402 |  |
As Previously Reported [Member] | Proshares Ultra VIX Short Term Futures ETF [Member] | Future [Member] |  |  |  |
Segregated cash balances | 120,823,595 |  |  | 210,845,154
Receivable on open futures contracts | 26,176,118 |  |  | 50,510,206
As Previously Reported [Member] | Proshares Ultra Short Bloomberg Natural Gas [Member] |  |  |  |
Total assets |  |  |  | 141,081,961
Liabilities and Equity [Abstract] |  |  |  |
Total liabilities |  |  |  | 118,869
Total liabilities and shareholders' equity |  |  |  | 141,081,961
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | (3,375,096) | 7,788,147 |  |
Increase (Decrease) in payable on open futures contracts | 26,716 | 6,151,798 |  |
Net cash provided by (used in) operating activities | (46,492,042) | 167,968,674 |  |
Net increase (decrease) in cash | (71,839,472) | 54,186,781 |  |
Cash, beginning of period | 108,608,640 | 44,482,540 |  |
Cash, end of period | 36,769,168 | 98,669,321 |  |
As Previously Reported [Member] | Proshares Ultra Short Bloomberg Natural Gas [Member] | Future [Member] |  |  |  |
Segregated cash balances | 27,590,142 |  |  | 35,326,076
Receivable on open futures contracts | 25,789,178 |  |  | 22,414,082
Liabilities and Equity [Abstract] |  |  |  |
Payable on open futures contracts |  |  |  | 0
As Previously Reported [Member] | Proshares VIX Short Term Futures ETF [Member] |  |  |  |
Statement of Cash Flows [Abstract] |  |  |  |
Decrease (Increase) in receivable on open futures contracts | 1,903,430 | 34,137,415 |  |
Increase (Decrease) in payable on open futures contracts | (580) | 1,907,775 |  |
Net cash provided by (used in) operating activities | (52,899,431) | (139,705,423) |  |
Net increase (decrease) in cash | (12,113,595) | 13,660,188 |  |
Cash, beginning of period | 81,441,919 | 125,161,810 |  |
Cash, end of period | 69,328,324 | $ 138,821,998 |  |
As Previously Reported [Member] | Proshares VIX Short Term Futures ETF [Member] | Future [Member] |  |  |  |
Segregated cash balances | 47,977,287 |  |  | 59,164,337
Receivable on open futures contracts | $ 14,144,463 |  |  | $ 16,047,893

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Namespace Prefix: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |