v3.24.0.1
Financial Highlights - Per Share Operating Performance (Detail) - $ / shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
ProShares Short Euro [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance   $ 44.91 $ 41.92
Net investment income (loss)     (0.39)
Net realized and unrealized gain (loss) [1]     3.38
Change in net asset value from operations     2.99
Net asset value, ending balance     44.91
Market value per share, beginning balance [2]   44.92 41.35
Market value per share, ending balance [2]     $ 44.92
Total Return, at net asset value     7.10%
Total Return, at market value     8.60%
Ratios to Average Net Assets      
Expense ratio [3]     0.97%
Net investment income gain (loss)     (0.91%)
ProShares Short VIX Short-Term Futures ETF [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 58.71 61.56 $ 41.42
Net investment income (loss) 2.11 (0.19) (0.68)
Net realized and unrealized gain (loss) [1] 42.57 (2.66) 20.82
Change in net asset value from operations 44.68 (2.85) 20.14
Net asset value, ending balance 103.39 58.71 61.56
Market value per share, beginning balance [2] 58.68 61.55 41.44
Market value per share, ending balance [2] $ 103.4 $ 58.68 $ 61.55
Total Return, at net asset value 76.10% (4.60%) 48.60%
Total Return, at market value 76.20% (4.70%) 48.50%
Ratios to Average Net Assets      
Expense ratio [3] 1.16% 1.21% 1.36%
Net investment income gain (loss) 2.74% (0.35%) (1.34%)
ProShares Ultra Bloomberg Crude Oil [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 30.26 $ 21.54 $ 9.1
Net investment income (loss) 0.6 (0.08) (0.18)
Net realized and unrealized gain (loss) [1] (4.58) 8.8 12.62
Change in net asset value from operations (3.98) 8.72 12.44
Net asset value, ending balance 26.28 30.26 21.54
Market value per share, beginning balance [2] 30.31 21.7 9.07
Market value per share, ending balance [2] $ 26.1 $ 30.31 $ 21.7
Total Return, at net asset value (13.20%) 40.50% 136.80%
Total Return, at market value (13.90%) 39.70% 139.30%
Ratios to Average Net Assets      
Expense ratio [3] 0.99% 1.04% 1.10%
Net investment income gain (loss) 2.16% (0.22%) (1.06%)
ProShares Ultra Bloomberg Natural Gas [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance [4] $ 363.08 $ 511.08 $ 419.91
Net investment income (loss) [4] 1.43 2.55 (9.9)
Net realized and unrealized gain (loss) [1] (335.96) (150.55) [4] 101.07 [4]
Change in net asset value from operations [4] (334.53) (148) 91.17
Net asset value, ending balance [4] 28.55 363.08 511.08
Market value per share, beginning balance [2],[4] 355.6 521.8 421.4
Market value per share, ending balance [2],[4] $ 28.44 $ 355.6 $ 521.8
Total Return, at net asset value [4] (92.10%) (29.00%) 21.70%
Total Return, at market value [4] (92.00%) (31.90%) 23.80%
Ratios to Average Net Assets      
Expense ratio [3],[4] 1.38% 1.27% 1.53%
Net investment income gain (loss) [4] 2.24% 0.27% (1.48%)
ProShares Ultra Euro [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 11.27 $ 13.32 $ 15.79
Net investment income (loss) 0.38 0.05 (0.13)
Net realized and unrealized gain (loss) [1] 0.21 (2.1) (2.34)
Change in net asset value from operations 0.59 (2.05) (2.47)
Net asset value, ending balance 11.86 11.27 13.32
Market value per share, beginning balance [2] 11.26 13.33 15.81
Market value per share, ending balance [2] $ 11.84 $ 11.26 $ 13.33
Total Return, at net asset value 5.20% (15.40%) (15.60%)
Total Return, at market value 5.20% (15.50%) (15.70%)
Ratios to Average Net Assets      
Expense ratio [3] 0.95% 0.96% 0.95%
Net investment income gain (loss) 3.29% 0.46% (0.90%)
ProShares Ultra Gold [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 55.09 $ 59.69 $ 67.57
Net investment income (loss) 1.81 (0.01) (0.57)
Net realized and unrealized gain (loss) [1] 6.93 (4.59) (7.31)
Change in net asset value from operations 8.74 (4.6) (7.88)
Net asset value, ending balance 63.83 55.09 59.69
Market value per share, beginning balance [2] 55.27 59.81 68.2
Market value per share, ending balance [2] $ 63.87 $ 55.27 $ 59.81
Total Return, at net asset value 15.90% (7.70%) (11.70%)
Total Return, at market value 15.60% (7.60%) (12.30%)
Ratios to Average Net Assets      
Expense ratio [3] 0.96% 0.99% 1.00%
Net investment income gain (loss) 3.02% (0.01%) (0.96%)
ProShares Ultra Silver [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 31.75 $ 34.84 $ 50.71
Net investment income (loss) 0.75 (0.02) (0.42)
Net realized and unrealized gain (loss) [1] (5.21) (3.07) (15.45)
Change in net asset value from operations (4.46) (3.09) (15.87)
Net asset value, ending balance 27.29 31.75 34.84
Market value per share, beginning balance [2] 32 34.74 51.28
Market value per share, ending balance [2] $ 27.17 $ 32 $ 34.74
Total Return, at net asset value (14.10%) (8.90%) (31.30%)
Total Return, at market value (15.10%) (7.90%) (32.30%)
Ratios to Average Net Assets      
Expense ratio [3] 0.98% 0.99% 1.02%
Net investment income gain (loss) 2.64% (0.08%) (0.98%)
ProShares Ultra VIX Short-Term Futures ETF [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance [4] $ 68.69 $ 124.06 $ 1,066.78
Net investment income (loss) [4] 0.42 (0.76) (5.94)
Net realized and unrealized gain (loss) [1],[4] (60.68) (54.61) (936.78)
Change in net asset value from operations [4] (60.26) (55.37) (942.72)
Net asset value, ending balance [4] 8.43 68.69 124.06
Market value per share, beginning balance [2],[4] 68.6 124.3 1,065
Market value per share, ending balance [2],[4] $ 8.44 $ 68.6 $ 124.3
Total Return, at net asset value [4] (87.70%) (44.60%) (88.40%)
Total Return, at market value [4] (87.70%) (44.80%) (88.30%)
Ratios to Average Net Assets      
Expense ratio [4] 1.61% [3] 1.56% [5] 1.74% [3]
Net investment income gain (loss) [4] 1.84% (0.63%) (1.72%)
ProShares Ultra Yen [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 34.54 $ 47.29 $ 59.83
Net investment income (loss) 0.96 0.26 (0.48)
Net realized and unrealized gain (loss) [1] (8.04) (13.01) (12.06)
Change in net asset value from operations (7.08) (12.75) (12.54)
Net asset value, ending balance 27.46 34.54 47.29
Market value per share, beginning balance [2] 34.56 47.29 59.82
Market value per share, ending balance [2] $ 27.49 $ 34.56 $ 47.29
Total Return, at net asset value (20.50%) (27.00%) (21.00%)
Total Return, at market value (20.50%) (26.90%) (20.90%)
Ratios to Average Net Assets      
Expense ratio 0.95% [3] 0.96% [5] 0.95% [3]
Net investment income gain (loss) 3.40% 0.80% (0.90%)
ProShares UltraShort Australian Dollar [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance   $ 48.25 $ 44.45
Net investment income (loss)     (0.46)
Net realized and unrealized gain (loss) [1]     4.26
Change in net asset value from operations     3.8
Net asset value, ending balance     48.25
Market value per share, beginning balance [2]   48.41 43.89
Market value per share, ending balance [2]     $ 48.41
Total Return, at net asset value     8.50%
Total Return, at market value     10.30%
Ratios to Average Net Assets      
Expense ratio [3]     1.03%
Net investment income gain (loss)     (0.98%)
ProShares UltraShort Bloomberg Crude Oil [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 23.93 64.26 $ 232.23
Net investment income (loss) 0.7 0.01 (1.13)
Net realized and unrealized gain (loss) [1] (3.88) (40.34) (166.84)
Change in net asset value from operations (3.18) (40.33) (167.97)
Net asset value, ending balance 20.75 23.93 64.26
Market value per share, beginning balance [2] 23.85 63.75 232.8
Market value per share, ending balance [2] $ 20.89 $ 23.85 $ 63.75
Total Return, at net asset value (13.30%) (62.80%) (72.30%)
Total Return, at market value (12.40%) (62.60%) (72.60%)
Ratios to Average Net Assets      
Expense ratio 1.07% [3] 1.14% [5] 1.22% [3]
Net investment income gain (loss) 3.28% 0.04% (1.16%)
ProShares UltraShort Bloomberg Natural Gas [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 27 $ 247.4 $ 951.82
Net investment income (loss) 1.55 (0.06) (3.93)
Net realized and unrealized gain (loss) [1] 67.55 (220.34) (700.49)
Change in net asset value from operations 69.1 (220.4) (704.42)
Net asset value, ending balance 96.1 27 247.4
Market value per share, beginning balance [2] 27.56 242.2 947.6
Market value per share, ending balance [2] $ 96.41 $ 27.56 $ 242.2
Total Return, at net asset value 255.90% (89.10%) (74.00%)
Total Return, at market value 249.80% (88.60%) (74.40%)
Ratios to Average Net Assets      
Expense ratio 1.66% [3] 1.37% [5] 1.56% [3]
Net investment income gain (loss) 2.63% (0.26%) (1.52%)
ProShares UltraShort Euro [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 29.46 $ 25.84 $ 22.53
Net investment income (loss) 0.97 0.1 (0.22)
Net realized and unrealized gain (loss) [1] (1.27) 3.52 3.53
Change in net asset value from operations (0.3) 3.62 3.31
Net asset value, ending balance 29.16 29.46 25.84
Market value per share, beginning balance [2] 29.45 25.86 22.52
Market value per share, ending balance [2] $ 29.15 $ 29.45 $ 25.86
Total Return, at net asset value (1.00%) 14.00% 14.70%
Total Return, at market value (1.00%) 13.90% 14.80%
Ratios to Average Net Assets      
Expense ratio 0.95% [3] 0.96% [6] 0.95% [6]
Net investment income gain (loss) 3.28% 0.32% (0.90%)
ProShares UltraShort Gold [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 31.1 $ 31.71 $ 31.43
Net investment income (loss) 0.83 (0.07) (0.33)
Net realized and unrealized gain (loss) [1] (5.54) (0.54) 0.61
Change in net asset value from operations (4.71) (0.61) 0.28
Net asset value, ending balance 26.39 31.1 31.71
Market value per share, beginning balance [2] 30.99 31.66 31.14
Market value per share, ending balance [2] $ 26.37 $ 30.99 $ 31.66
Total Return, at net asset value (15.20%) (1.90%) 0.90%
Total Return, at market value (14.90%) (2.10%) 1.70%
Ratios to Average Net Assets      
Expense ratio 0.98% [3] 1.00% [6] 1.03% [6]
Net investment income gain (loss) 2.95% (0.23%) (0.98%)
ProShares UltraShort Silver [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 19.46 $ 26.77 $ 27.73
Net investment income (loss) 0.5 (0.07) (0.27)
Net realized and unrealized gain (loss) [1] (1.82) (7.24) (0.69)
Change in net asset value from operations (1.32) (7.31) (0.96)
Net asset value, ending balance 18.14 19.46 26.77
Market value per share, beginning balance [2] 19.3 26.84 27.4
Market value per share, ending balance [2] $ 18.24 $ 19.3 $ 26.84
Total Return, at net asset value (6.80%) (27.30%) (3.50%)
Total Return, at market value (5.50%) (28.10%) (2.00%)
Ratios to Average Net Assets      
Expense ratio 1.08% [7] 1.08% [6] 1.10% [6]
Net investment income gain (loss) 2.61% (0.25%) (1.06%)
ProShares UltraShort Yen [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 53.68 $ 41.5 $ 33.91
Net investment income (loss) 2.15 0.17 (0.34)
Net realized and unrealized gain (loss) [1] 13.05 12.01 7.93
Change in net asset value from operations 15.2 12.18 7.59
Net asset value, ending balance 68.88 53.68 41.5
Market value per share, beginning balance [2] 53.57 41.5 33.91
Market value per share, ending balance [2] $ 68.94 $ 53.57 $ 41.5
Total Return, at net asset value 28.30% 29.40% 22.40%
Total Return, at market value 28.70% 29.10% 22.40%
Ratios to Average Net Assets      
Expense ratio 0.95% [7] 0.95% [6] 0.95% [6]
Net investment income gain (loss) 3.33% 0.31% (0.90%)
ProShares VIX Mid-Term Futures ETF [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance $ 30.41 $ 30.61 $ 36.73
Net investment income (loss) 0.71 (0.03) (0.33)
Net realized and unrealized gain (loss) [1] (14.38) (0.17) (5.79)
Change in net asset value from operations (13.67) (0.2) (6.12)
Net asset value, ending balance 16.74 30.41 30.61
Market value per share, beginning balance [2] 30.36 30.57 36.7
Market value per share, ending balance [2] $ 16.75 $ 30.36 $ 30.57
Total Return, at net asset value (45.00%) (0.70%) (16.70%)
Total Return, at market value (44.80%) (0.70%) (16.70%)
Ratios to Average Net Assets      
Expense ratio 0.99% [7] 1.01% [6] 1.04% [6]
Net investment income gain (loss) 3.12% (0.10%) (1.00%)
ProShares VIX Short-Term Futures ETF [Member]      
Investment Company, Financial Highlights [Line Items]      
Net asset value, beginning balance [4] $ 57 $ 75.62 $ 275.14
Net investment income (loss) [4] 0.86 (0.1) (1.6)
Net realized and unrealized gain (loss) [1],[4] (42.36) (18.52) (197.92)
Change in net asset value from operations [4] (41.5) (18.62) (199.52)
Net asset value, ending balance [4] 15.5 57 75.62
Market value per share, beginning balance [2],[4] 56.9 75.85 274.8
Market value per share, ending balance [2],[4] $ 15.51 $ 56.9 $ 75.85
Total Return, at net asset value [4] (72.80%) (24.60%) (72.50%)
Total Return, at market value [4] (72.70%) (25.00%) (72.40%)
Ratios to Average Net Assets      
Expense ratio [4] 1.07% [7] 1.15% [6] 1.21% [6]
Net investment income gain (loss) [4] 2.93% (0.13%) (1.18%)
[1] The amount shown for a share outstanding throughout the period may not accord with the change in aggregate gains and losses during the period because of timing of creation and redemption units in relation to fluctuating net asset value during the period.
[2] Market values are determined at the close of the applicable primary listing exchange, which may be later than when the Funds’ net asset value is calculated.
[3] The expense ratio would be 0.95%, 0.95%, 0.95%, 0.95%, 0.95% and 0.95%, respectively, if non-recurring fees and expenses, and brokerage commissions and futures account fees were excluded.
[4] See Note 1 of these Notes to Financial Statements.
[5] The expense ratio would be 0.95%, 0.95%, 0.95% and 0.95%, respectively, if non-recurring fees and expenses, and brokerage commissions and futures account fees were excluded.
[6] The expense ratio would be 0.95%, 0.95%, 0.95%, 0.95%, 0.85% and 0.85%, respectively, if non-recurring fees and expenses, and brokerage commissions and futures account fees were excluded.
[7] The expense ratio would be 0.95%, 0.95%, 0.85% and 0.85%, respectively, if non-recurring fees and expenses, and brokerage commissions and futures account fees were excluded.