Statements of Financial Condition (Parenthetical) - U.S. Government Agencies Short-term Debt Securities [Member] - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Short-term U.S. government and agency obligations, cost	$ 690,346,244	$ 1,466,423,925
ProShares Short VIX Short-Term Futures ETF [Member]
Short-term U.S. government and agency obligations, cost	109,391,681	144,283,581
ProShares Ultra Bloomberg Crude Oil [Member]
Short-term U.S. government and agency obligations, cost	233,435,026	313,413,683
ProShares Ultra Bloomberg Natural Gas [Member]
Short-term U.S. government and agency obligations, cost	64,445,510	263,209,299
ProShares Ultra Gold [Member]
Short-term U.S. government and agency obligations, cost	59,496,177	129,100,287
ProShares Ultra Silver [Member]
Short-term U.S. government and agency obligations, cost	114,255,151	228,617,421
ProShares Ultra VIX Short-Term Futures ETF [Member]
Short-term U.S. government and agency obligations, cost	0	34,728,989
ProShares UltraShort Bloomberg Crude Oil [Member]
Short-term U.S. government and agency obligations, cost	49,673,923	89,407,308
ProShares UltraShort Bloomberg Natural Gas [Member]
Short-term U.S. government and agency obligations, cost	0	61,469,726
ProShares UltraShort Euro [Member]
Short-term U.S. government and agency obligations, cost	0	39,991,822
ProShares UltraShort Yen [Member]
Short-term U.S. government and agency obligations, cost	0	22,995,298
ProShares VIX Mid-Term Futures ETF [Member]
Short-term U.S. government and agency obligations, cost	0	49,876,697
ProShares VIX Short-Term Futures ETF [Member]
Short-term U.S. government and agency obligations, cost	$ 59,648,776	$ 89,329,814