|
Statements of Financial Condition (USD $)
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| ProShares Managed Futures Strategy [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
$ 8,302,902us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
[1] |
$ 6,135,185us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
[1] |
| Segregated cash balances with brokers for futures contracts |
269,253ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
195,142ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Receivable on open futures contracts |
37,013us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
17,445us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Offering costs |
33,164ck0001415311_OfferingCosts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
49,384ck0001415311_OfferingCosts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Limitation by Sponsor |
11,008ck0001415311_LimitationBySponsor
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
9,474ck0001415311_LimitationBySponsor
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Total assets |
8,653,340us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
6,406,630us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Liabilities |
|
|
|
|
| Payable for offering costs |
65,785ck0001415311_PayableForOfferingCosts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
65,785ck0001415311_PayableForOfferingCosts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Total liabilities |
65,785us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
65,785us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
8,587,555us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
6,340,845us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Total liabilities and shareholders' equity |
8,653,340us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
6,406,630us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Shares outstanding |
400,010us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
300,010us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Net asset value per share |
$ 21.4684ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
$ 21.1354ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| Market value per share |
$ 21.50ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
$ 21.28ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesManagedFuturesStrategyMember |
|
| ProShares VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
2,165,472us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
1,694,791us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Segregated cash balances with brokers for futures contracts |
11,020,165ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
18,439,750ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Short-term U.S. government and agency obligations |
131,184,020us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
82,088,299us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Receivable on open futures contracts |
5,219,208us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
9,317,236us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Total assets |
149,588,865us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
111,540,076us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
101,356us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
80,751us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Total liabilities |
101,356us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
80,751us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
149,487,509us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
111,459,325us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Total liabilities and shareholders' equity |
149,588,865us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
111,540,076us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Shares outstanding |
8,749,812us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
5,324,812us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Net asset value per share |
$ 17.0847ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
$ 20.9321ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| Market value per share |
$ 17.01ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
$ 20.99ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixShortTermFuturesEtfMember |
|
| ProShares VIX Mid-Term Futures ETF [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
1,303,894us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
1,634,082us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Segregated cash balances with brokers for futures contracts |
2,134,050ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
1,906,950ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Short-term U.S. government and agency obligations |
27,675,412us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
24,105,906us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Receivable on open futures contracts |
321,319us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
1,783,328us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Total assets |
31,434,675us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
29,430,266us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
3,034,067ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
7,947,955ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Management fee payable |
21,578us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
22,736us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Total liabilities |
3,055,645us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
7,970,691us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
28,379,030us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
21,459,575us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Total liabilities and shareholders' equity |
31,434,675us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
29,430,266us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Shares outstanding |
462,404us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
337,404us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Net asset value per share |
$ 61.3728ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
$ 63.6020ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| Market value per share |
$ 61.09ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
$ 63.89ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesVixMidTermFuturesEtfMember |
|
| ProShares Short VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
4,143,193us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
9,122,219us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Segregated cash balances with brokers for futures contracts |
55,500,260ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
85,244,950ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Short-term U.S. government and agency obligations |
222,919,943us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
446,975,220us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Total assets |
282,563,396us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
541,342,389us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
|
|
3,358,781ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Payable on open futures contracts |
1,425,781us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
31,020,019us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Management fee payable |
286,643us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
407,465us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Total liabilities |
1,712,424us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
34,786,265us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
280,850,972us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
506,556,124us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Total liabilities and shareholders' equity |
282,563,396us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
541,342,389us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Shares outstanding |
4,150,040us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
8,250,040us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Net asset value per share |
$ 67.6743ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
$ 61.4004ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| Market value per share |
$ 68.04ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
$ 61.16ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortVixShortTermFuturesEtfMember |
|
| ProShares Ultra VIX Short-Term Futures ETF [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
5,478,753us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
3,737,292us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Segregated cash balances with brokers for futures contracts |
73,653,370ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
116,907,700ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Short-term U.S. government and agency obligations |
569,900,064us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
182,639,188us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Receivable from capital shares sold |
7,900,647ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
12,549,248ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Receivable on open futures contracts |
37,350,672us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
42,531,441us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Total assets |
694,283,506us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
358,364,869us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
|
|
6,272,056ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Management fee payable |
563,422us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
302,860us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Total liabilities |
563,422us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
6,574,916us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
693,720,084us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
351,789,953us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Total liabilities and shareholders' equity |
694,283,506us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
358,364,869us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Shares outstanding |
45,670,099us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
14,020,099us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Net asset value per share |
$ 15.1898ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
$ 25.0918ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| Market value per share |
$ 15.05ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
$ 25.15ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraVixShortTermFuturesEtfMember |
|
| ProShares UltraShort Bloomberg Commodity [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
555,463us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
467,766us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Short-term U.S. government and agency obligations |
4,990,827us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
4,233,548us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Unrealized appreciation on swap agreements |
276,625us-gaap_InvestmentOwnedUnrecognizedUnrealizedAppreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
567,259us-gaap_InvestmentOwnedUnrecognizedUnrealizedAppreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Total assets |
5,822,915us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
5,268,573us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
4,552us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
3,867us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Total liabilities |
4,552us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
3,867us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
5,818,363us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
5,264,706us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Total liabilities and shareholders' equity |
5,822,915us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
5,268,573us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Shares outstanding |
59,997us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
59,997us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Net asset value per share |
$ 96.9776ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
$ 87.7495ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| Market value per share |
$ 98.25ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
$ 87.44ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCommodityMember |
|
| ProShares UltraShort Bloomberg Crude Oil [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
6,869,907us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
994,268us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Segregated cash balances with brokers for futures contracts |
20,594,295ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
12,292,665ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Short-term U.S. government and agency obligations |
319,733,997us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
131,594,608us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Unrealized appreciation on swap agreements |
26,857,473us-gaap_InvestmentOwnedUnrecognizedUnrealizedAppreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
27,018,077us-gaap_InvestmentOwnedUnrecognizedUnrealizedAppreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Receivable on open futures contracts |
4,822,119us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
1,293,531us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Total assets |
378,877,791us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
173,193,149us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
8,302,977ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
3,854,654ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Management fee payable |
237,809us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
128,385us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Total liabilities |
8,540,786us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
3,983,039us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
370,337,005us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
169,210,110us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Total liabilities and shareholders' equity |
378,877,791us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
173,193,149us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Shares outstanding |
4,269,944us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
2,169,944us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Net asset value per share |
$ 86.7311ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
$ 77.9790ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| Market value per share |
$ 87.14ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
$ 76.52ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergCrudeOilMember |
|
| ProShares UltraShort Bloomberg Natural Gas [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
258,382us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
696,743us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Segregated cash balances with brokers for futures contracts |
1,708,036ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
4,405,830ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Short-term U.S. government and agency obligations |
8,979,498us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
8,672,710us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Receivable on open futures contracts |
|
|
923,531us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Total assets |
10,945,916us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
14,698,814us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Liabilities |
|
|
|
|
| Payable on open futures contracts |
5,985us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
|
|
| Management fee payable |
8,361us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
10,250us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Total liabilities |
14,346us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
10,250us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
10,931,570us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
14,688,564us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Total liabilities and shareholders' equity |
10,945,916us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
14,698,814us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Shares outstanding |
124,952us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
174,952us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Net asset value per share |
$ 87.4862ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
$ 83.9577ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| Market value per share |
$ 87.54ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
$ 82.03ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortBloombergNaturalGasMember |
|
| ProShares UltraShort Gold [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
164,117us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
162,434us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Segregated cash balances with brokers for futures contracts |
8,800ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
8,800ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Short-term U.S. government and agency obligations |
79,438,219us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
84,040,107us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Receivable on open futures contracts |
392us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
3,260us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Total assets |
79,611,528us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
84,214,601us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
68,833us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
70,061us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Unrealized depreciation on forward agreements |
1,582,081ck0001415311_UnrealizedDepreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
2,282,778ck0001415311_UnrealizedDepreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Total liabilities |
1,650,914us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
2,352,839us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
77,960,614us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
81,861,762us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Total liabilities and shareholders' equity |
79,611,528us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
84,214,601us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Shares outstanding |
796,978us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
846,978us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Net asset value per share |
$ 97.8203ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
$ 96.6516ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| Market value per share |
$ 98.18ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
$ 100.22ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortGoldMember |
|
| ProShares UltraShort Silver [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
145,419us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
207,506us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Segregated cash balances with brokers for futures contracts |
16,940ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
14,300ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Short-term U.S. government and agency obligations |
50,001,670us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
52,226,692us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Unrealized appreciation on forward agreements |
|
|
799,523ck0001415311_UnrealizedAppreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Receivable from capital shares sold |
10,118,943ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
|
|
| Receivable on open futures contracts |
760us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
6,770us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Total assets |
60,283,732us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
53,254,791us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
43,050us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
42,354us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Unrealized depreciation on forward agreements |
3,736,183ck0001415311_UnrealizedDepreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
204,570ck0001415311_UnrealizedDepreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Total liabilities |
3,779,233us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
246,924us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
56,504,499us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
53,007,867us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Total liabilities and shareholders' equity |
60,283,732us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
53,254,791us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Shares outstanding |
558,489us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
458,489us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Net asset value per share |
$ 101.1739ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
$ 115.6143ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| Market value per share |
$ 100.85ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
$ 119.39ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortSilverMember |
|
| ProShares Short Euro [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
1,534,250us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
1,640,225us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Segregated cash balances with brokers for futures contracts |
511,500ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
242,880ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Short-term U.S. government and agency obligations |
18,012,179us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
12,086,577us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Receivable on open futures contracts |
141,325us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
63,250us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Total assets |
20,199,254us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
14,032,932us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
15,251us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
11,128us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Total liabilities |
15,251us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
11,128us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
20,184,003us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
14,021,804us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Total liabilities and shareholders' equity |
20,199,254us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
14,032,932us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Shares outstanding |
450,005us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
350,005us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Net asset value per share |
$ 44.8528ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
$ 40.0617ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| Market value per share |
$ 44.87ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
$ 40.03ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesShortEuroMember |
|
| ProShares UltraShort Australian Dollar [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
2,623,624us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
1,788,757us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Segregated cash balances with brokers for futures contracts |
382,125ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
1,020,217ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Short-term U.S. government and agency obligations |
16,932,493us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
20,267,679us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Receivable on open futures contracts |
182,288us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
62,534us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Total assets |
20,120,530us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
23,139,187us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
15,595us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
18,397us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Total liabilities |
15,595us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
18,397us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
20,104,935us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
23,120,790us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Total liabilities and shareholders' equity |
20,120,530us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
23,139,187us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Shares outstanding |
350,005us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
450,005us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Net asset value per share |
$ 57.4419ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
$ 51.3790ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| Market value per share |
$ 57.34ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
$ 51.37ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortAustralianDollarMember |
|
| ProShares UltraShort Euro [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
275,163us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
746,454us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Short-term U.S. government and agency obligations |
549,451,431us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
487,111,117us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Unrealized appreciation on foreign currency forward contracts |
25,478,862ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
19,019,765ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Receivable from capital shares sold |
47,160,400ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
12,956,604ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Total assets |
622,365,856us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
519,833,940us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
437,633us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
385,820us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Unrealized depreciation on foreign currency forward contracts |
2,088,667ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
2,256,771ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Total liabilities |
2,526,300us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
2,642,591us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
619,839,556us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
517,191,349us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Total liabilities and shareholders' equity |
622,365,856us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
519,833,940us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Shares outstanding |
23,000,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
23,950,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Net asset value per share |
$ 26.9495ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
$ 21.5946ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| Market value per share |
$ 26.95ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
$ 21.61ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortEuroMember |
|
| ProShares UltraShort Yen [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
446,091us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
532,706us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Short-term U.S. government and agency obligations |
444,090,783us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
532,957,746us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Unrealized appreciation on foreign currency forward contracts |
725,490ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
571,149ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Total assets |
445,262,364us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
534,061,601us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
4,448,693ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
|
|
| Management fee payable |
393,931us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
439,804us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Unrealized depreciation on foreign currency forward contracts |
57,733ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
2,149,924ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Total liabilities |
4,900,357us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
2,589,728us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
440,362,007us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
531,471,873us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Total liabilities and shareholders' equity |
445,262,364us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
534,061,601us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Shares outstanding |
4,949,294us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
5,949,294us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Net asset value per share |
$ 88.9747ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
$ 89.3336ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| Market value per share |
$ 88.91ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
$ 89.30ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltrashortYenMember |
|
| ProShares Ultra Bloomberg Commodity [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
171,443us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
185,684us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Short-term U.S. government and agency obligations |
2,242,809us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
2,754,900us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Total assets |
2,414,252us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
2,940,584us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
1,911us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
2,326us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Unrealized depreciation on swap agreements |
129,433us-gaap_InvestmentOwnedUnrecognizedUnrealizedDepreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
331,338us-gaap_InvestmentOwnedUnrecognizedUnrealizedDepreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Total liabilities |
131,344us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
333,664us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
2,282,908us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
2,606,920us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Total liabilities and shareholders' equity |
2,414,252us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
2,940,584us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Shares outstanding |
200,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
200,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Net asset value per share |
$ 11.4137ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
$ 13.0337ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| Market value per share |
$ 11.70ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
$ 12.86ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCommodityMember |
|
| ProShares Ultra Bloomberg Crude Oil [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
5,024,406us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
2,349,384us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Segregated cash balances with brokers for futures contracts |
13,420,311ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
34,605,120ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Short-term U.S. government and agency obligations |
1,066,114,169us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
467,200,736us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Receivable from capital shares sold |
18,414,719ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
28,726,173ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Total assets |
1,102,973,605us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
532,881,413us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
5,037,901ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
|
|
| Payable on open futures contracts |
14,040,754us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
5,817,266us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Management fee payable |
789,703us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
320,062us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Unrealized depreciation on swap agreements |
78,474,219us-gaap_InvestmentOwnedUnrecognizedUnrealizedDepreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
76,181,097us-gaap_InvestmentOwnedUnrecognizedUnrealizedDepreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Total liabilities |
98,342,577us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
82,318,425us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
1,004,631,028us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
450,562,988us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Total liabilities and shareholders' equity |
1,102,973,605us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
532,881,413us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Shares outstanding |
147,199,170us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
44,399,170us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Net asset value per share |
$ 6.8250ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
$ 10.1480ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| Market value per share |
$ 6.79ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
$ 10.37ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergCrudeOilMember |
|
| ProShares Ultra Bloomberg Natural Gas [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
513,008us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
1,653,582us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Segregated cash balances with brokers for futures contracts |
3,842,480ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
21,134,080ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Short-term U.S. government and agency obligations |
57,169,841us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
53,410,227us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Receivable from capital shares sold |
|
|
3,853,422ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Total assets |
61,525,329us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
80,051,311us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Liabilities |
|
|
|
|
| Payable on open futures contracts |
164,188us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
9,552,314us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Management fee payable |
54,848us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
65,790us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Total liabilities |
219,036us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
9,618,104us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
61,306,293us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
70,433,207us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Total liabilities and shareholders' equity |
61,525,329us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
80,051,311us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Shares outstanding |
5,369,941us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
4,569,941us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Net asset value per share |
$ 11.4166ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
$ 15.4123ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| Market value per share |
$ 11.39ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
$ 15.78ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraBloombergNaturalGasMember |
|
| ProShares Ultra Gold [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
122,188us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
104,145us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Segregated cash balances with brokers for futures contracts |
8,800ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
8,800ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Short-term U.S. government and agency obligations |
94,234,586us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
101,927,857us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Unrealized appreciation on forward agreements |
1,660,968ck0001415311_UnrealizedAppreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
2,051,154ck0001415311_UnrealizedAppreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Total assets |
96,026,542us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
104,091,956us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
|
|
1,999,718ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Payable on open futures contracts |
420us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
3,260us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Management fee payable |
76,662us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
85,633us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Total liabilities |
77,082us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
2,088,611us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
95,949,460us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
102,003,345us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Total liabilities and shareholders' equity |
96,026,542us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
104,091,956us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Shares outstanding |
2,500,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
2,550,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Net asset value per share |
$ 38.3796ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
$ 40.0011ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| Market value per share |
$ 38.14ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
$ 38.41ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraGoldMember |
|
| ProShares Ultra Silver [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
289,618us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
305,004us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Segregated cash balances with brokers for futures contracts |
16,940ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
14,300ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Short-term U.S. government and agency obligations |
294,501,633us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
305,474,211us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Unrealized appreciation on forward agreements |
22,620,868ck0001415311_UnrealizedAppreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
|
|
| Total assets |
317,429,059us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
305,793,515us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
|
|
1,967,832ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Payable on open futures contracts |
760us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
6,770us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Management fee payable |
245,442us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
254,050us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Unrealized depreciation on forward agreements |
|
|
12,395,120ck0001415311_UnrealizedDepreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Total liabilities |
246,202us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
14,623,772us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
317,182,857us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
291,169,743us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Total liabilities and shareholders' equity |
317,429,059us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
305,793,515us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Shares outstanding |
7,646,533us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
7,396,533us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Net asset value per share |
$ 41.4806ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
$ 39.3657ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| Market value per share |
$ 41.69ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
$ 38.05ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraSilverMember |
|
| ProShares Ultra Australian Dollar [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
66,124us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
222,968us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Segregated cash balances with brokers for futures contracts |
152,460ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
120,131ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Short-term U.S. government and agency obligations |
2,201,920us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
2,405,685us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Total assets |
2,420,504us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
2,748,784us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Liabilities |
|
|
|
|
| Payable on open futures contracts |
21,232us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
6,369us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Management fee payable |
1,996us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
2,248us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Total liabilities |
23,228us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
8,617us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
2,397,276us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
2,740,167us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Total liabilities and shareholders' equity |
2,420,504us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
2,748,784us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Shares outstanding |
100,005us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
100,005us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Net asset value per share |
$ 23.9716ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
$ 27.4003ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| Market value per share |
$ 24.20ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
$ 27.43ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraAustralianDollarMember |
|
| ProShares Ultra Euro [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
311,421us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
671,117us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Short-term U.S. government and agency obligations |
15,242,869us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
2,415,698us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Unrealized appreciation on foreign currency forward contracts |
2,045ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
2,921ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Total assets |
15,556,335us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
3,089,736us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
9,764us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
2,003us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Unrealized depreciation on foreign currency forward contracts |
780,795ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
106,292ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Total liabilities |
790,559us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
108,295us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
14,765,776us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
2,981,441us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Total liabilities and shareholders' equity |
15,556,335us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
3,089,736us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Shares outstanding |
950,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
150,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Net asset value per share |
$ 15.5427ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
$ 19.8744ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| Market value per share |
$ 15.54ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
$ 19.80ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraEuroMember |
|
| ProShares Ultra Yen [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
435,727us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
846,919us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Short-term U.S. government and agency obligations |
5,210,191us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
1,287,869us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Unrealized appreciation on foreign currency forward contracts |
|
|
404ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Total assets |
5,645,918us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
2,135,192us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Liabilities |
|
|
|
|
| Management fee payable |
4,659us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
1,515us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Unrealized depreciation on foreign currency forward contracts |
41,178ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
15,649ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Total liabilities |
45,837us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
17,164us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
5,600,081us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
2,118,028us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Total liabilities and shareholders' equity |
5,645,918us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
2,135,192us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Shares outstanding |
400,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
150,014us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Net asset value per share |
$ 13.9997ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
$ 14.1189ck0001415311_NetAssetValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| Market value per share |
$ 13.99ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
$ 14.12ck0001415311_MarketValuePerShare
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesUltraYenMember |
|
| ProShares Trust II [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash |
41,200,565us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
35,899,231us-gaap_Cash
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Segregated cash balances with brokers for futures contracts |
183,239,785ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
296,561,615ck0001415311_SegregatedCashBalancesWithBrokersForFuturesContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Short-term U.S. government and agency obligations |
3,980,228,554us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
3,005,876,580us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Unrealized appreciation on swap agreements |
27,134,098us-gaap_InvestmentOwnedUnrecognizedUnrealizedAppreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
27,585,336us-gaap_InvestmentOwnedUnrecognizedUnrealizedAppreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Unrealized appreciation on forward agreements |
24,281,836ck0001415311_UnrealizedAppreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
2,850,677ck0001415311_UnrealizedAppreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Unrealized appreciation on foreign currency forward contracts |
26,206,397ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
19,594,239ck0001415311_UnrealizedAppreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Receivable from capital shares sold |
83,594,709ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
58,085,447ck0001415311_ReceivableForCapitalSharesSold
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Receivable on open futures contracts |
48,075,096us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
56,002,326us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Offering costs |
33,164ck0001415311_OfferingCosts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
49,384ck0001415311_OfferingCosts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Limitation by Sponsor |
11,008ck0001415311_LimitationBySponsor
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
9,474ck0001415311_LimitationBySponsor
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Total assets |
4,414,005,212us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
3,502,514,309us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Liabilities |
|
|
|
|
| Payable for capital shares redeemed |
20,823,638ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
25,400,996ck0001415311_PayableForCapitalSharesRedeemed
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Payable on open futures contracts |
15,659,120us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
46,405,998us-gaap_PayablesToBrokerDealersAndClearingOrganizations
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Management fee payable |
3,382,999us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
2,657,505us-gaap_ManagementFeePayable
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Payable for offering costs |
65,785ck0001415311_PayableForOfferingCosts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
65,785ck0001415311_PayableForOfferingCosts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Unrealized depreciation on swap agreements |
78,603,652us-gaap_InvestmentOwnedUnrecognizedUnrealizedDepreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
76,512,435us-gaap_InvestmentOwnedUnrecognizedUnrealizedDepreciation
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Unrealized depreciation on forward agreements |
5,318,264ck0001415311_UnrealizedDepreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
14,882,468ck0001415311_UnrealizedDepreciationOnForwardAgreements
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Unrealized depreciation on foreign currency forward contracts |
2,968,373ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
4,528,636ck0001415311_UnrealizedDepreciationOnForeignCurrencyForwardContracts
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Total liabilities |
126,821,831us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
170,453,823us-gaap_Liabilities
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Commitments and Contingencies |
|
|
|
|
| Shareholders' equity |
|
|
|
|
| Shareholders' equity |
4,287,183,381us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
3,332,060,486us-gaap_StockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Total liabilities and shareholders' equity |
$ 4,414,005,212us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
$ 3,502,514,309us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
| Shares outstanding |
258,357,748us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
122,157,748us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementBusinessSegmentsAxis
= ck0001415311_ProsharesTrustIiMember |
|
|
|
|