v2.4.0.8

Schedule of Investments - Foreign Currency Forward Contracts (Detail) (USD $)	Mar. 31, 2014
ProShares UltraShort Euro [Member] | Contracts to Purchase [Member]
Schedule of Investments [Line Items]
Unrealized Appreciation (Depreciation)	$ (375,347)	[1]
ProShares UltraShort Euro [Member] | Contracts to Purchase [Member] | Euro with Goldman Sachs International [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	18,383,800	[1]
Notional Amount at Value	25,325,422	[1]
Unrealized Appreciation (Depreciation)	(150,026)	[1]
ProShares UltraShort Euro [Member] | Contracts to Purchase [Member] | Euro with UBS AG [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	26,715,000	[1]
Notional Amount at Value	36,802,438	[1]
Unrealized Appreciation (Depreciation)	(225,321)	[1]
ProShares UltraShort Euro [Member] | Contracts to Sell [Member]
Schedule of Investments [Line Items]
Unrealized Appreciation (Depreciation)	(3,348,963)	[1]
ProShares UltraShort Euro [Member] | Contracts to Sell [Member] | Euro with Goldman Sachs International [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	(315,847,325)	[1]
Notional Amount at Value	(435,109,546)	[1]
Unrealized Appreciation (Depreciation)	(1,548,826)	[1]
ProShares UltraShort Euro [Member] | Contracts to Sell [Member] | Euro with UBS AG [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	(324,757,500)	[1]
Notional Amount at Value	(447,384,155)	[1]
Unrealized Appreciation (Depreciation)	(1,800,137)	[1]
ProShares UltraShort Yen [Member] | Contracts to Purchase [Member]
Schedule of Investments [Line Items]
Unrealized Appreciation (Depreciation)	(1,275,150)	[1]
ProShares UltraShort Yen [Member] | Contracts to Purchase [Member] | Yen with Goldman Sachs International [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	7,547,835,100	[1]
Notional Amount at Value	73,124,249	[1]
Unrealized Appreciation (Depreciation)	(874,876)	[1]
ProShares UltraShort Yen [Member] | Contracts to Purchase [Member] | Yen with UBS AG [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	3,218,173,300	[1]
Notional Amount at Value	31,178,013	[1]
Unrealized Appreciation (Depreciation)	(400,274)	[1]
ProShares UltraShort Yen [Member] | Contracts to Sell [Member]
Schedule of Investments [Line Items]
Unrealized Appreciation (Depreciation)	6,121,534	[1]
ProShares UltraShort Yen [Member] | Contracts to Sell [Member] | Yen with Goldman Sachs International [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	(48,716,397,300)	[1]
Notional Amount at Value	(471,969,766)	[1]
Unrealized Appreciation (Depreciation)	3,209,960	[1]
ProShares UltraShort Yen [Member] | Contracts to Sell [Member] | Yen with UBS AG [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	(45,710,614,400)	[1]
Notional Amount at Value	(442,849,413)	[1]
Unrealized Appreciation (Depreciation)	2,911,574	[1]
ProShares Ultra Euro [Member] | Contracts to Purchase [Member]
Schedule of Investments [Line Items]
Unrealized Appreciation (Depreciation)	20,795	[1]
ProShares Ultra Euro [Member] | Contracts to Purchase [Member] | Euro with Goldman Sachs International [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	788,225	[1]
Notional Amount at Value	1,085,855	[1]
Unrealized Appreciation (Depreciation)	4,214	[1]
ProShares Ultra Euro [Member] | Contracts to Purchase [Member] | Euro with UBS AG [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	3,071,000	[1]
Notional Amount at Value	4,230,593	[1]
Unrealized Appreciation (Depreciation)	16,581	[1]
ProShares Ultra Euro [Member] | Contracts to Sell [Member]
Schedule of Investments [Line Items]
Unrealized Appreciation (Depreciation)	189	[1]
ProShares Ultra Euro [Member] | Contracts to Sell [Member] | Euro with Goldman Sachs International [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	(51,500)	[1]
Notional Amount at Value	(70,946)	[1]
Unrealized Appreciation (Depreciation)	224	[1]
ProShares Ultra Euro [Member] | Contracts to Sell [Member] | Euro with UBS AG [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	(27,600)	[1]
Notional Amount at Value	(38,021)	[1]
Unrealized Appreciation (Depreciation)	(35)	[1]
ProShares Ultra Yen [Member] | Contracts to Purchase [Member]
Schedule of Investments [Line Items]
Unrealized Appreciation (Depreciation)	(42,233)	[1]
ProShares Ultra Yen [Member] | Contracts to Purchase [Member] | Yen with Goldman Sachs International [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	304,953,900	[1]
Notional Amount at Value	2,954,426	[1]
Unrealized Appreciation (Depreciation)	(20,852)	[1]
ProShares Ultra Yen [Member] | Contracts to Purchase [Member] | Yen with UBS AG [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	313,415,000	[1]
Notional Amount at Value	3,036,399	[1]
Unrealized Appreciation (Depreciation)	(21,381)	[1]
ProShares Ultra Yen [Member] | Contracts to Sell [Member]
Schedule of Investments [Line Items]
Unrealized Appreciation (Depreciation)	1,004	[1]
ProShares Ultra Yen [Member] | Contracts to Sell [Member] | Yen with Goldman Sachs International [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	(13,523,300)	[1]
Notional Amount at Value	(131,016)	[1]
Unrealized Appreciation (Depreciation)	929	[1]
ProShares Ultra Yen [Member] | Contracts to Sell [Member] | Yen with UBS AG [Member]
Schedule of Investments [Line Items]
Settlement Date	Apr. 04, 2014	[1]
Local Currency	(6,832,900)	[1]
Notional Amount at Value	(66,198)	[1]
Unrealized Appreciation (Depreciation)	$ 75	[1]
[1] The positions and counterparties herein are as of March 31, 2014. The Funds continually evaluate different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at anytime.

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Local currency.

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Settlement date.

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Nominal or face amount on the investment owned.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Underlying

-URI http://asc.fasb.org/extlink&oid=6527499



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 10

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6431724&loc=d3e32938-113948



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-Name Accounting Standards Codification

-Topic 815

-SubTopic 20

-Section 10

-Paragraph 1

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- Definition

This element represents the net excess or deficiency of the fair value of an investment (security, contract) over or under its cost (face amount, notional amount), respectively, which excess value or deficiency has not been recognized in earnings of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 320

-Section S99

-Paragraph 22

-URI http://asc.fasb.org/extlink&oid=6955306&loc=SL6090603-123010

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