Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Accounting Policies [Abstract]
Average charges paid to broker per round-turn trade, maximum	$ 6.00	$ 6.00

Average charges paid to broker per round turn trade maximum.

No definition available.

Name:	uup_AverageChargesPaidToBrokerPerRoundTurnTradeMaximum
Namespace Prefix:	uup_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration