Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Jan. 31, 2024	Jun. 30, 2023
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Trading Symbol	UUP
Entity Registrant Name	INVESCO DB US DOLLAR INDEX BULLISH FUND
Entity Central Index Key	0001383151
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Filer Category	Non-accelerated Filer
Entity Public Float			$ 636,160,000
Entity Common Stock Shares Outstanding		14,250,000
ICFR Auditor Attestation Flag	true
Title of 12(b) Security	Common Units of Beneficial Interest
Entity File Number	001-33314
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	87-0778082
Security Exchange Name	NYSEArca
Entity Address, Address Line One	Invesco Capital Management LLC
Entity Address, Address Line Two	3500 Lacey Road
Entity Address, Address Line Three	Suite 700
Entity Address, City or Town	Downers Grove
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60515
City Area Code	800
Local Phone Number	83-0903
Document Annual Report	true
Document Transition Report	false
Auditor Name	PricewaterhouseCoopers LLP
Auditor Location	Chicago, Illinois
Auditor Firm ID	238
Document Financial Statement Error Correction [Flag]	false