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Document and Entity Information
Jul. 29, 2024
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001353613
Document Type 8-K
Document Period End Date Jul. 29, 2024
Entity Registrant Name Invesco CurrencyShares® Japanese Yen Trust
Entity Incorporation State Country Code NY
Entity File Number 001-33298
Entity Tax Identification Number 37-6416176
Entity Address, Address Line One 3500 Lacey Road
Entity Address, Address Line Two 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 983-0903
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Units of Beneficial Interest
Trading Symbol FXY
Security Exchange Name NYSEArca
Entity Emerging Growth Company false