v3.26.1
Document And Entity Information
Aug. 05, 2026
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 05, 2026
Entity Registrant Name U-Haul Holding Company
Entity Central Index Key 0000004457
Entity Emerging Growth Company false
Entity File Number 001-11255
Entity Incorporation, State or Country Code NV
Entity Tax Identification Number 88-0106815
Entity Address, Address Line One 5555 Kietzke Lane
Entity Address, Address Line Two Suite 100
Entity Address, City or Town Reno
Entity Address, State or Province NV
Entity Address, Postal Zip Code 89511
City Area Code 775
Local Phone Number 688-6300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Common Class A [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common Stock, $0.25 par value
Trading Symbol UHAL
Security Exchange Name NYSE
Nonvoting Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Series N Non-Voting Common Stock, $0.001 par value
Trading Symbol UHAL.B
Security Exchange Name NYSE