Basis of Presentation	12 Months Ended
Mar. 31, 2025
Disclosure Text Block [Abstract]
Basis of Presentation	1. Basis of Presentation U-Haul Holding Company, a Nevada Corporation, (“U-Haul Holding Company” or the "Company"), has a fiscal year that ends on the 31st of March for each year that is referenced. Our insurance company subsidiaries have fiscal years that end on the 31st of December for each year that is referenced. They have been consolidated on that basis. Our insurance companies’ financial reporting processes conform to calendar year reporting as required by state insurance departments. We believe that consolidating their calendar year into our fiscal year consolidated financial statements does not materially affect the financial position or results of operations. We disclose material events, if any, occurring during the intervening period. Consequently, all references to our insurance subsidiaries’ years 2024, 2023 and 2022 correspond to fiscal 2025, 2024 and 2023 for U-Haul Holding Company. Accounts denominated in non-U.S. currencies have been translated into U.S. dollars. Please see Note 3, Accounting Policies – Adoption of New Accounting Pronouncements, of the Notes to Consolidated Financial Statements.

Basis of Presentation

12 Months Ended

Mar. 31, 2025

1. Basis of Presentation

U-Haul Holding Company, a Nevada Corporation, (“U-Haul Holding Company” or the "Company"), has a fiscal year that ends on the 31st of March for each year that is referenced. Our insurance company subsidiaries have fiscal years that end on the 31st of December for each year that is referenced. They have been consolidated on that basis. Our insurance companies’ financial reporting processes conform to calendar year reporting as required by state insurance departments. We believe that consolidating their calendar year into our fiscal year consolidated financial statements does not materially affect the financial position or results of operations. We disclose material events, if any, occurring during the intervening period. Consequently, all references to our insurance subsidiaries’ years 2024, 2023 and 2022 correspond to fiscal 2025, 2024 and 2023 for U-Haul Holding Company.

Accounts denominated in non-U.S. currencies have been translated into U.S. dollars. Please see Note 3, Accounting Policies – Adoption of New Accounting Pronouncements, of the Notes to Consolidated Financial Statements.