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Notes to Condensed Financial Information - U-Haul Holding Company [Member] | 12 Months Ended
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Mar. 31, 2023
1. Summary of Significant Accounting Policies | U-Haul Holding Company, a Nevada corporation, was incorporated in April, 1969, and is the holding Company for U-Haul International, Inc., Amerco Real Estate Company, Repwest Insurance Company and Oxford Life Insurance Company. The financial statements of the Registrant should be read in conjunction with the Consolidated Financial Statements and notes thereto included in this Annual Report. U-Haul Holding Company is included in a consolidated Federal income tax return with all of its U.S. subsidiaries. Accordingly, the provision for income taxes has been calculated for Federal income taxes of U-Haul Holding Company and subsidiaries included in the consolidated return of U-Haul Holding Company. State taxes for all subsidiaries are allocated to the respective subsidiaries. The financial statements include only the accounts of U-Haul Holding Company, which include certain of the corporate operations of U-Haul Holding Company. The interest in U-Haul Holding Company’s majority owned subsidiaries is accounted for using the equity method. The intercompany interest income and expenses are eliminated in the Consolidated Financial Statements.
2. Guarantees | U-Haul Holding Company has guaranteed performance of certain long-term leases and other obligations. See Note 18, Leases, and Note 20, Related Party Transactions, of the Notes to Consolidated Financial Statements.

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- Definition The entire disclosure for each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -URI https://asc.fasb.org/topic&trid=2155896 + Details
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