Contingencies	12 Months Ended
Mar. 31, 2025
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Note 19. Contingencies Cybersecurity Incident On September 9, 2022, we announced that the Company was made aware of a data security incident involving U-Haul's information technology network. U-Haul detected two unique passwords were compromised and used to access U-Haul customers' information. U-Haul took immediate steps to contain the incident and promptly enhanced its security measures to prevent any further unauthorized access. U-Haul retained cybersecurity experts and incident response counsel to investigate the incident and implement additional security safeguards. The investigation determined that between November 5, 2021 and April 8, 2022, the threat actor accessed customer contracts containing customers’ names, dates of birth, and driver’s license or state identification numbers. None of U-Haul’s financial, payment processing or email systems were involved. U-Haul has notified impacted customers and relevant governmental authorities. Several class action lawsuits related to the incident were filed against U-Haul, which were consolidated into one action in the U.S. District Court for the District of Arizona (the "Court"). On October 27, 2023, the Court dismissed with prejudice all claims, except those brought under the California Consumer Privacy Act. The parties settled all remaining claims for $5.1 million pursuant to a settlement agreement approved by order of the Court on October 25, 2024. The full amount of $5.1 million is covered by insurance and has been paid by the insurer into trust for disbursement in accordance with the terms of the settlement agreement. Environmental Compliance with environmental requirements of federal, state, provincial and local governments may affect Real Estate’s business operations. Among other things, these requirements regulate the discharge of materials into the air, land and water and govern the use and disposal of hazardous substances. Real Estate is aware of issues regarding hazardous substances on some of its properties. Real Estate regularly makes capital and operating expenditures to stay in compliance with environmental laws and has put in place a remedial plan at each site where it believes such a plan is necessary. Based upon the information currently available to Real Estate, compliance with environmental laws and its share of the costs of investigation and cleanup of known hazardous waste sites are not expected to result in a material adverse effect on the Company’s financial position, results of operations or cash flows. Other We are named as a defendant in various other litigation and claims arising out of the normal course of business. In management’s opinion, none of such other litigation and claims will have a material effect on our financial position and results of operations.

Contingencies

12 Months Ended

Mar. 31, 2025

Commitments and Contingencies Disclosure [Abstract]

Note 19. Contingencies

Cybersecurity Incident

On September 9, 2022, we announced that the Company was made aware of a data security incident involving U-Haul's information technology network. U-Haul detected two unique passwords were compromised and used to access U-Haul customers' information. U-Haul took immediate steps to contain the incident and promptly enhanced its security measures to prevent any further unauthorized access. U-Haul retained cybersecurity experts and incident response counsel to investigate the incident and implement additional security safeguards. The investigation determined that between November 5, 2021 and April 8, 2022, the threat actor accessed customer contracts containing customers’ names, dates of birth, and driver’s license or state identification numbers. None of U-Haul’s financial, payment processing or email systems were involved. U-Haul has notified impacted customers and relevant governmental authorities.

Several class action lawsuits related to the incident were filed against U-Haul, which were consolidated into one action in the U.S. District Court for the District of Arizona (the "Court"). On October 27, 2023, the Court dismissed with prejudice all claims, except those brought under the California Consumer Privacy Act. The parties settled all remaining claims for $5.1 million pursuant to a settlement agreement approved by order of the Court on October 25, 2024. The full amount of $5.1

million is covered by insurance and has been paid by the insurer into trust for disbursement in accordance with the terms of the settlement agreement.

Environmental

Compliance with environmental requirements of federal, state, provincial and local governments may affect Real Estate’s business operations. Among other things, these requirements regulate the discharge of materials into the air, land and water and govern the use and disposal of hazardous substances. Real Estate is aware of issues regarding hazardous substances on some of its properties. Real Estate regularly makes capital and operating expenditures to stay in compliance with environmental laws and has put in place a remedial plan at each site where it believes such a plan is necessary.

Based upon the information currently available to Real Estate, compliance with environmental laws and its share of the costs of investigation and cleanup of known hazardous waste sites are not expected to result in a material adverse effect on the Company’s financial position, results of operations or cash flows.

Other

We are named as a defendant in various other litigation and claims arising out of the normal course of business. In management’s opinion, none of such other litigation and claims will have a material effect on our financial position and results of operations.