Consolidating Financial Information by Industry Segment (Table Text Block)

3 Months Ended

6 Months Ended

12 Months Ended

Sep. 30, 2024

Sep. 30, 2023

Sep. 30, 2024

Sep. 30, 2023

Mar. 31, 2024

Table Text Block Supplement [Abstract]

Revenues and earnings by segment

	Moving & Storage Consolidated		Property & Casualty Insurance		Life Insurance		Eliminations			U-Haul Holding Company Consolidated
	(Unaudited)
	(In thousands)
Total revenues	$	1,573,643	$	31,461	$	56,157	$	(3,153	)	$	1,658,108
Total earnings (losses) from operations before equity in earnings of subsidiaries	$	280,695	$	13,823	$	7,690	$	(252	)	$	301,956

	Moving & Storage Consolidated		Property & Casualty Insurance		Life Insurance		Eliminations			U-Haul Holding Company Consolidated
	(Unaudited)
	(In thousands)
Total revenues	$	1,565,578	$	31,852	$	55,522	$	(3,092	)	$	1,649,860
Total earnings from operations before equity in earnings of subsidiaries	$	401,704	$	15,419	$	5,608	$	(376	)	$	422,355

	Moving & Storage Consolidated		Property & Casualty Insurance		Life Insurance		Eliminations			U-Haul Holding Company Consolidated
	(Unaudited)
	(In thousands)
Total revenues	$	3,042,804	$	59,639	$	109,906	$	(5,751	)	$	3,206,598
Total earnings from operations before equity in earnings of subsidiaries	$	575,753	$	25,306	$	7,643	$	(504	)	$	608,198

	Moving & Storage Consolidated		Property & Casualty Insurance		Life Insurance		Eliminations			U-Haul Holding Company Consolidated
	(Unaudited)
	(In thousands)
Total revenues	$	3,025,091	$	59,691	$	111,203	$	(5,817	)	$	3,190,168
Total earnings from operations before equity in earnings of subsidiaries	$	788,395	$	27,401	$	6,964	$	(747	)	$	822,013

Assets by operating segment

	Moving & Storage Consolidated		Property & Casualty Insurance		Life Insurance		Eliminations			U-Haul Holding Company Consolidated
	(Unaudited)
	(In thousands)
Total assets	$	17,164,316	$	516,162	$	3,058,427	$	(612,354	)	$	20,126,551

	Moving & Storage Consolidated		Property & Casualty Insurance		Life Insurance		Eliminations			U-Haul Holding Company Consolidated
	(Unaudited)
	(In thousands)
Total assets	$	16,149,748	$	501,566	$	2,990,903	$	(583,459	)	$	19,058,758