v3.26.3
Write-Downs of Long-Lived Assets - Long-Lived Assets and Liabilities Associated With Those Assets Classified as Held for Sale (Detail) - JPY (¥)
¥ in Millions
Sep. 30, 2026
Mar. 31, 2026
Long Lived Assets Held-for-sale [Line Items]    
Office facilities ¥ 0 ¥ 13,890
Other assets 0 9,037
Other liabilities 0 120,438
Discontinued Operations, Held-for-sale    
Long Lived Assets Held-for-sale [Line Items]    
Investment in operating leases 40,175 69,685
Property under facility operations 473 31,883
Office facilities 2,233 4,291
Other assets 8,624 14,405
Other liabilities ¥ 133 ¥ 18,414