v3.26.1
Offsetting of Financial Assets and Financial Liabilities - Offsetting Information Regarding Financial Assets and Financial Liabilities (Detail) - Derivatives [member] - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Disclosure of detailed information about financial instruments [line items]    
Gross amounts of recognized financial assets ¥ 246,785 ¥ 133,077
Amounts offset in the consolidated statements of financial position, financial assets
Net amounts presented in the consolidated statements of financial position, financial assets 246,785 133,077
Amounts not offset due to not meeting offsetting criteria despite being subject to a master netting agreement or similar agreement, financial assets (131,871) (64,202)
Net Amounts, financial assets 114,914 68,875
Gross amounts of recognized financial liabilities 122,477 171,630
Amounts offset in the consolidated statements of financial position, financial liabilities
Net amounts presented in the consolidated statements of financial position, financial liabilities 122,477 171,630
Amounts not offset due to not meeting offsetting criteria despite being subject to a master netting agreement or similar agreement, financial liabilities (67,019) (64,202)
Net Amounts, financial liabilities ¥ 55,458 ¥ 107,428