v3.26.1
Offsetting Assets and Liabilities (Gross Amounts Recognized, Gross Amounts Offset, and Net Amounts Presented in Consolidated Balance Sheets Regarding to Derivative Assets and Liabilities and Other Assets and Liabilities) (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Offsetting Asset and Liabilities [Line Items]    
Gross amounts recognized, assets ¥ 154,513 ¥ 64,170
Gross amounts offset in the consolidated balance sheets, assets (80,880) [1] (20,495)
Net amounts presented in the consolidated balance sheets, assets 73,633 43,675
Gross amounts not offset in the consolidated balance sheets, financial instruments, assets [2] 0 0
Gross amounts not offset in the consolidated balance sheets, collateral received/pledged, assets [2] (3,243) (557)
Net amount, assets 70,390 43,118
Gross amounts recognized, liabilities 118,061 56,038
Gross amounts offset in the consolidated balance sheets, liabilities (51,256) [1] (20,495)
Net amounts presented in the consolidated balance sheets, liabilities 66,805 35,543
Gross amounts not offset in the consolidated balance sheets, financial instruments, liabilities [2] (27,745) (13,802)
Gross amounts not offset in the consolidated balance sheets, collateral received/pledged, liabilities [2] (2,109) (12,777)
Net amount, liabilities 36,951 8,964
Derivative liabilities    
Offsetting Asset and Liabilities [Line Items]    
Gross amounts recognized, liabilities 118,061 56,038
Gross amounts offset in the consolidated balance sheets, liabilities (51,256) [1] (20,495)
Net amounts presented in the consolidated balance sheets, liabilities 66,805 35,543
Gross amounts not offset in the consolidated balance sheets, financial instruments, liabilities [2] (27,745) (13,802)
Gross amounts not offset in the consolidated balance sheets, collateral received/pledged, liabilities [2] (2,109) (12,777)
Net amount, liabilities 36,951 8,964
Derivative assets    
Offsetting Asset and Liabilities [Line Items]    
Gross amounts recognized, assets 154,513 64,170
Gross amounts offset in the consolidated balance sheets, assets (80,880) [1] (20,495)
Net amounts presented in the consolidated balance sheets, assets 73,633 43,675
Gross amounts not offset in the consolidated balance sheets, financial instruments, assets [2] 0 0
Gross amounts not offset in the consolidated balance sheets, collateral received/pledged, assets [2] (3,243) (557)
Net amount, assets ¥ 70,390 ¥ 43,118
[1] Represents amounts offset between derivative assets and liabilities with the same counterparty, as well as cash collateral offset against net derivatives under enforceable master netting agreements or similar agreements.
[2] The balances related to enforceable master netting agreements or similar agreements which were not offset in the consolidated balance sheets.