v3.26.3
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
Sep. 30, 2026
Mar. 31, 2026
Offsetting Asset and Liabilities [Line Items]    
Gross amounts recognized, assets ¥ 126,433 ¥ 154,513
Gross amounts offset in the consolidated balance sheets, assets [1] (66,344) (80,880)
Net amounts presented in the consolidated balance sheets, assets 60,089 73,633
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] (5,709) (3,243)
Net amount, assets 54,380 70,390
Gross amounts recognized, liabilities 93,669 118,058
Gross amounts offset in the consolidated balance sheets, liabilities [1] (44,894) (51,256)
Net amounts presented in the consolidated balance sheets, liabilities 48,775 66,802
Gross amounts not offset in the consolidated balance sheets, financial instruments, liabilities [2] (18,909) (27,745)
Gross amounts not offset in the consolidated balance sheets, collateral received/pledged, liabilities [2] (2,632) (2,033)
Net amount, liabilities 27,234 37,024
Derivative liabilities    
Offsetting Asset and Liabilities [Line Items]    
Gross amounts recognized, liabilities 93,669 118,058
Gross amounts offset in the consolidated balance sheets, liabilities [1] (44,894) (51,256)
Net amounts presented in the consolidated balance sheets, liabilities 48,775 66,802
Gross amounts not offset in the consolidated balance sheets, financial instruments, liabilities [2] (18,909) (27,745)
Gross amounts not offset in the consolidated balance sheets, collateral received/pledged, liabilities [2] (2,632) (2,033)
Net amount, liabilities 27,234 37,024
Derivative assets    
Offsetting Asset and Liabilities [Line Items]    
Gross amounts recognized, assets 126,433 154,513
Gross amounts offset in the consolidated balance sheets, assets [1] (66,344) (80,880)
Net amounts presented in the consolidated balance sheets, assets 60,089 73,633
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] (5,709) (3,243)
Net amount, assets ¥ 54,380 ¥ 70,390
[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.