v3.26.1
Offsetting of Derivatives, Repurchase Agreements, and Securities Lending Transactions (Tables)
12 Months Ended
Mar. 31, 2026
Offsetting [Abstract]  
Offsetting Assets For certain transactions where a legal opinion with respect to the enforceability of netting has not been sought or obtained, the related amounts are not subject to enforceable master netting agreements and not included in “Gross amounts not offset in the consolidated balance sheet” column in the tabular disclosure below.
At March 31, 2025:
Gross amounts of
 recognized
 assets/liabilities
 
Gross amounts
 offset in the
 consolidated
 balance sheet
 
Net amounts
 presented in the
 consolidated
 balance sheet
 
Gross amounts not offset in
 the consolidated balance sheet
 Net amounts
Financial
 instruments
 
Cash collateral
 received/pledged
 (in billions)
Financial assets:           
Derivative assets¥20,748 ¥— ¥20,748 ¥(17,542)¥(1,053)¥2,153 
Receivables under resale agreements21,538 (2,756)18,782 (17,515)(1)1,266 
Receivables under securities borrowing transactions5,720 (19)5,701 (4,154)— 1,547 
Total¥48,006 ¥(2,775)¥45,231 ¥(39,211)¥(1,054)¥4,966 
Financial liabilities:
Derivative liabilities¥20,995 ¥— ¥20,995 ¥(17,031)¥(1,477)¥2,487 
Payables under repurchase agreements46,381 (2,717)43,664 (41,856)(144)1,664 
Payables under securities lending transactions737 (19)718 (693)— 25 
Obligations to return securities received as collateral6,047 — 6,047 (1,502)— 4,545 
Total¥74,160 ¥(2,736)¥71,424 ¥(61,082)¥(1,621)¥8,721 
At March 31, 2026:
Gross amounts of
 recognized
 assets/liabilities
 
Gross amounts
 offset in the
 consolidated
 balance sheet
 Net amounts
 presented in the
 consolidated
 balance sheet
 
Gross amounts not offset in
 the consolidated balance sheet
 Net amounts
Financial
 instruments
 
Cash collateral
 received/pledged
 (in billions)
Financial assets:           
Derivative assets¥38,949 ¥— ¥38,949 ¥(34,642)¥(1,081)¥3,226 
Receivables under resale agreements19,661 (2,776)16,885 (15,791)(6)1,088 
Receivables under securities borrowing transactions5,493 — 5,493 (4,350)— 1,143 
Total¥64,103 ¥(2,776)¥61,327 ¥(54,783)¥(1,087)¥5,457 
Financial liabilities:
Derivative liabilities¥40,347 ¥— ¥40,347 ¥(34,171)¥(2,686)¥3,490 
Payables under repurchase agreements42,292 (2,776)39,516 (37,347)(130)2,039 
Payables under securities lending transactions1,252 — 1,252 (1,206)(16)30 
Obligations to return securities received as collateral8,468 — 8,468 (3,504)— 4,964 
Total¥92,359 ¥(2,776)¥89,583 ¥(76,228)¥(2,832)¥10,523 
Offsetting Liabilities For certain transactions where a legal opinion with respect to the enforceability of netting has not been sought or obtained, the related amounts are not subject to enforceable master netting agreements and not included in “Gross amounts not offset in the consolidated balance sheet” column in the tabular disclosure below.
At March 31, 2025:
Gross amounts of
 recognized
 assets/liabilities
 
Gross amounts
 offset in the
 consolidated
 balance sheet
 
Net amounts
 presented in the
 consolidated
 balance sheet
 
Gross amounts not offset in
 the consolidated balance sheet
 Net amounts
Financial
 instruments
 
Cash collateral
 received/pledged
 (in billions)
Financial assets:           
Derivative assets¥20,748 ¥— ¥20,748 ¥(17,542)¥(1,053)¥2,153 
Receivables under resale agreements21,538 (2,756)18,782 (17,515)(1)1,266 
Receivables under securities borrowing transactions5,720 (19)5,701 (4,154)— 1,547 
Total¥48,006 ¥(2,775)¥45,231 ¥(39,211)¥(1,054)¥4,966 
Financial liabilities:
Derivative liabilities¥20,995 ¥— ¥20,995 ¥(17,031)¥(1,477)¥2,487 
Payables under repurchase agreements46,381 (2,717)43,664 (41,856)(144)1,664 
Payables under securities lending transactions737 (19)718 (693)— 25 
Obligations to return securities received as collateral6,047 — 6,047 (1,502)— 4,545 
Total¥74,160 ¥(2,736)¥71,424 ¥(61,082)¥(1,621)¥8,721 
At March 31, 2026:
Gross amounts of
 recognized
 assets/liabilities
 
Gross amounts
 offset in the
 consolidated
 balance sheet
 Net amounts
 presented in the
 consolidated
 balance sheet
 
Gross amounts not offset in
 the consolidated balance sheet
 Net amounts
Financial
 instruments
 
Cash collateral
 received/pledged
 (in billions)
Financial assets:           
Derivative assets¥38,949 ¥— ¥38,949 ¥(34,642)¥(1,081)¥3,226 
Receivables under resale agreements19,661 (2,776)16,885 (15,791)(6)1,088 
Receivables under securities borrowing transactions5,493 — 5,493 (4,350)— 1,143 
Total¥64,103 ¥(2,776)¥61,327 ¥(54,783)¥(1,087)¥5,457 
Financial liabilities:
Derivative liabilities¥40,347 ¥— ¥40,347 ¥(34,171)¥(2,686)¥3,490 
Payables under repurchase agreements42,292 (2,776)39,516 (37,347)(130)2,039 
Payables under securities lending transactions1,252 — 1,252 (1,206)(16)30 
Obligations to return securities received as collateral8,468 — 8,468 (3,504)— 4,964 
Total¥92,359 ¥(2,776)¥89,583 ¥(76,228)¥(2,832)¥10,523