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v3.25.3

Commitments, Guarantees, and Contingent Liabilities (Assets Provided as Collateral for Short-Term and Long-Term Debt Payables to Financial Institutions) (Detail) - JPY (¥) ¥ in Millions | Sep. 30, 2025 | Mar. 31, 2025
--- | --- | ---
Commitments and Contingencies Disclosure [Line Items] |  |
Lease payments, loans and investment in operating leases | ¥ 5,296,674 | ¥ 5,105,469
Other assets and other | 2,524,635 | 2,226,849
Total Assets | 17,604,283 | 16,866,251
Asset Pledged as Collateral without Right |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Lease payments, loans and investment in operating leases | 294,204 | 301,092
Investment in securities | 338,366 | 299,588
Property under facility operations | 345,472 | 303,491
Other assets and other | 165,832 | 115,982
Total Assets | ¥ 1,143,874 | ¥ 1,020,153

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