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v3.25.3

Fair Value Measurements (Information about Valuation Techniques and Significant Unobservable Inputs Used in Valuation of Level Three Assets Measured at Fair Value on Nonrecurring Basis) (Detail) ¥ in Millions | Sep. 30, 2025 JPY (¥) | Mar. 31, 2025 JPY (¥)
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | ¥ 85,724 | ¥ 97,694
Investment in Operating Leases | 2,086,405 | 1,967,178
Fair Value, Measurements, Nonrecurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 168 |
Real estate collateral-dependent loans (net of allowance for credit losses) | 3,490 | 5,881
Investment in Operating Leases | 234 |
Certain equity method investments | 1,109 | 20,619
Total | 42,466 | 49,798
Fair Value, Measurements, Nonrecurring | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 121 |
Real estate collateral-dependent loans (net of allowance for credit losses) | 3,490 | 5,881
Investment in Operating Leases | 234 |
Certain equity method investments | 1,109 | 20,619
Total | 4,954 | 34,605
Fair Value, Measurements, Nonrecurring | Level 3 | Direct capitalization |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Real estate collateral-dependent loans (net of allowance for credit losses) | 1,142 | 1,064
Fair Value, Measurements, Nonrecurring | Level 3 | Discounted cash flows |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 121 |
Investment in operating leases, property under facility operations and office facilities |  | ¥ 3,314
Fair Value, Measurements, Nonrecurring | Level 3 | Discounted cash flows | Discount rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Significant unobservable inputs, Investment in operating leases, property under facility operations and office facilities |  | 0.061
Fair Value, Measurements, Nonrecurring | Level 3 | Appraisals/Broker quotes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Real estate collateral-dependent loans (net of allowance for credit losses) | 2,348 | ¥ 4,817
Investment in operating leases, property under facility operations and office facilities |  | 4,791
Investment in Operating Leases | 234 |
Certain equity method investments | ¥ 1,109 | ¥ 20,619
Fair Value, Measurements, Nonrecurring | Level 3 | Minimum | Direct capitalization | Capitalization rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Significant unobservable inputs, Real estate collateral-dependent loans (net of allowance for credit losses) | 0.047 | 0.044
Fair Value, Measurements, Nonrecurring | Level 3 | Minimum | Discounted cash flows | Discount rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Significant unobservable inputs, Loans held for sale | 0.05 |
Fair Value, Measurements, Nonrecurring | Level 3 | Maximum | Direct capitalization | Capitalization rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Significant unobservable inputs, Real estate collateral-dependent loans (net of allowance for credit losses) | 0.055 | 0.052
Fair Value, Measurements, Nonrecurring | Level 3 | Maximum | Discounted cash flows | Discount rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Significant unobservable inputs, Loans held for sale | 0.08 |
Fair Value, Measurements, Nonrecurring | Level 3 | Weighted Average | Direct capitalization | Capitalization rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Significant unobservable inputs, Real estate collateral-dependent loans (net of allowance for credit losses) | 0.049 | 0.047
Fair Value, Measurements, Nonrecurring | Level 3 | Weighted Average | Discounted cash flows | Discount rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Significant unobservable inputs, Loans held for sale | 0.065 |
Significant unobservable inputs, Investment in operating leases, property under facility operations and office facilities |  | 0.061

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- Definition Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E + Details
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- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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