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Equity Method Investments | 6 Months Ended
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Sep. 30, 2025
Equity Method Investments and Joint Ventures [Abstract] |
Equity Method Investments |
11. | Equity method investments
Equity method investments at March 31, 2025 and September 30, 2025 consists of the following:
|  | Millions of yen |
| March 31, 2025 |  |  | September 30, 2025 |
Investment in corporate entities |  | ¥ | 973,795 |  |  | ¥ | 825,879 |
Investment in real estate joint ventures |  |  | 137,274 |  |  |  | 144,363 |
Investment in partnerships and other investments |  |  | 208,946 |  |  |  | 270,437 |
|  | ¥ | 1,320,015 |  |  | ¥ | 1,240,679 |

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- Definition The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. + References Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/740-323-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 323 -Publisher FASB -URI https://asc.fasb.org/323/tableOfContent + Details
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