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Revenues from Contracts with Customers (Tables) | 6 Months Ended
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Sep. 30, 2025
Revenue from Contract with Customer [Abstract] |
Summary of Revenue from Contract with Customers and Other Sources of Revenue | The following table provides information about revenues from contracts with customers, and other sources of revenue for the six months ended September 30, 2024 and 2025 are as follows:
|  | Millions of yen |  |  | Millions of yen |
|  | Six months ended September 30, 2024 |  |  | Six months ended September 30, 2025 |
Revenues from contracts with customers |  | ¥ | 663,040 |  |  | ¥ | 705,583 |
Other revenues * |  |  | 740,593 |  |  |  | 858,914 |
Total revenues |  | ¥ | 1,403,633 |  |  | ¥ | 1,564,497 |
* | Other revenues are not considered to be within the scope of revenue from contracts with customers, such as life insurance premiums and related investment income, operating leases, finance revenues that include interest income, and others.
Summary of Balances from Contracts with Customers | The following table provides information about balances from contracts with customers as of March 31, 2025 and September 30, 2025.
|  | Millions of yen |
|  | March 31, 2025 |  |  | September 30, 2025 |
Trade Notes, Accounts and Other Receivable |  | ¥ | 208,642 |  |  | ¥ | 197,547 |
Contract assets (Included in Other Assets) |  |  | 14,154 |  |  |  | 15,376 |
Contract liabilities (Included in Other Liabilities) |  |  | 40,441 |  |  |  | 36,663 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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