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ORIX Corporation Shareholders' Equity - Additional Information (Detail) - JPY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Class of Stock [Line Items] |  |  |
Dividends to be distributed to shareholders | ¥ 64,405 |  |
Declared date of dividends to be distributed to shareholders | 2024-05 |  |
Record date of dividends to be distributed to shareholders | Mar. 31, 2024 |  |
Amount available for dividends under the Japanese Companies Act | ¥ 881,265 |  |
Equity in undistributed earnings of the companies accounted for by the equity method | 36,774 | ¥ 22,081 | ¥ 24,565
Restricted net assets of certain subsidiaries include regulatory capital requirements for banking and life insurance operations | 14,822 |  |
Retained Earnings |  |  |
Class of Stock [Line Items] |  |  |
Equity in undistributed earnings of the companies accounted for by the equity method | ¥ 110,586 |  |

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