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ORIX Corporation Shareholders' Equity (Information about Dividend Payments and Applicable Dividends) (Detail) - JPY (¥) ¥ / shares in Units, ¥ in Millions | 6 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Dividends Payable [Line Items] |  |
Resolution | The board of directors on May 17, 2023 | The board of directors on May 18, 2022
Type of shares | Common stock | Common stock
Total dividends paid | ¥ 50,209 | ¥ 55,704
Dividend per share | ¥ 42.8 | ¥ 46.6
Date of record for dividend | Mar. 31, 2023 | Mar. 31, 2022
Effective date for dividend | Jun. 05, 2023 | Jun. 03, 2022
Dividend resource | Retained earnings | Retained earnings
Effective Date |  |
Dividends Payable [Line Items] |  |
Resolution | The board of directors on November 1, 2023 | The board of directors on November 7, 2022
Type of shares | Common stock | Common stock
Total dividends paid | ¥ 49,691 | ¥ 50,586
Dividend per share | ¥ 42.8 | ¥ 42.8
Date of record for dividend | Sep. 30, 2023 | Sep. 30, 2022
Effective date for dividend | Dec. 07, 2023 | Dec. 06, 2022
Dividend resource | Retained earnings | Retained earnings

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