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v3.25.2

Acquisitions and Divestitures - Additional Information (Detail) - JPY (¥) ¥ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 31, 2023 | Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Business Acquisition [Line Items] |  |  |  |  |
Goodwill acquired |  | ¥ 621,858 | ¥ 631,770 | ¥ 627,683 | ¥ 488,856
Bargain purchase gain |  | 3,750 | 0 | 1,174 |
Gain on sale of controlling interest |  |  | 37,930 |  |
Retained interest, fair value disclosure |  |  | ¥ 19,540 |  |
ORIX Credit |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Sale of stock, percentage of ownership before transaction |  |  | 66.00% |  |
Sale of stock, percentage of ownership after transaction |  |  | 34.00% |  |
Real Estate Segment |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill acquired |  | 16,168 | ¥ 16,168 | 16,168 | 16,168
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | 350 |  | 137 |
Corporate Financial Services and Maintenance Leasing |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill acquired |  | 13,383 | 15,051 | 15,105 | 11,576
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | 7,294 |  |  |
ORIX USA |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill acquired |  | 168,559 | 171,880 | 151,582 | 141,000
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | 29,224 | (1,978) | 10,201 |
Asia and Australia |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill acquired |  | 5,839 | 5,982 | 5,428 | 5,395
Bargain purchase gain |  | 3,750 |  |  |
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | 115 |  | 4,676 |
PE Investment and Concession |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | 44,503 | 19,822 | 2,367 |
ORIX Europe |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill acquired |  | 176,608 | 177,515 | 158,588 | 149,270
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | (624) | 2,502 |  |
Environmental And Energy |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | 6,365 | (5,557) | 16,698 |
Aircraft and Ships |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill acquired |  | 1,201 | 0 | 0 | 0
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | 478 |  | (1,076) |
Banking and Credit Segment |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  |  | 57,470 |  |
DHC Corporation |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Acquisitions consideration, cost of acquired entity paid in cash |  |  |  | 300,000 |
Goodwill acquired |  |  | 94,324 |  |
Acquired intangible assets other than goodwill |  |  | 104,910 |  |
Business acquisition, effective date of Acquisition | Jan. 31, 2023 |  |  |  |
DHC Corporation | Selling, General and Administrative Expenses |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  | 3,435 | ¥ 3,435
Series of Individually Immaterial Business Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Acquisitions consideration, cost of acquired entity paid in cash |  | 33,041 | 11,894 | 60,876 |
Goodwill acquired |  | 9,081 | 4,241 | 17,644 |
Acquired intangible assets other than goodwill |  | 21,684 | 7,049 | 31,087 |
Divestiture |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gains on Sales of Subsidiaries and Affiliates and Liquidation Losses, net |  | ¥ 87,705 | ¥ 72,488 | ¥ 33,000 |

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