XML 94 R88.htm IDEA: XBRL DOCUMENT
v3.23.3

Credit Quality of Financial Assets and the Allowance for Credit Losses - Summary of Modifications of Financing Receivables (Detail) - JPY (¥) ¥ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis |  | ¥ 4,109 |  | ¥ 11,387
Consumer borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis |  | 1,527 |  | 3,175
Consumer borrowers | Card loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis |  | 284 |  | 619
Consumer borrowers | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis |  | ¥ 1,240 |  | ¥ 2,553
Interest rate reduction |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 182 |  | ¥ 245 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Consumer borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 182 |  | ¥ 245 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Consumer borrowers | Real estate loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 3 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Consumer borrowers | Card loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 164 |  | ¥ 222 |
% of total class of financing receivable | 0.10% |  | 0.10% |
Interest rate reduction | Consumer borrowers | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 18 |  | ¥ 20 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Corporate borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Corporate borrowers | Other than Non-recourse loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Corporate borrowers | Other than Non-recourse loans | Real estate companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Net investment in leases |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Interest rate reduction | Net investment in leases | Overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Term extension |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 1,948 |  | ¥ 3,216 |
% of total class of financing receivable | 0.00% |  | 0.10% |
Term extension | Consumer borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 1,236 |  | ¥ 2,354 |
% of total class of financing receivable | 0.10% |  | 0.10% |
Term extension | Consumer borrowers | Real estate loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 1 |  | ¥ 1 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Term extension | Consumer borrowers | Card loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 1 |  | ¥ 1 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Term extension | Consumer borrowers | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 1,234 |  | ¥ 2,352 |
% of total class of financing receivable | 1.50% |  | 2.90% |
Term extension | Corporate borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 712 |  | ¥ 862 |
% of total class of financing receivable | 0.00% |  | 0.10% |
Term extension | Corporate borrowers | Other than Non-recourse loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 712 |  | ¥ 862 |
% of total class of financing receivable | 0.10% |  | 0.10% |
Term extension | Corporate borrowers | Other than Non-recourse loans | Real estate companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 35 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Term extension | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 427 |  | ¥ 542 |
% of total class of financing receivable | 0.20% |  | 0.20% |
Term extension | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 285 |  | ¥ 285 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Term extension | Net investment in leases |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Term extension | Net investment in leases | Overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 21 |  | ¥ 103 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Consumer borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 16 |  | ¥ 45 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Consumer borrowers | Real estate loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 1 |  | ¥ 1 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Consumer borrowers | Card loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 15 |  | ¥ 41 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Consumer borrowers | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 3 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Corporate borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 5 |  | ¥ 58 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Corporate borrowers | Other than Non-recourse loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 5 |  | ¥ 58 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Real estate companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 5 |  | ¥ 58 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Net investment in leases |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Principal forgiveness | Net investment in leases | Overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 5 |  | ¥ 14 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Consumer borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 5 |  | ¥ 14 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Consumer borrowers | Real estate loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Consumer borrowers | Card loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Consumer borrowers | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 5 |  | ¥ 14 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Corporate borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Corporate borrowers | Other than Non-recourse loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Corporate borrowers | Other than Non-recourse loans | Real estate companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Net investment in leases |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and term extension | Net investment in leases | Overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 247 |  | ¥ 583 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Consumer borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 247 |  | ¥ 583 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Consumer borrowers | Real estate loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Consumer borrowers | Card loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 239 |  | ¥ 563 |
% of total class of financing receivable | 0.10% |  | 0.30% |
Combination - interest rate reduction and principal forgiveness | Consumer borrowers | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 8 |  | ¥ 20 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Corporate borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Corporate borrowers | Other than Non-recourse loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Real estate companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Net investment in leases |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - interest rate reduction and principal forgiveness | Net investment in leases | Overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 112 |  | ¥ 264 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Consumer borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 112 |  | ¥ 264 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Consumer borrowers | Real estate loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Consumer borrowers | Card loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Consumer borrowers | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 112 |  | ¥ 264 |
% of total class of financing receivable | 0.10% |  | 0.30% |
Combination - term extension and principal forgiveness | Corporate borrowers |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Corporate borrowers | Other than Non-recourse loans |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Real estate companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in Japan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Corporate borrowers | Other than Non-recourse loans | Commercial, industrial and other companies in overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Net investment in leases |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |
Combination - term extension and principal forgiveness | Net investment in leases | Overseas |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Amortized cost basis | ¥ 0 |  | ¥ 0 |
% of total class of financing receivable | 0.00% |  | 0.00% |

X
- Definition Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A + Details
Name: | us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-33 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-34 + Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-33 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CreditCardReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_OtherConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_OtherThanNonRecourseLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ck0001070304_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableOneAxis=ck0001070304_RealEstateCompaniesInJapanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ck0001070304_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableOneAxis=ck0001070304_CommercialIndustrialAndOtherCompaniesInJapanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ck0001070304_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableOneAxis=ck0001070304_CommercialIndustrialAndOtherCompaniesInOverseasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ck0001070304_NetInvestmentInLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_OverseasLeaseInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PrincipalForgivenessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=ck0001070304_ExtendedInterestRateReductionAndPrincipalForgivenessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndPrincipalForgivenessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |