XML 133 R123.htm IDEA: XBRL DOCUMENT
v3.25.2

Credit Quality of Financial Assets and the Allowance for Credit Losses - Summary of Past Due Financial Assets Modified to Debtors (Detail) - JPY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified |  |  | ¥ 5,500
Current |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | ¥ 24,963 | ¥ 10,522 |
30-89 days past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 2,142 | 91 |
90 days or more past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 62 | 291 |
Consumer borrowers |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified |  |  | 808
Consumer borrowers | Current |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 173 | 35 |
Consumer borrowers | 30-89 days past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 1 | 91 |
Consumer borrowers | 90 days or more past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 17 | 7 |
Consumer borrowers | Real estate loans |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified |  |  | 5
Consumer borrowers | Real estate loans | Current |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified |  | 1 |
Consumer borrowers | Real estate loans | 30-89 days past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified |  | 0 |
Consumer borrowers | Real estate loans | 90 days or more past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified |  | 0 |
Consumer borrowers | Other |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified |  |  | ¥ 801
Consumer borrowers | Other | Current |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 173 | 34 |
Consumer borrowers | Other | 30-89 days past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 1 | 91 |
Consumer borrowers | Other | 90 days or more past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 17 | 7 |
Corporate borrowers | Current |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 23,857 | 6,140 |
Corporate borrowers | 30-89 days past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 2,141 | 0 |
Corporate borrowers | 90 days or more past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 45 | 284 |
Corporate borrowers | Non-recourse Loans | Current |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 1,277 |
Corporate borrowers | Non-recourse Loans | Current | The Americas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 1,277 |
Corporate borrowers | Non-recourse Loans | 30-89 days past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 2,141 | 0 |
Corporate borrowers | Non-recourse Loans | 30-89 days past-due | The Americas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 2,141 | 0 |
Corporate borrowers | Non-recourse Loans | 90 days or more past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 0 |
Corporate borrowers | Non-recourse Loans | 90 days or more past-due | The Americas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 0 |
Corporate borrowers | Other than non-recourse loans | Current |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 23,857 | 4,863 |
Corporate borrowers | Other than non-recourse loans | Current | Real estate companies | Japan |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 1,243 | 37 |
Corporate borrowers | Other than non-recourse loans | Current | Real estate companies | Overseas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 1,701 |  |
Corporate borrowers | Other than non-recourse loans | Current | Commercial, industrial and other companies | Japan |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 623 | 481 |
Corporate borrowers | Other than non-recourse loans | Current | Commercial, industrial and other companies | Overseas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 20,290 | 4,345 |
Corporate borrowers | Other than non-recourse loans | 30-89 days past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 0 |
Corporate borrowers | Other than non-recourse loans | 30-89 days past-due | Real estate companies | Japan |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 0 |
Corporate borrowers | Other than non-recourse loans | 30-89 days past-due | Real estate companies | Overseas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 |  |
Corporate borrowers | Other than non-recourse loans | 30-89 days past-due | Commercial, industrial and other companies | Japan |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 0 |
Corporate borrowers | Other than non-recourse loans | 30-89 days past-due | Commercial, industrial and other companies | Overseas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 0 |
Corporate borrowers | Other than non-recourse loans | 90 days or more past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 45 | 284 |
Corporate borrowers | Other than non-recourse loans | 90 days or more past-due | Real estate companies | Japan |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 29 | 32 |
Corporate borrowers | Other than non-recourse loans | 90 days or more past-due | Real estate companies | Overseas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 |  |
Corporate borrowers | Other than non-recourse loans | 90 days or more past-due | Commercial, industrial and other companies | Japan |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 230 |
Corporate borrowers | Other than non-recourse loans | 90 days or more past-due | Commercial, industrial and other companies | Overseas |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 16 | 22 |
Loans to Equity Method Investees | Current |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 933 | 4,347 |
Loans to Equity Method Investees | 30-89 days past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | 0 | 0 |
Loans to Equity Method Investees | 90 days or more past-due |  |  |
Financing Receivable, Modified, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modified | ¥ 0 | ¥ 0 |

X
- Definition Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-34 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/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 44 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-44 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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/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 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 44 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-44 + Details
Name: | us-gaap_FinancingReceivableModifiedSubsequentDefaultLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=ck0001070304_FinancingReceivables30To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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_RealEstateLoanMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_NonRecourseLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AmericasMember
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_RealEstateCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=ck0001070304_OverseasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ck0001070304_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableOneAxis=ck0001070304_CommercialIndustrialAndOtherCompaniesLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ck0001070304_LoansToEquityMethodInvesteesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |