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Credit Quality of Financial Assets and the Allowance for Credit Losses - Summary of Financial Effect of Modifications of Financing Receivable (Detail) ¥ in Millions | 12 Months Ended
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Mar. 31, 2024 JPY (¥)
Interest rate reduction | Consumer borrowers | Real estate loans | Maximum [Member] |
Financing Receivable, Modifications [Line Items] |
Interest rate reduction | 5.30%
Interest rate reduction | Consumer borrowers | Real estate loans | Minimum [Member] |
Financing Receivable, Modifications [Line Items] |
Interest rate reduction | 0.00%
Interest rate reduction | Consumer borrowers | Card loans | Maximum [Member] |
Financing Receivable, Modifications [Line Items] |
Interest rate reduction | 12.70%
Interest rate reduction | Consumer borrowers | Card loans | Minimum [Member] |
Financing Receivable, Modifications [Line Items] |
Interest rate reduction | 0.70%
Interest rate reduction | Consumer borrowers | Other | Maximum [Member] |
Financing Receivable, Modifications [Line Items] |
Interest rate reduction | 14.60%
Interest rate reduction | Consumer borrowers | Other | Minimum [Member] |
Financing Receivable, Modifications [Line Items] |
Interest rate reduction | 5.30%
Interest rate reduction | Corporate borrowers | Other than non-recourse loans | Commercial, industrial and other companies | Overseas | Maximum [Member] |
Financing Receivable, Modifications [Line Items] |
Interest rate reduction | 8.80%
Interest rate reduction | Corporate borrowers | Other than non-recourse loans | Commercial, industrial and other companies | Overseas | Minimum [Member] |
Financing Receivable, Modifications [Line Items] |
Interest rate reduction | 6.40%
Term extension | Consumer borrowers | Real estate loans |
Financing Receivable, Modifications [Line Items] |
Term extension | 1 year
Term extension | Consumer borrowers | Card loans |
Financing Receivable, Modifications [Line Items] |
Term extension | 10 months 24 days
Term extension | Consumer borrowers | Other |
Financing Receivable, Modifications [Line Items] |
Term extension | 4 years 10 months 24 days
Term extension | Corporate borrowers | Non-recourse Loans | The Americas |
Financing Receivable, Modifications [Line Items] |
Term extension | 1 year
Term extension | Corporate borrowers | Other than non-recourse loans | Real estate companies | Japan |
Financing Receivable, Modifications [Line Items] |
Term extension | 6 months
Term extension | Corporate borrowers | Other than non-recourse loans | Commercial, industrial and other companies | Japan |
Financing Receivable, Modifications [Line Items] |
Term extension | 1 year
Term extension | Corporate borrowers | Other than non-recourse loans | Commercial, industrial and other companies | Overseas |
Financing Receivable, Modifications [Line Items] |
Term extension | 3 years 1 month 6 days
Term extension | Loans to Equity Method Investees |
Financing Receivable, Modifications [Line Items] |
Term extension | 7 months 6 days
Principal forgiveness | Consumer borrowers | Real estate loans |
Financing Receivable, Modifications [Line Items] |
Principal forgiveness | ¥ 8
Principal forgiveness | Consumer borrowers | Card loans |
Financing Receivable, Modifications [Line Items] |
Principal forgiveness | 185
Principal forgiveness | Consumer borrowers | Other |
Financing Receivable, Modifications [Line Items] |
Principal forgiveness | 785
Principal forgiveness | Corporate borrowers | Other than non-recourse loans | Commercial, industrial and other companies | Overseas |
Financing Receivable, Modifications [Line Items] |
Principal forgiveness | 1,487
Principal forgiveness | Loans to Equity Method Investees |
Financing Receivable, Modifications [Line Items] |
Principal forgiveness | 624
Principal forgiveness | Net investment in leases | Overseas |
Financing Receivable, Modifications [Line Items] |
Principal forgiveness | ¥ 0

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