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Quantitative Information About Delinquencies, Net Credit Losses, and Components of Financial Assets Sold on Securitization and Other Assets Managed Together (Detail) (JPY ¥) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2012
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |
Principal amount of assets managed or sold on securitization receivables | ¥ 3,409,628 | ¥ 3,680,551 |
Direct financing leases sold on securitization | 1,156 | 1,698 |
Principal amount of assets managed or sold on securitization receivables | 3,410,784 | 3,682,249 |
Principal amount of assets managed or sold on securitization receivables more than 90 days past-due and impaired loans | 155,860 | 236,291 |
Direct financing lease sold on securitization | 0 | 0 |
Principal amount of assets managed or sold on securitization receivables more than 90 days past-due and impaired loans | 155,860 | 236,291 |
Assets recorded on the balance sheet credit losses | 28,112 | 43,188 | 36,259
Direct financing lease sold on securitization credit losses | 0 | 0 | 0
Assets managed or sold on securitization net credit losses | 28,112 | 43,188 | 36,259
Direct Financing Leases |  |  |
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |
Principal amount of assets managed or sold on securitization receivables | 1,094,073 | 989,380 |
Principal amount of assets managed or sold on securitization receivables more than 90 days past-due and impaired loans | 13,887 | 15,806 |
Assets recorded on the balance sheet credit losses | 4,351 | 4,046 | 6,783
Installment Loans |  |  |
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |
Principal amount of assets managed or sold on securitization receivables | 2,315,555 | 2,691,171 |
Principal amount of assets managed or sold on securitization receivables more than 90 days past-due and impaired loans | 141,973 | 220,485 |
Assets recorded on the balance sheet credit losses | ¥ 23,761 | ¥ 39,142 | ¥ 29,476

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- Definition Delinquent Amount At End Of Period On Loans And Direct Financing Lease Managed And Securitized + References No definition available. + Details
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- Definition Net Credit Losses During Period of Loans and Direct Financing Lease Held in Portfolio + References No definition available. + Details
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- Definition Net Credit Losses During Period On Financial Assets Securitized + References No definition available. + Details
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- Definition Net Credit Losses During Period on Loans and Direct Financing Lease Managed or Securitized + References No definition available. + Details
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- Definition This is the principal amount of loans (across all types of loans) that are overdue in payment by a set number of days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e)(4) -URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719 + Details
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- Definition This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719 + Details
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- Definition This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719 + Details
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