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Contractual Maturities of Installment Loans Except Purchased Loans (Detail) (JPY ¥) In Millions, unless otherwise specified | Mar. 31, 2014
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Accounts, Notes, Loans and Financing Receivable [Line Items] |
2015 | ¥ 509,601
2016 | 243,109
2017 | 217,104
2018 | 170,556
2019 | 171,551
Thereafter | 950,293
Total | ¥ 2,262,214

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