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v3.23.3

Credit Quality of Financial Assets and the Allowance for Credit Losses - Summary of Purchased Loans (Detail) - JPY (¥) ¥ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Credit Loss [Abstract] |  |  |  |
Purchase price | ¥ 1,031 | ¥ 1,537 | ¥ 1,281 | ¥ 1,940
Allowance for credit losses at acquisition date | 7,261 | 2,067 | 7,580 | 2,095
Discount or premium attributable to other factors | 100 | 208 | 125 | 226
Par value | ¥ 8,392 | ¥ 3,812 | ¥ 8,986 | ¥ 4,261

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- Definition Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 19 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-19 + Details
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- Definition Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 19 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-19 + Details
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