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Derivative Financial Instruments and Hedging (Effect of Derivative Instruments on Consolidated Statements of Income, Pre-tax, Hedges of net investment in foreign operations) (Detail) - Hedges of net investment in foreign operations - Derivatives designated as hedging instruments - JPY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Borrowings and bonds in foreign currencies |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gains (losses) recognized in other comprehensive income on derivative and others | ¥ (66,947) | ¥ (63,922) | ¥ (15,840)
Foreign exchange contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gains (losses) recognized in other comprehensive income on derivative and others | (21,316) | (28,498) | (27,128)
Gains on sales of subsidiaries and affiliates and liquidation losses, net | Borrowings and bonds in foreign currencies |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gains (losses) reclassified from other comprehensive income (loss) into income | 0 | 0 | 0
Gains on sales of subsidiaries and affiliates and liquidation losses, net | Foreign exchange contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gains (losses) reclassified from other comprehensive income (loss) into income | (7,874) | (104) | 1,145
Interest expense | Borrowings and bonds in foreign currencies |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gains (losses) reclassified from other comprehensive income (loss) into income | 0 | 0 | 0
Interest expense | Foreign exchange contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gains (losses) reclassified from other comprehensive income (loss) into income | 7,051 | 1,673 | 3,181
Other (income) and expense | Borrowings and bonds in foreign currencies |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gains (losses) reclassified from other comprehensive income (loss) into income | 0 | 0 | 0
Other (income) and expense | Foreign exchange contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gains (losses) reclassified from other comprehensive income (loss) into income | ¥ (252) | ¥ 5 | ¥ 21

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- Definition Gains (losses) recognized in other comprehensive income on derivative and others. + References No definition available. + Details
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- Definition Other Comprehensive Income Loss Cash Flow Hedges Gain Loss Before Reclassification And Tax. + References No definition available. + Details
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- 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 No definition available. + Details
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