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Leases - Additional Information (Detail) ¥ in Millions | 12 Months Ended
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Mar. 31, 2024 JPY (¥)
Schedule of Operating Leases [Line Items] |
Lease receivable of net investment expiration period | 18 years
Remaining expiration period | 57 years
Sale and leaseback transaction, gain (loss), net | ¥ 2,661

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