Employee benefit plans - Amounts in Accumulated other comprehensive income, pre-tax, that have not yet been recognized as components of net periodic benefit cost (Detail) ¥ in Millions |
Mar. 31, 2026
JPY (¥)
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| Employee Benefit Plans [Abstract] | |
| Net actuarial loss | ¥ 13,560 |
| Net prior service cost | (4,693) |
| Total | ¥ 8,867 |
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- References No definition available.
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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