Employee Benefits - Effects on Defined Benefit Obligations Due to Increase or Decrease in Discount Rate (Parenthetical) (Detail) - Discount rates [member]	Mar. 31, 2026
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Percentage of decrease in the discount rate	0.50%
Percentage of increase in the discount rate	0.50%

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

No definition available.

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- Definition

The reasonably possible percentage of the decrease in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [domain]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2025-01-01
-Paragraph 145
-Subparagraph a
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-URIDate 2025-03-27

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- Definition

The reasonably possible percentage of the increase in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [domain]]

+ References

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