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Employee Benefits and Private Pension Plan - Significant actuarial assumptions adopted (Detail)	Dec. 31, 2023	Dec. 31, 2022
Employee benefits and private pension plan
Discount rate for the actuarial obligation at present value	9.41%	9.97%
Average projected salary growth rate	6.83%	6.98%
Average projected bonus growth rate	7.33%	7.07%
Inflation rate (long term)	3.50%	3.50%
Growth rate of medical services	7.64%	7.64%
Average discount rate of medical services	9.53%	10.01%

X

- Definition

The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2023-01-01
-Paragraph 144
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

The expected rate of inflation that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2023-01-01
-Paragraph 144
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2023-01-01
-Paragraph 144
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

Medical cost trend rate used as significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2023-01-01
-Paragraph 144
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard
-URIDate 2023-03-23

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- References

No definition available.

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- Definition

The expected discount rate of medical services used as a significant actuarial assumption to determine the present value of a defined benefit obligation.

+ References

No definition available.

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- Definition

The expected rate of bonus increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation.

+ References

No definition available.

+ Details

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