Post-employment benefits (Details)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Notes and other explanatory information [abstract]
Mortality table	AT-2000 softned by 10%	AT-2000 softned by 10%
Discount rate	11.59%	9.56%
Inflation	4.00%	4.00%

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 [domain]; Defined benefit obligation, at present value; Actuarial assumptions [domain]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2024-01-01
-Paragraph 144
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_144&doctype=Standard
-URIDate 2024-03-27

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