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Post-employment benefits (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Jan. 02, 2021	Jan. 02, 2020
Post-employment Benefits
Mortality table	AT-2000	AT-2000
Discount rate	10.34%	9.46%	9.46%	7.64%
Inflation	4.00%	4.00%
Actuarial method	Projected Unit Credit	Projected Unit Credit
Increase in probabilities of survival	10.00%

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
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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 2022-03-24
-Paragraph 144
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X

- Definition

The description of the methods and assumptions used when preparing a sensitivity analysis for significant actuarial assumptions. [Refer: Actuarial assumptions [member]]

+ References

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-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 145
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- Definition

Description of Mortality

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No definition available.

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- Definition

Percentage of Increase in Probabilities of Survival

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- References

No definition available.

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