Employee Benefits - Summary of Actuarial Assumptions (Details)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Disclosure of defined benefit plans [line items]
Average length of obligation (years)	11 years 4 months 24 days	10 years 10 months 28 days
Liability for other long-term benefits
Disclosure of defined benefit plans [line items]
Average length of obligation (years)	11 years 4 months 24 days	10 years 10 months 28 days
Rate of increase in salaries
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	5.20%	5.20%
Rate of increase in salaries \| Liability for other long-term benefits
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	5.20%	5.20%
Inflation assumption
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	4.00%	4.00%
Inflation assumption \| Liability for other long-term benefits
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	4.00%	4.00%
Rate of increase in basic basket for active personnel
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	5.00%	5.00%
Rate of increase in basic basket for active personnel \| Liability for other long-term benefits
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	5.00%	5.00%
Rate of increase in basic basket for retired personnel
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	4.00%	4.00%
Rate of increase in basic basket for retired personnel \| Liability for other long-term benefits
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	4.00%	4.00%
Rate of increase in gas and gasoline
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	4.00%	4.00%
Rate of increase in gas and gasoline \| Liability for other long-term benefits
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	4.00%	4.00%
Discount and return on plan assets rate
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	9.95%	11.28%
Discount and return on plan assets rate \| Liability for other long-term benefits
Disclosure of defined benefit plans [line items]
Percentage of increase in the assumed variation rate	9.95%	11.28%