Financial risk management - Credit risk (Details)	12 Months Ended
Dec. 31, 2025 item
Financial risk management
Number of credit options	3
60 days	60 days

The number of credit options available to customers.

No definition available.

Name:	omab_NumberOfCreditOptionsAvailableForCustomers
Namespace Prefix:	omab_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration