XML 45 R34.htm IDEA: XBRL DOCUMENT v3.22.1
Accounts payable and accrued expenses: (Tables)
12 Months Ended
Dec. 31, 2021
Accounts payable and accrued expenses:  
Schedule of accounts payable and accrued expenses

December 31, 

    

2020

    

2021

Suppliers

Ps.

353,885

Ps.

290,687

Taxes payable

57,174

311,847

Use rights of assets under concession

5,070

337,087

Accounts payable to related parties (Note 14.1)

53,598

127,901

Lease payable (Note 7.1)

17,236

24,510

Salaries payable

128,105

166,089

Sundry creditors for services provided

639,726

959,376

Accounts payable to contractors

343,610

271,462

Total

Ps.

1,598,404

Ps.

2,488,959