Investment in airport concessions (Tables)

12 Months Ended

Dec. 31, 2020

Investment in airport concessions

Schedule of carrying value and changes in concessioned assets

	December 31,
	2020		2019		2018
Projects completed and in operation:
Airport concessions	Ps.	605,643	Ps.	605,643	Ps.	605,643
Rights to use airport facilities		3,356,762		3,356,762		3,356,762
Improvements to concessioned assets (see note 15)		8,594,136		7,331,450		6,165,810
Improvements to concessioned assets in progress		615,246		624,063		834,868
Accumulated amortization		(2,942,131)		(2,650,807)		(2,396,427)
	Ps.	10,229,656	Ps.	9,267,111	Ps.	8,566,656

The changes in investment in concessions are as follows:

	December 31,
	2020		2019		2018
Investment in airport concessions
Beginning balance	Ps.	11,917,919	Ps.	10,963,084		Ps.	9,821,579
Increase		1,253,868		954,835			1,141,505
Ending balance		13,171,787		11,917,919			10,963,084
Amortization of airport concessions:
Beginning balance		(2,650,807)		(2,396,427)			(2,173,162)
Increase		(291,323)		(254,380)			(223,266)
Ending balance		(2,942,131)		(2,650,807)			(2,396,427)
Net investment in airport concessions	Ps.	10,229,656	Ps.	9,267,111		Ps.	8,566,656

Schedule of contractual obligations under development plan

	Amount
Year
2021	2,565,502
2022	2,655,068
2023	2,620,741
2024	2,510,125
2025	2,235,465
	12,586,901