Improvements to concession assets

12 Months Ended

Dec. 31, 2018

Disclosure Of Service Concession Arrangements [Abstract]

8.	Improvements to concession assets

As of December 31, 2016, 2017 and 2018, the improvements to concession assets are comprised as follows:

	Balance as of January 1, 2016				Additions				Divestitures			Transfers				Currency translation effect				Balance as of December 31, 2016
Investment:
Improvements to concession assets	Ps.	9,909,384			Ps.	331,044			Ps.	(436	)	Ps.	147,806			Ps.	514,870			Ps.	10,902,668
Construction in-progress			445,924				1,400,942			—				(147,806	)			8,682				1,707,742
Total investment			10,355,308				1,731,986			(436	)			—				523,552				12,610,410
Accumulated amortization			(3,060,990	)			(510,747	)		68				—				(126,197	)			(3,697,866	)
Net amounts	Ps.	7,294,318			Ps.	1,221,239			Ps.	(368	)	Ps.		—		Ps.	397,355			Ps.	8,912,544

	Balance as of January 1, 2017				Additions				Divestitures			Transfers				Currency translation effect			Balance as of December 31, 2017
Investment:
Improvements to concession assets	Ps.	10,902,668			Ps.	304,042			Ps.	(30,212	)	Ps.	746,710			Ps.	(143,440	)	Ps.	11,779,768
Construction in-progress			1,707,742				1,417,156			—				(746,710	)		(1,705	)			2,376,483
Total investment			12,610,410				1,721,198			(30,212	)			—			(145,145	)			14,156,251
Accumulated amortization			(3,697,866	)			(552,059	)		6,715				—			30,981				(4,212,229	)
Net amounts	Ps.	8,912,544			Ps.	1,169,139			Ps.	(23,497	)	Ps.		—		Ps.	(114,164	)	Ps.	9,944,022

	Balance as of January 1, 2018			Additions			Divestitures			Transfers			Currency translation effect			Balance as of December 31, 2018
Investment:
Improvements to concession assets	Ps.	11,779,768		Ps.	6,366		Ps.	(7,919	)	Ps.	1,669,128		Ps.	(5,694	)	Ps.	13,441,649
Construction in-progress		2,376,483			1,661,060			—			(1,669,128	)		13,703			2,382,118
Total investment		14,156,251			1,667,426			(7,919	)		—			8,009			15,823,767
Accumulated amortization		(4,212,229	)		(634,115	)		7,517			—			(2,080	)		(4,840,907	)
Net amounts	Ps.	9,944,022		Ps.	1,033,311		Ps.	(402	)	Ps.	—		Ps.	5,929		Ps.	10,982,860

At December 31, 2016, 2017 and 2018, the net amounts of improvements to concession assets are:

Total balance as of

December 31,

2016

December 31,

2017

December 31,

2018

Net amounts:

Improvements to concession assets

Ps.

7,204,802

Ps.

7,567,539

Ps.

8,600,742

Construction in-progress

1,707,742

2,376,483

2,382,118

Total amounts

Ps.

8,912,544

Ps.

9,944,022

Ps.

10,982,860

Improvements to concession assets are comprised by intangible assets from additions and improvements to such assets in accordance with IFRIC 12, as well as other investments that have been carried out to the infrastructure of the airports qualifying as intangible assets, and even when they are not in committed investments in the MDP.

As of December 31, 2016, 2017 and 2018, the balance of machinery, equipment, improvements on leased assets and improvements to concession assets includes investments pending to be paid in Mexican airports of Ps. 441,515, Ps. 409,271, and Ps. 318,519, respectively. Construction in-progress relates mainly to the rehabilitation of the expansion of the terminal building at the Guadalajara airport, the renovation of runaway and expansion of the terminal building at Mexicali airport, improvements of hydrant network in Puerto Vallarta airport, expansion and integration of terminal buildings and construction of new building for the Fire Rescue and Extinction Service at improvements at the San José del Cabo airport, expansion of the checked baggage review system in Tijuana airport and renovation of taxiway in Montego Bay airport. As of December 31, 2016, 2017 and 2018, the cumulative financial cost net amount capitalized was Ps. 186,834, in each year, with a capitalization rate of 4.6%, in each year.