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Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure of detailed information about property, plant and equipment [abstract]

Schedule of Cost of Investment Property, Plant and Equipment

Cost of property, plant and equipment is as follows (in millions of Mexican pesos):

		Land			Buildings			Machinery and equipment			Transportation equipment			Furniture, mixtures and computer equipment			Constructions and machinery in-progress			Total

Balance to January 1, 2019		$	1,217		$	4,680		$	28,957		$	159		$	139		$	1,410		$	36,562
Additions			89			591			532			2			4			53			1,271

Translation adjustments			(15)			(133)			(563)			0			(2)			(92)			(805)
Balance as of December 31, 2019		$	1,291		$	5,138		$	28,926		$	161		$	141		$	1,371		$	37,028

Additions			20			323			525			0			0			83			951

Reclassifications			0			94			334			0			0			(428)			0
Translation adjustments			5			(115)			(148)			0			3			(11)			(266)
Balance as of December 31, 2020		$	1,316		$	5,440		$	29,637		$	161		$	144		$	1,015		$	37,713

Schedule of Accumulated Depreciation of Property, Plant and Equipment

Accumulated depreciation of property, plant and equipment is as follows (in millions of Mexican pesos):

		Buildings			Machinery and equipment			Transportation equipment			Furniture, mixtures and computer equipment			Total

Balance as of December 31, 2018			1,055		$	18,380		$	81		$	75		$	19,591

Depreciation expense			30			1,063			4			2			1,099
Translation effects			(3)			(396)			0			0			(399)
Balance as of December 31, 2019			1,082		$	19,047		$	85		$	77		$	20,291

Depreciation expense			152			1,283			2			4			1,441
Translation effects			21)			52			(1)			0			30
Balance as of December 31, 2020		$	1,213		$	20,382		$	86		$	81		$	21,762

Schedule of Net Book Value of Property, Plant and Equipment

The net book value of property, plant and equipment is as follows (in millions of Mexican pesos):

Net Book Value:	Land		Buildings		Machinery and Equipment		Transportation equipment		Furniture, mixtures and computer equipment		Constructions and machinery in-progress		Total

Balance as of December 31, 2018	$	1,217	$	3,625	$	7,187	$	78	$	64	$	4,800	$	16,971

Balance as of December 31, 2019	$	1,291	$	4,056	$	9,879	$	76	$	64	$	1,371	$	16,737

Balance as of December 31, 2020	$	1,316	$	4,227	$	9,255	$	75	$	63	$	1,015	$	15,951