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v3.21.1

Property, plant and equipment (Tables) | 12 Months Ended
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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

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