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Property, plant and equipment (Tables) | 12 Months Ended
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Dec. 31, 2019
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, 2018 |  | 1,094 |  | 4,776 |  | 24,805 |  | 158 |  | 129 |  | 3,434 |  | 34,396
Additions |  | 137 |  | 90 |  | 1,305 |  | 1 |  | 11 |  | 1,370 |  | 2,914
Translation adjustments |  | (14) |  | (186) |  | (543) |  |  |  | (1) |  | (4) |  | (748)
Balance as of December 31, 2018 |  | 1,217 | $ | 4,680 | $ | 25,567 | $ | 159 | $ | 139 | $ | 4,800 | $ | 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 | $ | 25,536 | $ | 161 | $ | 141 | $ | 4,761 | $ | 37,028
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 to January 1, 2018 |  | 1,033 |  | 17,474 |  | 80 |  | 72 |  | 18,659 |
Depreciation expense |  | 37 |  | 1,057 |  | 3 |  | 5 |  | 1,102 |
Translation effects |  | (15) |  | (151) |  | (2) |  | (2) |  | (170) |
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
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, 2017 | $ | 1,094 | $ | 3,743 | $ | 7,331 | $ | 78 | $ | 57 | $ | 3,434 | $ | 15,737
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 | $ | 6,489 | $ | 76 | $ | 64 | $ | 4,761 | $ | 16,737

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