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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2020
IFRS Text Block [Abstract] |
Summary of Inventories |
|  | December 31, |  | December 31,
|  | 2020 |  | 2019
Finished products |  | Ps. | 36,603 |  | Ps. | 32,853
Raw materials |  |  | 4,756 |  |  | 5,331
Spare parts |  |  | 1,118 |  |  | 1,198
Work in process |  |  | 114 |  |  | 113
Inventories in transit |  |  | 1,443 |  |  | 1,528
|  | Ps. | 44,034 |  | Ps. | 41,023
Summary of Changes in Inventories | For the years ended 2020, 2019 and 2018, changes in inventories are comprised of the following and included in the consolidated income statement under the cost of goods sold caption:
|  | 2020 |  | 2019 |  | 2018
Changes in inventories of finished goods and work in progress |  | Ps. | 209,410 |  | Ps. | 221,540 |  | Ps. | 204,688
Raw materials and consumables used |  |  | 79,896 |  |  | 84,502 |  |  | 79,825
Total |  | Ps. | 289,306 |  | Ps. | 306,042 |  | Ps. | 284,513

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