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Inventories | 12 Months Ended
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Dec. 31, 2020
IFRS Text Block [Abstract] |
Inventories | Note 8. 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
For the years ended 2020, 2019 and 2018, the Company recognized write-downs of its inventories for Ps. 2,046, Ps. 2,992 and Ps. 2,006 to net realizable value, respectively. 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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- Definition The entire disclosure for inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2020-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS02_g36-39_TI -URIDate 2020-01-01 + Details
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