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Inventories, net (Tables) | 12 Months Ended
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Dec. 31, 2020
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Summary of Analysis of Inventories | An analysis of inventories at December 31, 2019 and 2020 is as follows:
|  | 2019 |  |  | 2020 |
Mobile phones, accessories, computers, TVs, cards and other materials |  |  | Ps.43,954,616 |  |  |  | Ps.33,763,086 |
Less: Reserve for obsolete and slow-moving inventories |  |  | (2,852,604 | ) |  |  | (3,385,647 | )
Total |  |  | Ps.41,102,012 |  |  |  | Ps.30,377,439 |

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