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Trade Notes and Accounts Receivable, Net (Tables) | 12 Months Ended
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Dec. 31, 2020
Trade Notes and Accounts Receivable, Net |
Schedule of trade notes and accounts receivables, net |
|  | 2020 |  | 2019
Non-interest bearing notes received from customers as deposits and advances mainly in connection with annual (“upfront basis”) and from time to time (“scatter basis”) prepayments (see Note 2 (p)) |  | Ps. | 3,327,579 |  | Ps. | 4,188,293
Trade accounts receivable |  |  | 13,265,351 |  |  | 15,144,534
Loss allowance |  |  | (4,249,133) |  |  | (4,846,643)
|  | Ps. | 12,343,797 |  | Ps. | 14,486,184
Schedule of aging analysis of current trade receivables past due |
|  | 2020 |  | 2019
1 to 90 days |  | Ps. | 3,634,710 |  | Ps. | 4,180,830
91 to 180 days |  |  | 1,386,243 |  |  | 1,182,634
More than 180 days |  |  | 4,044,530 |  |  | 4,706,908
Schedule of carrying amount of trade notes and accounts receivable in foreign currencies |
|  | 2020 |  | 2019
U.S. dollar |  | Ps. | 2,905,396 |  | Ps. | 3,610,639
Other currencies |  |  | 75,369 |  |  | 45,114
At December 31 |  | Ps. | 2,980,765 |  | Ps. | 3,655,753
Schedule of loss allowance of trade notes and account receivables |
|  | 2020 |  | 2019
At January 1 |  | Ps. | (4,846,643) |  | Ps. | (4,379,316)
Impairment provision |  |  | (1,352,432) |  |  | (1,549,801)
Write-off of receivables |  |  | 1,949,942 |  |  | 996,185
Reclassification to current assets held for sale |  |  | — |  |  | 86,289
At December 31 |  | Ps. | (4,249,133) |  | Ps. | (4,846,643)

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