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v3.20.1

Accounts payable, accrued liabilities and asset retirement obligations (Tables) | 12 Months Ended
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Dec. 31, 2019
Text block [abstract] |
Components Accounts Payable and Accrued Liabilities | a) The components of the captions accounts payable and accrued liabilities are as follows:
|  | At December 31, |
|  | 2018 |  |  | 2019 |
Suppliers |  | Ps. | 118,406,380 |  |  | Ps. | 113,370,716 |
Sundry creditors |  |  | 91,087,197 |  |  |  | 90,849,195 |
Interest payable |  |  | 8,535,519 |  |  |  | 8,057,170 |
Guarantee deposits from customers |  |  | 1,421,336 |  |  |  | 1,467,835 |
Dividends payable |  |  | 2,506,835 |  |  |  | 2,367,908 |
Total |  | Ps. | 221,957,267 |  |  | Ps. | 216,112,824 |
Summary of Balance of Accrued Liabilities | b) The balance of accrued liabilities at December 31, 2018 and 2019 are as follows:
|  | At December 31, |
|  | 2018 |  |  | 2019 |
Current liabilities |  |  |  |  |  |  |  |
Direct employee benefits payable |  | Ps. | 16,152,118 |  |  | Ps. | 17,991,283 |
Contingencies |  |  | 40,281,573 |  |  |  | 34,379,969 |
Total |  | Ps. | 56,433,691 |  |  | Ps. | 52,371,252 |
Summary of Movements in Contingent Liabilities | The movements in contingencies for the years ended December 31, 2018 and 2019 are as follows:
|  | Balance at December 31, 2017 |  |  | Business combination |  |  | Effect of translation |  |  | Increase of the year |  |  | Applications |  |  | Balance at December 31, 2018 |
|  | Payments |  |  | Reversals |
Contingencies |  |  | Ps. 51,079,131 |  |  |  | Ps. 7,812 |  |  |  | Ps. (5,729,826) |  |  |  | Ps. 15,683,252 |  |  |  | Ps. (6,203,329) |  |  |  | Ps. (14,555,467) |  |  |  | Ps. 40,281,573 |
|  | Balance at December 31, 2018 |  |  | Business combination |  |  | Effect of translation |  |  | Increase of the year |  |  | Applications |  |  | Reclassification by adoption of IFRIC 23 |  |  | Balance at December 31, 2019 |
|  | Payments |  |  | Reversals |
Contingencies |  |  | Ps. 40,281,573 |  |  |  | Ps.1,378,611 |  |  |  | Ps. (2,302,058) |  |  |  | Ps.6,410,975 |  |  |  | Ps. (5,483,327) |  |  |  | Ps. (1,833,518) |  |  |  | Ps. (4,072,287) |  |  |  | Ps. 34,379,969 |
Summary of Movements in Asset Retirement Obligations | c) The movements in the asset retirement obligations for the years ended December 31, 2018 and 2019 are as follows:
|  | Balance at December 31, 2017 |  |  | Business combination |  |  | Effect of translation |  |  | Increase of the year |  |  | Applications |  |  | Balance at December 31, 2018 |
|  | Payments |  |  | Reversals |
Asset retirement obligations |  |  | Ps. 18,245,129 |  |  |  | Ps. — |  |  |  | Ps. (2,020,853) |  |  |  | Ps. 1,062,745 |  |  |  | Ps. (151,364) |  |  |  | Ps. (1,164,056) |  |  |  | Ps. 15,971,601 |
|  | Balance at December 31, 2018 |  |  | Business combination |  |  | Effect of translation |  |  | Increase of the year |  |  | Applications |  |  | Balance at December 31, 2019 |
|  | Payments |  |  | Reversals |
Asset retirement obligations |  |  | Ps. 15,971,601 |  |  |  | Ps. 293,548 |  |  |  | Ps. (1,339,033) |  |  |  | Ps. 1,600,197 |  |  |  | Ps. (128,842) |  |  |  | Ps. (580,727) |  |  |  | Ps. 15,816,744 |

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