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v3.20.1

Description of the business and summary of significant accounting policies - Impact of new International Financial Reporting Standards (Details) $ / shares in Units, $ / shares in Units, $ in Thousands, $ in Thousands | 12 Months Ended |  |
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Dec. 31, 2019 USD ($) $ / shares | Dec. 31, 2019 MXN ($) $ / shares | Dec. 31, 2018 MXN ($) $ / shares | Dec. 31, 2017 MXN ($) $ / shares | Dec. 31, 2019 MXN ($) | Dec. 31, 2016 MXN ($)
Impact of adoption on the consolidated statements of financial position |  |  |  |  |  |
Unearned transportation revenue | $ 195,271 |  | $ 2,438,516 | $ 2,293,309 | $ 3,679,926 |
Retained earnings (losses) | 23,264 |  | (2,200,651) | (1,257,769) | 438,412 |
Impact of adoption on the consolidated statements of operations |  |  |  |  |  |
Fare revenues | 1,227,368 | $ 23,129,991 | 18,487,858 | 17,791,317 |  |
Other passenger revenues | 560,844 | 10,569,208 | 7,892,497 | 6,098,504 |  |
Passenger revenues | 1,788,212 | 33,699,199 | 26,380,355 | 23,889,821 |  |
Other non-passenger revenues (Note 1d) | 47,629 | 897,586 | 697,357 | 727,392 |  |
Cargo | 12,143 | 228,836 | 227,438 | 170,973 |  |
Operating revenues | 1,844,113 | 34,752,672 | 27,305,150 | 24,788,186 |  |
Operating income (loss) | 231,115 | 4,355,423 | 534,797 | 1,242,704 |  |
Net income (loss) | $ 140,039 | $ 2,639,063 | $ (942,882) | $ 278,671 |  |
Earnings (loss) per share basic: | (per share) | $ 0.138 | $ 2.608 | $ (0.932) | $ 0.275 |  |
Non-current assets: |  |  |  |  |  |
Right-of-use assets | $ 1,811,006 |  | $ 31,882,053 | $ 24,893,882 | 34,128,766 | $ 23,500,081
Deferred income tax |  |  | 14,285,711 | 11,351,888 | 14,511,827 |
Short-term liabilities: |  |  |  |  |  |
Lease liabilities |  |  | 39,565,146 | 32,523,704 | 40,517,045 | 32,711,793
Lease liabilities | 250,488 |  | 4,976,454 | 4,213,417 | 4,720,505 |
Other liabilities | (21,608) |  | (25,835) | (202,250) | (407,190) |
Long-term liabilities: |  |  |  |  |  |
Lease liabilities | 1,899,504 |  | 34,588,692 | 28,310,287 | 35,796,540 |
Other liabilities | 77,982 |  | 1,820,194 | 1,454,790 | 1,469,595 |
Equity: |  |  |  |  |  |
Retained earnings (losses) | 23,264 |  | (2,200,651) | (1,257,769) | $ 438,412 |
Impact on the statement of operations |  |  |  |  |  |
Depreciation expense | 249,558 | $ 4,702,971 | 4,043,691 | 3,437,903 |  |
Operating income | 231,115 | 4,355,423 | 534,797 | 1,242,704 |  |
Finance cost | 120,446 | 2,269,829 | 1,876,312 | 1,515,281 |  |
Foreign exchange (gain) loss | (76,439) | (1,440,501) | 103,790 | (683,039) |  |
Income tax expense (benefit) | (58,096) | (1,094,831) | 349,820 | (237,586) |  |
Net (income) loss | (140,039) | (2,639,063) | 942,882 | (278,671) |  |
Impact on the statement of cash flows |  |  |  |  |  |
Lease payments |  | (6,499,802) | (5,710,907) | (5,032,898) |  |
Net cash flows from operating activities | 504,618 | 9,509,643 | 6,276,707 | 6,018,767 |  |
Payment of principal portion of lease liabilities | 344,905 | 6,499,802 | 5,710,907 | 5,032,898 |  |
Net cash flows from financing activities | $ (277,993) | $ (5,238,840) | (5,946,059) | (3,634,598) |  |
Impact of IFRS 16 adoption |  |  |  |  |  |
Impact of adoption on the consolidated statements of financial position |  |  |  |  |  |
Retained earnings (losses) |  |  | (6,625,386) | (6,419,554) |  | (7,365,758)
Impact of adoption on the consolidated statements of operations |  |  |  |  |  |
Operating income (loss) |  |  | (1,499,964) | (1,369,475) |  |
Net income (loss) |  |  | (199,113) | 1,011,921 |  |
Non-current assets: |  |  |  |  |  |
Right-of-use assets |  |  | 31,882,053 | 24,893,882 |  | 23,500,081
Deferred income tax |  |  | 2,725,037 | 2,636,821 |  | 3,042,344
Prepaid expenses |  |  | (266,959) | (266,959) |  | (266,959)
Short-term liabilities: |  |  |  |  |  |
Lease liabilities |  |  | 4,976,454 | 4,213,417 |  | 4,237,065
Other liabilities |  |  | (91,889) | (78,494) |  | (68,548)
Long-term liabilities: |  |  |  |  |  |
Lease liabilities |  |  | 34,588,692 | 28,310,287 |  | 28,474,728
Other liabilities |  |  | 1,492,260 | 1,238,088 |  | 997,979
Equity: |  |  |  |  |  |
Retained earnings (losses) |  |  | (6,625,386) | (6,419,554) |  | $ (7,365,758)
Impact on the statement of operations |  |  |  |  |  |
Depreciation expense |  |  | 4,043,691 | 3,437,903 |  |
Lease benefit |  |  | (5,543,655) | (4,807,378) |  |
Operating income |  |  | (1,499,964) | (1,369,475) |  |
Finance cost |  |  | 1,755,978 | 1,428,924 |  |
Foreign exchange (gain) loss |  |  | 31,315 | (1,476,893) |  |
Income tax expense (benefit) |  |  | (88,216) | 405,523 |  |
Net (income) loss |  |  | 199,113 | (1,011,921) |  |
Impact on the statement of cash flows |  |  |  |  |  |
Lease payments |  |  | (5,710,907) | (5,032,898) |  |
Net cash flows from operating activities |  |  | 5,710,907 | 5,032,898 |  |
Payment of principal portion of lease liabilities |  |  | 5,710,907 | 5,032,898 |  |
Net cash flows from financing activities |  |  | (5,710,907) | (5,032,898) |  |
As previously reported |  |  |  |  |  |
Impact of adoption on the consolidated statements of operations |  |  |  |  |  |
Net income (loss) |  |  | (682,500) | (594,599) |  |
Impact on the statement of operations |  |  |  |  |  |
Net (income) loss |  |  | $ 682,500 | $ 594,599 |  |

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