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Rotable spare parts, furniture and equipment, net - Reconciliation of changes (Details) $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2016 MXN ($) | Dec. 31, 2015 MXN ($)
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | $ 2,525,008 | $ 2,549,650 |
Additions |  | 2,584,232 | 2,198,697 |
Disposals and transfers |  | (319,671) | (1,738,309) |
Borrowing costs, net |  | 83,115 | 10,507 |
Other movements |  | (696) | 716 |
Depreciation |  | (496,291) | (496,253) | $ (425,439)
Balance at end of the year | $ 221,718 | 4,375,697 | 2,525,008 | 2,549,650
Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 4,309,387 |  |
Balance at end of the year |  | 6,655,478 | 4,309,387 |
Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (1,784,379) |  |
Balance at end of the year |  | (2,279,781) | (1,784,379) |
Aircraft parts and rotable spare parts |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 255,810 | 179,947 |
Additions |  | 115,173 | 110,592 |
Disposals and transfers |  | (930) | (1,299) |
Depreciation |  | (44,409) | (33,430) |
Balance at end of the year |  | 325,644 | 255,810 | 179,947
Aircraft parts and rotable spare parts | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 393,522 |  |
Balance at end of the year |  | 506,735 | 393,522 |
Aircraft parts and rotable spare parts | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (137,712) |  |
Balance at end of the year |  | (181,091) | (137,712) |
Aircraft spare engines |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 321,688 |  |
Additions |  | 385 | 323,025 |
Depreciation |  | (16,795) | (1,337) |
Balance at end of the year |  | 305,278 | 321,688 |
Aircraft spare engines | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 323,025 |  |
Balance at end of the year |  | 323,410 | 323,025 |
Aircraft spare engines | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (1,337) |  |
Balance at end of the year |  | (18,132) | (1,337) |
Constructions and improvements |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 35,013 | 18,202 |
Additions |  |  | 2,218 |
Other movements |  | 10,371 | 32,441 |
Depreciation |  | (20,216) | (17,848) |
Balance at end of the year |  | 25,168 | 35,013 | 18,202
Constructions and improvements | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 120,886 |  |
Balance at end of the year |  | 131,503 | 120,886 |
Constructions and improvements | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (85,873) |  |
Balance at end of the year |  | (106,335) | (85,873) |
Standardization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 82,111 | 83,886 |
Additions |  | 15,833 | 21,953 |
Depreciation |  | (18,543) | (23,728) |
Balance at end of the year |  | 79,401 | 82,111 | 83,886
Standardization | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 176,975 |  |
Balance at end of the year |  | 192,808 | 176,975 |
Standardization | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (94,864) |  |
Balance at end of the year |  | (113,407) | (94,864) |
Computer equipment |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 7,200 | 4,195 |
Additions |  | 1,845 | 740 |
Other movements |  | 4,087 | 4,814 |
Depreciation |  | (3,809) | (2,549) |
Balance at end of the year |  | 9,323 | 7,200 | 4,195
Computer equipment | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 24,172 |  |
Balance at end of the year |  | 30,113 | 24,172 |
Computer equipment | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (16,972) |  |
Balance at end of the year |  | (20,790) | (16,972) |
Office furniture and equipment |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 17,657 | 12,932 |
Additions |  | 6,805 | 517 |
Disposals and transfers |  | (15) | (110) |
Other movements |  | 1,649 | 7,877 |
Depreciation |  | (3,801) | (3,559) |
Balance at end of the year |  | 22,295 | 17,657 | 12,932
Office furniture and equipment | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 36,310 |  |
Balance at end of the year |  | 44,749 | 36,310 |
Office furniture and equipment | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (18,653) |  |
Balance at end of the year |  | (22,454) | (18,653) |
Electric power equipment |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 6,928 | 9,033 |
Additions |  |  | 1,467 |
Disposals and transfers |  |  | (1,626) |
Other movements |  | 620 |  |
Depreciation |  | (1,294) | (1,946) |
Balance at end of the year |  | 6,254 | 6,928 | 9,033
Electric power equipment | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 14,818 |  |
Balance at end of the year |  | 15,439 | 14,818 |
Electric power equipment | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (7,890) |  |
Balance at end of the year |  | (9,185) | (7,890) |
Workshop tools |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 4,585 | 4,815 |
Additions |  |  | 4,217 |
Other movements |  |  | 25 |
Depreciation |  | (2,314) | (4,472) |
Balance at end of the year |  | 2,271 | 4,585 | 4,815
Workshop tools | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 20,500 |  |
Balance at end of the year |  | 20,500 | 20,500 |
Workshop tools | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (15,915) |  |
Balance at end of the year |  | (18,229) | (15,915) |
Motorized transport equipment platform |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 1,357 | 1,326 |
Additions |  |  | 505 |
Disposals and transfers |  |  | (49) |
Other movements |  |  | 46 |
Depreciation |  | (471) | (471) |
Balance at end of the year |  | 886 | 1,357 | 1,326
Motorized transport equipment platform | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 5,703 |  |
Balance at end of the year |  | 5,587 | 5,703 |
Motorized transport equipment platform | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (4,346) |  |
Balance at end of the year |  | (4,701) | (4,346) |
Communications equipment |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 3,555 | 3,764 |
Additions |  |  | 129 |
Other movements |  | 1,968 | 493 |
Depreciation |  | (796) | (831) |
Balance at end of the year |  | 4,727 | 3,555 | 3,764
Communications equipment | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 9,261 |  |
Balance at end of the year |  | 11,229 | 9,261 |
Communications equipment | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (5,706) |  |
Balance at end of the year |  | (6,502) | (5,706) |
Workshop machinery and equipment |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 3,618 | 4,179 |
Additions |  | 123 | 131 |
Other movements |  | 1,041 |  |
Depreciation |  | (722) | (692) |
Balance at end of the year |  | 4,060 | 3,618 | 4,179
Workshop machinery and equipment | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 7,240 |  |
Balance at end of the year |  | 8,405 | 7,240 |
Workshop machinery and equipment | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (3,622) |  |
Balance at end of the year |  | (4,345) | (3,622) |
Service carts on board |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 758 | 1,453 |
Additions |  |  | 36 |
Depreciation |  | (376) | (731) |
Balance at end of the year |  | 382 | 758 | 1,453
Service carts on board | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 5,403 |  |
Balance at end of the year |  | 5,403 | 5,403 |
Service carts on board | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (4,645) |  |
Balance at end of the year |  | (5,021) | (4,645) |
Pre-delivery payments |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 1,206,330 | 1,583,835 |
Additions |  | 1,707,805 | 1,345,081 |
Disposals and transfers |  | (213,947) | (1,733,093) |
Borrowing costs, net |  | 83,115 | 10,507 |
Balance at end of the year |  | 2,783,303 | 1,206,330 | 1,583,835
Pre-delivery payments | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 1,206,330 |  |
Balance at end of the year |  | 2,783,303 | 1,206,330 |
Construction and improvements in process |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 255,374 | 140,926 |
Additions |  | 206,932 | 161,560 |
Disposals and transfers |  | (3,555) | (2,132) |
Other movements |  | (265,144) | (44,980) |
Balance at end of the year |  | 193,607 | 255,374 | 140,926
Construction and improvements in process | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 255,374 |  |
Balance at end of the year |  | 193,607 | 255,374 |
Leasehold improvements to flight equipment |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 323,024 | 501,157 |
Additions |  | 529,331 | 226,526 |
Disposals and transfers |  | (101,224) |  |
Other movements |  | 244,712 |  |
Depreciation |  | (382,745) | (404,659) | (352,932)
Balance at end of the year |  | 613,098 | 323,024 | $ 501,157
Leasehold improvements to flight equipment | Gross value |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | 1,709,868 |  |
Balance at end of the year |  | 2,382,687 | 1,709,868 |
Leasehold improvements to flight equipment | Accumulated depreciation / amortization |  |  |  |
Rotable spare parts, furniture and equipment, net |  |  |  |
Balance at beginning of the year |  | (1,386,844) |  |
Balance at end of the year |  | $ (1,769,589) | $ (1,386,844) |

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