| Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Profit (loss) | 529 | 420 | -2,403 | -10,835 | -4,213 | -722 | -2,380 | -9,151 |
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| Depreciation and amortization | 300 | 325 | 3,671 | 1,806 | 1,544 | 2,094 | 2,404 | 2,564 |
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| Gain (loss) from impairment of assets | - | - | - | -758 | -1,076 | -1,103 | -246 | -144 |
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| Derivative financial results, net | - | - | 368 | -2,207 | 864 | 958 | 238 | -318 |
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| Share-based payment | 28 | 22 | 17 | 23 | 17 | -18 | 72 | 43 |
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| Foreign currency exchange, net | -62 | 90 | 449 | 4,041 | 1,432 | -1,464 | -1,616 | 7,736 |
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| Financial result | - | - | - | -2,166 | -3,419 | -3,968 | 5,314 | 5,018 |
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| Tax transaction | - | - | - | - | - | - | - | -253 |
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| Provisions, net | - | - | 898 | 281 | 647 | 438 | -161 | -146 |
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| Asset write-offs | - | - | - | - | - | - | 269 | -855 |
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| Result from modification of lease and provision | - | - | - | 903 | 24 | 93 | -204 | -221 |
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| Result on disposal or sale, of fixed assets, right of use, intangible assets and inventories | - | - | - | - | - | - | 297 | 143 |
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| Deferred tax (income) and social contribution | - | - | - | - | - | - | 40 | -40 |
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| Sale and leaseback | - | - | - | 16 | 23 | 33 | 6 | -92 |
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| Reconciled result | - | - | - | -501 | 859 | 2,466 | 4,033 | 4,285 |
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| Accounts receivable | -243 | -160 | -99 | 342 | -270 | -1,107 | 877 | -292 |
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| Aircraft sublease | - | - | - | 69 | 65 | 68 | 19 | - |
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| Inventories | -37 | -53 | -79 | -45 | -159 | -159 | -154 | -159 |
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| Deposits | - | - | - | -174 | -422 | -606 | -453 | -455 |
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| Taxes recoverable | - | - | - | 252 | 26 | -122 | 16 | -20 |
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| Derivative financial results, net | -167 | 673 | 2 | 257 | 25 | -478 | 138 | 102 |
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| Advances to Suppliers, net | - | - | - | - | 120 | 629 | 2,888 | 2,330 |
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| Other assets | -141 | -288 | -103 | 273 | 79 | 88 | -128 | -576 |
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| Accounts payable | -93 | 143 | 88 | 994 | 1,079 | 2,275 | 2,796 | 3,185 |
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| Adjustments for increase (decrease) in trade accounts payable forfaiting | - | - | - | -250 | -1,357 | - | - | - |
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| Airport taxes and fees | - | - | - | - | 81 | 356 | 228 | 80 |
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| Air traffic liability and loyalty program | - | - | - | 395 | 575 | 964 | 1,134 | 1,410 |
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| Salaries and benefits | - | - | - | 40 | 186 | 114 | 13 | 129 |
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| Taxes payable | - | - | - | 4 | 67 | 7 | -27 | 78 |
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| Provisions of changes in operating assets and liabilities | - | - | - | - | - | - | -237 | -423 |
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| Other liabilities | -6 | 27 | -113 | 251 | 440 | 41 | 73 | 51 |
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| Total changes in operating assets and liabilities | - | - | - | - | - | - | 1,131 | 575 |
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| Interest paid | 302 | 215 | 969 | 480 | 625 | 1,170 | 1,725 | 2,073 |
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| Net cash provided (used) by operating activities | 295 | 443 | 2,595 | 976 | -311 | 2,437 | 3,440 | 2,787 |
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| Purchase of short term investments | - | - | - | - | - | - | - | 107 |
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| Redemption of short-term investments | - | - | - | - | - | - | - | 6 |
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| Restricted cash | - | - | - | - | - | - | 6 | - |
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| Payment for acquisition of subsidiary | - | - | - | 39 | 20 | 30 | - | - |
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| Proceeds from property and equipment | - | - | - | - | - | 519 | - | - |
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| Proceeds from sale and leaseback | - | - | - | - | 21 | 321 | 92 | 29 |
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| Purchase of Intangible | 56 | 100 | 132 | 110 | 153 | 199 | 169 | 235 |
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| Purchase of property and equipment | 590 | 755 | 1,428 | 343 | 624 | 1,253 | 464 | 681 |
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| Capitalized maintenance | - | - | - | - | - | - | 339 | 578 |
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| Net cash used by investing activities | -976 | 58 | -1,187 | -404 | -706 | -640 | -874 | -1,566 |
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| Proceeds | 1,750 | 99 | 592 | 1,936 | 3,071 | 200 | 4,733 | 3,210 |
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| Repayment | 1,090 | 530 | 110 | 192 | 391 | 819 | 1,907 | 1,723 |
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| Reverse factoring | - | - | - | - | - | 818 | 831 | 496 |
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| Repayment of Lease | - | - | - | - | 1,800 | 2,773 | 2,353 | 2,803 |
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| Payment of convertible debt instruments | - | - | - | - | - | - | 542 | - |
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| Costs | - | - | - | 834 | 76 | 13 | 487 | 105 |
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| Advances for future capital increase | - | - | - | - | 24 | 0 | - | 0 |
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| Capital increase | - | - | - | - | - | - | -1 | - |
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| Treasury shares | - | - | - | - | 16 | 4 | 7 | 3 |
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| Net cash provided (used) by financing activities | 857 | -161 | -914 | 934 | 834 | -4,204 | -1,393 | -1,920 |
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| Exchange rate changes on cash and cash equivalents | 37 | 67 | -16 | -89 | 192 | 1 | 57 | 11 |
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| Increase (decrease) in cash and cash equivalents | 213 | 407 | 479 | 1,417 | 9 | -2,405 | 1,229 | -687 |
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