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COMMITMENTS AND CONTINGENCIES - Narrative (Details) |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) case | Aug. 20, 2024 USD ($) | Jan. 10, 2024 USD ($) | Apr. 08, 2022 USD ($) | Oct. 31, 2023 | Sep. 30, 2024 USD ($) case | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | [1] | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) case | Sep. 30, 2023 USD ($) | [1] | Dec. 31, 2023 USD ($) | Jul. 24, 2024 | Jul. 23, 2024
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserves for proceeding-related contingencies | $ 157,000,000 |  |  |  |  | $ 157,000,000 |  |  |  |  |  | $ 157,000,000 |  |  |  |
Aggregate amount for legal actions for which no loss amount has been accrued | 223,000,000 |  |  |  |  | 223,000,000 |  |  |  |  |  | 223,000,000 |  |  |  |
Estimated litigation liabilities | 0 |  |  |  |  | 0 |  |  |  |  |  | 0 |  |  |  |
Loss accrued for reasonably possible legal actions |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |
Income tax benefit |  |  |  |  |  | (123,000,000) | $ (65,000,000) | $ (172,000,000) | $ (210,000,000) | $ (122,000,000) | $ (332,000,000) | (397,000,000) | $ (504,000,000) | $ (569,000,000) |  |
Punitive fine percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% | 150.00%
Air logistics services agreement term |  |  | 5 years | 10 years | 3 years |  |  |  |  |  |  |  |  |  |  |
Committed contract, minimum annual cost | 109,000,000 |  | $ 56,000,000 | $ 43,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Operating lease agreement not yet commenced | $ 1,497,000,000 |  |  |  |  | $ 1,497,000,000 |  |  |  |  |  | $ 1,497,000,000 |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating lease term not yet commenced yet | 5 years |  |  |  |  | 5 years |  |  |  |  |  | 5 years |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating lease term not yet commenced yet | 15 years |  |  |  |  | 15 years |  |  |  |  |  | 15 years |  |  |  |
Cloud Platform Services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Paid in relation to the contract | $ 601,000,000 |  |  |  |  | $ 601,000,000 |  |  |  |  |  | $ 601,000,000 |  |  |  |
Fully Paid Off Between October 1, 2021 And September 30, 2026 | Cloud Platform Services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase commitment |  |  |  |  |  |  |  |  |  |  |  | 824,000,000 |  |  |  |
Fully Paid Off Between September 23, 2022 And September 23, 2025 | Cloud Platform Services II |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase commitment |  |  |  |  |  |  |  |  |  |  |  | 200,000,000 |  |  |  |
Paid in relation to the contract | 148,000,000 |  |  |  |  | 148,000,000 |  |  |  |  |  | 148,000,000 |  |  |  |
Fully Paid Off Between August 2024 and February, 2030 | Cloud Platform Services II |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase commitment |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fully Paid Off Between November 2024 And June 30, 2030 | Cloud Platform Services III |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase commitment |  |  |  |  |  |  |  |  |  |  |  | 90,000,000 |  |  |  |
Brazilian Preliminary |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for disputed amounts | 360,000,000 |  |  |  |  | 360,000,000 |  |  |  |  |  | 360,000,000 |  |  |  |
Judicial deposits | 326,000,000 |  |  |  |  | 326,000,000 |  |  |  |  |  | 326,000,000 |  |  |  |
Interest income | $ 61,000,000 |  |  |  |  | $ 61,000,000 |  |  |  |  |  | $ 61,000,000 |  |  |  |
Withheld tax collection rate granted | 10.00% |  |  |  |  | 10.00% |  |  |  |  |  | 10.00% |  |  |  |
Provision considering rate | 15.00% |  |  |  |  | 15.00% |  |  |  |  |  | 15.00% |  |  |  |
ICMS-DIFAL | Lawsuits Filed In 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending | case | 3 |  |  |  |  | 3 |  |  |  |  |  | 3 |  |  |  |
ICMS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount under dispute | $ 61,000,000 |  |  |  |  | $ 61,000,000 |  |  |  |  |  | $ 61,000,000 |  |  |  |
PIS And COFINS Tax Benefits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax benefit |  |  |  |  |  |  |  |  |  |  |  | 17,000,000 |  |  |  |
IRPJ And CSLL | Tax Year 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount under dispute | 13,000,000 |  |  |  |  | 13,000,000 |  |  |  |  |  | 13,000,000 |  |  |  |
IRPJ And CSLL | Tax Year 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount under dispute | 72,000,000 |  |  |  |  | 72,000,000 |  |  |  |  |  | 72,000,000 |  |  |  |
Buyer Protection Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for maximum potential exposure | 5,155,000,000 |  |  |  |  | 5,155,000,000 | 5,072,000,000 |  |  |  |  | 5,155,000,000 |  | 5,072,000,000 |  |
Product liability, contingency, recorded allowance | $ 10,000,000 |  |  |  |  | $ 10,000,000 | $ 8,000,000 |  |  |  |  | $ 10,000,000 |  | $ 8,000,000 |  |
[1] | Recast for consistency with the current presentation due to the change in the presentation of certain financial results. Please refer to Note 2 – Summary of significant accounting policies - Change in the presentation of certain financial results and reclassification of prior year results.

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