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COMMITMENTS AND CONTINGENCIES - Narrative (Details) | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 31, 2023 USD ($) | Jun. 30, 2025 USD ($) case | Dec. 31, 2024 USD ($) | Apr. 08, 2022 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Reserves for proceeding-related contingencies |  | $ 161,000,000 |  |
Aggregate amount for legal actions for which no loss amount has been accrued |  | 380,000,000 |  |
Estimated litigation liabilities |  | 0 |  |
Provision for disputed amounts |  | $ 16,000,000 |  |
Air logistics services agreement term |  | 10 years |  |
Committed contract, minimum annual cost | $ 55,000,000 |  |  |
Operating lease agreement not yet commenced |  | $ 1,333,000,000 |  |
Capital Addition Purchase Commitments |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Committed contract, minimum annual cost |  | 11,000,000 |  |
Operating lease agreement not yet commenced |  | $ 34,000,000 |  |
Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Operating lease term not yet commenced yet |  | 3 years |  |
Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Operating lease term not yet commenced yet |  | 15 years |  |
Air Logistics Services |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Committed contract, minimum annual cost |  | $ 263,000,000 |  | $ 331,000,000
Logistic Services |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Air logistics services agreement term | 3 years |  |  |
Committed contract, minimum annual cost |  | 35,000,000 |  |
Cloud Platform Services |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Paid in relation to the contract |  | 2,777,000,000 |  |
Fully Paid Off Between October 1, 2021 And September 30, 2026 | Cloud Platform Services |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Purchase commitment |  | 3,198,000,000 |  |
ICMS-DIFAL |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Expected withdrawal of funds |  | 1,000,000 |  |
Provision for disputed amounts |  | $ 2,000,000 |  |
Number of ongoing cases | case |  | 3 |  |
Judicial deposits |  | $ 2,000,000 |  |
ICMS-DIFAL | One Writ |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Total amount of claim including surcharges and interest |  | 38,000,000 |  |
Buyer Protection Program |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Provision for maximum potential exposure |  | 6,500,000,000 | $ 5,769,000,000 |
Product liability, contingency, recorded allowance |  | $ 13,000,000 | $ 14,000,000 |

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