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SEGMENTS - Consolidated Net Revenues by Similar Products and Services (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2023
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | $ 4,333 | $ 4,409 | $ 3,927 | $ 3,585 | $ 3,186 | [1] | $ 15,107
Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 2,496 |  |  |  | 1,676 |  |
Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 1,837 |  |  |  | 1,510 |  |
Services | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 2,128 |  |  |  | 1,415 |  |
Services | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 1,057 |  |  |  | 961 |  |
Products Sales | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 368 |  |  |  | 261 |  |
Products Sales | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 10 |  |  |  | 13 |  |
Credit Revenues | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 770 |  |  |  | 536 |  |
Operating Segments |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income |  |  |  |  | 3,186 |  |
Operating Segments | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income |  |  |  |  | 1,676 |  |
Operating Segments | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income |  |  |  |  | 1,510 |  |
Operating Segments | Services | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income |  |  |  |  | 1,415 |  |
Operating Segments | Services | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income |  |  |  |  | 961 |  |
Operating Segments | Credit Revenues | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income |  |  |  |  | 536 |  |
Operating Segments | Brazil |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 2,571 |  |  |  | 1,639 |  |
Operating Segments | Brazil | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 1,563 |  |  |  | 907 |  |
Operating Segments | Brazil | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 1,008 |  |  |  | 732 |  |
Operating Segments | Brazil | Services | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 1,313 |  |  |  | 762 |  |
Operating Segments | Brazil | Services | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 587 |  |  |  | 486 |  |
Operating Segments | Brazil | Products Sales | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 250 |  |  |  | 145 |  |
Operating Segments | Brazil | Products Sales | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 5 |  |  |  | 5 |  |
Operating Segments | Brazil | Credit Revenues | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 416 |  |  |  | 241 |  |
Operating Segments | Argentina |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 615 |  |  |  | 787 |  |
Operating Segments | Argentina | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 200 |  |  |  | 273 |  |
Operating Segments | Argentina | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 415 |  |  |  | 514 |  |
Operating Segments | Argentina | Services | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 176 |  |  |  | 224 |  |
Operating Segments | Argentina | Services | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 295 |  |  |  | 353 |  |
Operating Segments | Argentina | Products Sales | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 24 |  |  |  | 49 |  |
Operating Segments | Argentina | Products Sales | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 1 |  |  |  | 2 |  |
Operating Segments | Argentina | Credit Revenues | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 119 |  |  |  | 159 |  |
Operating Segments | Mexico |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 971 |  |  |  | 610 |  |
Operating Segments | Mexico | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 613 |  |  |  | 398 |  |
Operating Segments | Mexico | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 358 |  |  |  | 212 |  |
Operating Segments | Mexico | Services | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 531 |  |  |  | 338 |  |
Operating Segments | Mexico | Services | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 123 |  |  |  | 75 |  |
Operating Segments | Mexico | Products Sales | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 82 |  |  |  | 60 |  |
Operating Segments | Mexico | Products Sales | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 3 |  |  |  | 2 |  |
Operating Segments | Mexico | Credit Revenues | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 232 |  |  |  | 135 |  |
Operating Segments | Other Countries |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 176 |  |  |  | 150 |  |
Operating Segments | Other Countries | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 120 |  |  |  | 98 |  |
Operating Segments | Other Countries | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 56 |  |  |  | 52 |  |
Operating Segments | Other Countries | Services | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 108 |  |  |  | 91 |  |
Operating Segments | Other Countries | Services | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 52 |  |  |  | 47 |  |
Operating Segments | Other Countries | Products Sales | Commerce |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 12 |  |  |  | 7 |  |
Operating Segments | Other Countries | Products Sales | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | 1 |  |  |  | 4 |  |
Operating Segments | Other Countries | Credit Revenues | Fintech |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Net revenues and financial income | $ 3 |  |  |  | $ 1 |  |
[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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