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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) | 12 Months Ended |
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Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Feb. 23, 2024
Significant Accounting Policies [Line Items] |  |  |  |
Long-lived assets, intangible assets and goodwill located in the foreign operations | $ 2,321,000,000 | $ 1,817,000,000 |  |
Provision for doubtful accounts | 1,050,000,000 | 1,073,000,000 | $ 435,000,000 |
Prepaid expenses | $ 27,000,000 | 38,000,000 |  |
Loans receivable write off, threshold period past due | 360 days |  |  |
Accounts receivable write off, threshold period past due | 180 days |  |  |
Customer crypto-assets safeguarding assets | $ 34,000,000 | 15,000,000 |  |
Amortized period, years | 3 years |  |  |
Capitalized software costs | $ 240,000,000 | 202,000,000 |  |
Goodwill, impairment loss | 0 | 0 | 0 |
Income tax expense (benefit) | (569,000,000) | (298,000,000) | (149,000,000) |
Comprehensive income | 1,161,000,000 | 533,000,000 | 36,000,000 |
Aggregate gain included in net revenues arising from financing transactions net of costs recognized on sale of credit card receivables | 1,440,000,000 | 1,054,000,000 | 575,000,000 |
Net revenues | 10,487,000,000 | 7,450,000,000 | 5,710,000,000 |
Receivables recognized from transfers and servicing | 3,986,000,000 | 3,087,000,000 | 1,359,000,000 |
Allowance for doubtful accounts, loan receivables and chargebacks | 42,000,000 | 25,000,000 |  |
Customer advances | 29,000,000 | 44,000,000 |  |
Cost of net revenues | 1,119,000,000 | 790,000,000 | 569,000,000 |
Advertising costs | 787,000,000 | 593,000,000 | $ 531,000,000 |
SFP amount | 381,000,000 | 227,000,000 |  |
Gains included in net income | 15,000,000 |  |  |
Gains included in net income | 14,000,000 |  |  |
Intangible assets at fair value | 24,000,000 | 0 |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Intangible assets at fair value |  | 1,000,000 |  |
Bitcoin |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Customer crypto-assets safeguarding assets | 18,000,000 | 6,000,000 |  |
Intangible assets at fair value | 17,000,000 |  |  |
Ether |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Customer crypto-assets safeguarding assets | 7,000,000 | 5,000,000 |  |
Intangible assets at fair value | 7,000,000 |  |  |
Crypto-Asset, Other |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Customer crypto-assets safeguarding assets | $ 9,000,000 | $ 4,000,000 |  |
Argentina |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Annual inflation rate | 2.114 | 0.948 | 0.509 |
Foreign exchange rate | 808.45 | 177.16 | 102.72 |
Annual depreciation of local currency | 3.563 | 0.725 | 0.221 |
Blue chip swap rate | 0.204 | 0.942 |  |
Argentina | Subsequent Event |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Blue chip swap rate |  |  |  | 0.309
Icms Tax Benefits Granted |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Income tax expense (benefit) | $ 69,000,000 | $ 36,000,000 | $ 15,000,000 |
Social Contribution On Gross Revenues (CPRB) |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Income tax expense (benefit) | $ 24,000,000 | $ 9,000,000 | $ 0 |
Maximum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Merchant credit, repayment period | 48 months |  |  |
Amortized period, years | 12 years |  |  |
Payment terms | 90 days |  |  |
Maximum | Measurement Input, Discount Rate |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Measurement input | 21.10% |  |  |
Minimum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Merchant credit, repayment period | 7 days |  |  |
Amortized period, years | 3 years |  |  |
Payment terms | 60 days |  |  |
Minimum | Measurement Input, Discount Rate |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Measurement input | 11.50% |  |  |

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