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FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES - Fair Value Of Financial Assets And Liabilities Measured At Amortized Cost (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Reported Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	$ 14,069	$ 9,351
Reported Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	18,627	12,905
Estimate of Fair Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	14,014	9,333
Estimate of Fair Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	18,533	12,851
Accounts payable and accrued expenses | Reported Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	3,196	2,117
Accounts payable and accrued expenses | Estimate of Fair Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	3,196	2,117
Funds payable to customers | Reported Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	6,954	4,475
Funds payable to customers | Estimate of Fair Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	6,954	4,475
Amounts payable due to credit and debit card transactions | Reported Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	1,964	1,092
Amounts payable due to credit and debit card transactions | Estimate of Fair Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	1,964	1,092
Salaries and social security payable | Reported Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	564	441
Salaries and social security payable | Estimate of Fair Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	564	441
Loans payable and other financial liabilities | Reported Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	5,593	4,495
Loans payable and other financial liabilities | Estimate of Fair Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	5,499	4,441
Other liabilities | Reported Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	356	285
Other liabilities | Estimate of Fair Value Measurement | Financial Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	356	285
Cash and cash equivalents | Financial Assets | Cash in bank accounts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	38	12
Cash and cash equivalents | Financial Assets | Time deposits
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	171	74
Cash and cash equivalents | Reported Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	2,059	1,825
Cash and cash equivalents | Estimate of Fair Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	2,059	1,825
Restricted cash and cash equivalents | Reported Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	1,298	898
Restricted cash and cash equivalents | Estimate of Fair Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	1,298	898
Investments | Reported Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	160	15
Investments | Estimate of Fair Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	160	15
Accounts receivables, net | Reported Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	255	156
Accounts receivables, net | Estimate of Fair Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	255	156
Credit card receivables and other means of payment, net | Reported Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	5,288	3,632
Credit card receivables and other means of payment, net | Estimate of Fair Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	5,288	3,632
Loans receivable, net | Reported Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	4,895	2,694
Loans receivable, net | Estimate of Fair Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	4,840	2,676
Other assets | Reported Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	114	131
Other assets | Estimate of Fair Value Measurement | Financial Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	$ 114	$ 131

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