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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	Mar. 31, 2025	Dec. 31, 2024
Reported Value Measurement | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	$ 15,386	$ 14,069
Reported Value Measurement | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	20,238	18,627
Reported Value Measurement | Accounts payable and accrued expenses | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	3,330	3,196
Reported Value Measurement | Funds payable to customers | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	7,391	6,954
Reported Value Measurement | Amounts payable due to credit and debit card transactions | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	2,185	1,964
Reported Value Measurement | Salaries and social security payable | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	603	564
Reported Value Measurement | Loans payable and other financial liabilities | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	6,318	5,593
Reported Value Measurement | Other liabilities | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	411	356
Reported Value Measurement | Cash and cash equivalents | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	2,279	2,059
Reported Value Measurement | Restricted cash and cash equivalents | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	1,197	1,298
Reported Value Measurement | Investments | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	126	160
Reported Value Measurement | Accounts receivables, net | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	261	255
Reported Value Measurement | Credit cards | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	5,532	5,288
Reported Value Measurement | Loans receivable, net | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	5,726	4,895
Reported Value Measurement | Other assets | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	265	114
Estimate Of Fair Value Measurement | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	15,322	14,014
Estimate Of Fair Value Measurement | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	20,167	18,533
Estimate Of Fair Value Measurement | Accounts payable and accrued expenses | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	3,330	3,196
Estimate Of Fair Value Measurement | Funds payable to customers | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	7,391	6,954
Estimate Of Fair Value Measurement | Amounts payable due to credit and debit card transactions | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	2,185	1,964
Estimate Of Fair Value Measurement | Salaries and social security payable | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	603	564
Estimate Of Fair Value Measurement | Loans payable and other financial liabilities | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	6,247	5,499
Estimate Of Fair Value Measurement | Other liabilities | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Liabilities	411	356
Estimate Of Fair Value Measurement | Cash and cash equivalents | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	2,279	2,059
Estimate Of Fair Value Measurement | Restricted cash and cash equivalents | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	1,197	1,298
Estimate Of Fair Value Measurement | Investments | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	126	160
Estimate Of Fair Value Measurement | Accounts receivables, net | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	261	255
Estimate Of Fair Value Measurement | Credit cards | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	5,532	5,288
Estimate Of Fair Value Measurement | Loans receivable, net | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	5,662	4,840
Estimate Of Fair Value Measurement | Other assets | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets	$ 265	$ 114

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Fair value portion of asset recognized for present right to economic benefit.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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