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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	Sep. 30, 2023	Dec. 31, 2022
Reported Value Measurement | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	$ 8,908	$ 7,757
Reported Value Measurement | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	11,788	10,628
Reported Value Measurement | Accounts payable and accrued expenses | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	1,910	1,393
Reported Value Measurement | Funds payable to customers | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	4,016	3,454
Reported Value Measurement | Amounts payable due to credit and debit card transactions | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	757	488
Reported Value Measurement | Salaries and social security payable | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	445	349
Reported Value Measurement | Loans payable and other financial liabilities | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	4,454	4,758
Reported Value Measurement | Other liabilities | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	206	186
Reported Value Measurement | Cash and cash equivalents | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	1,407	1,290
Reported Value Measurement | Restricted cash and cash equivalents | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	866	943
Reported Value Measurement | Investments | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	326	439
Reported Value Measurement | Accounts receivables, net | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	161	130
Reported Value Measurement | Credit cards | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	3,375	2,946
Reported Value Measurement | Loans receivable, net | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	2,378	1,736
Reported Value Measurement | Other assets | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	395	273
Estimate Of Fair Value Measurement | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	8,917	7,782
Estimate Of Fair Value Measurement | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	11,820	10,867
Estimate Of Fair Value Measurement | Accounts payable and accrued expenses | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	1,910	1,393
Estimate Of Fair Value Measurement | Funds payable to customers | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	4,016	3,454
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]
Liabilities	757	488
Estimate Of Fair Value Measurement | Salaries and social security payable | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	445	349
Estimate Of Fair Value Measurement | Loans payable and other financial liabilities | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	4,486	4,997
Estimate Of Fair Value Measurement | Other liabilities | Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	206	186
Estimate Of Fair Value Measurement | Cash and cash equivalents | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	1,407	1,290
Estimate Of Fair Value Measurement | Restricted cash and cash equivalents | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	866	943
Estimate Of Fair Value Measurement | Investments | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	326	439
Estimate Of Fair Value Measurement | Accounts receivables, net | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	161	130
Estimate Of Fair Value Measurement | Credit cards | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	3,375	2,946
Estimate Of Fair Value Measurement | Loans receivable, net | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	2,387	1,761
Estimate Of Fair Value Measurement | Other assets | Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	$ 395	$ 273

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

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+ References

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- Definition

Fair value of financial and nonfinancial obligations.

+ References

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-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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