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Summary of significant accounting policies - Narrative (Details)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
$ / shares
Sep. 30, 2022
USD ($)
$ / shares
Sep. 30, 2023
USD ($)
$ / shares
Sep. 30, 2022
USD ($)
$ / shares
Dec. 31, 2022
USD ($)
Significant Accounting Policies [Line Items]          
Long-lived assets, intangible assets and goodwill located in the foreign operations $ 2,046   $ 2,046   $ 1,817
Aggregate gain included in net revenues arising from financing transactions, net of the costs recognized on sale of credit card receivables, 379 $ 261 1,055 $ 751  
Allowance for doubtful accounts, loan receivables and chargebacks 35   35   25
Deferred revenue 34   34   44
Deferred revenue, revenue recognized     29    
Income tax benefit (172) (69) (504) (154)  
Supplier finance program 302   302   $ 227
Subsidiary, DeRemate.com de Mexico, S. de R.L. de C.V          
Significant Accounting Policies [Line Items]          
Valuation allowance on deferred tax assets 141   141    
Secretariat Of Knowledge Economy Resolution Issued          
Significant Accounting Policies [Line Items]          
Income tax benefit $ 14 $ 15 $ 35 $ 19  
Aggregate per share effect of the Argentine tax holiday (in dollars per share) | $ / shares $ 0.27 $ 0.30 $ 0.69 $ 0.38  
Social security benefit $ 16 $ 13 $ 49 $ 39  
Argentina          
Significant Accounting Policies [Line Items]          
Quarterly inflation rate     1.032 0.661  
Foreign exchange rate 349.95   349.95   177.16
Quarterly depreciation     0.975 0.434  
Spread of exchange rate 1.350   1.350   0.942