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Summary of significant accounting policies - Narrative (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2023
USD ($)
$ / shares
Jun. 30, 2022
USD ($)
$ / shares
Jun. 30, 2023
USD ($)
$ / shares
Jun. 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 $ 2,045,000,000   $ 2,045,000,000   $ 1,817,000,000
Aggregate gain included in net revenues arising from financing transactions, net of the costs recognized on sale of credit card receivables, 340,000,000 $ 263,000,000 676,000,000 $ 490,000,000  
Allowance for doubtful accounts, loan receivables and chargebacks 34,000,000   34,000,000   25,000,000
Allowance for doubtful accounts, loan receivables and chargebacks 1,136,000,000   1,136,000,000   1,112,000,000
Deferred revenue 56,000,000   56,000,000   44,000,000
Deferred revenue, revenue recognized     24,000,000    
Valuation allowance on deferred tax assets 415,000,000   415,000,000   360,000,000
Income tax benefit (210,000,000) (39,000,000) (332,000,000) (85,000,000)  
Supplier finance program 273,000,000   273,000,000   227,000,000
Credit Cards          
Significant Accounting Policies [Line Items]          
Unused agreed loan commitment 13,000,000   13,000,000   8,000,000
US Foreign Tax Credits          
Significant Accounting Policies [Line Items]          
Valuation allowance on deferred tax assets 176,000,000   176,000,000   $ 156,000,000
Increase in deferred tax valuation allowance     20,000,000    
Secretariat Of Knowledge Economy Resolution Issued          
Significant Accounting Policies [Line Items]          
Income tax benefit $ 11,000,000 $ 3,000,000 $ 21,000,000 $ 4,000,000  
Aggregate per share effect of the Argentine tax holiday (in dollars per share) | $ / shares $ 0.23 $ 0.06 $ 0.42 $ 0.08  
Social security benefit $ 15,000,000 $ 11,000,000 $ 33,000,000 $ 26,000,000  
Mexico          
Significant Accounting Policies [Line Items]          
Increase in deferred tax valuation allowance     $ 32,000,000    
Argentina          
Significant Accounting Policies [Line Items]          
Quarterly inflation rate     0.507 0.362  
Foreign exchange rate 256.70   256.70   177.16
Quarterly depreciation     0.449 0.219  
Spread of exchange rate 0.931   0.931   0.942