v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
Significant Accounting Policies [Line Items]          
Supplier finance program $ 819   $ 819   $ 616
Aggregate gain included in net revenues arising from financing transactions, net of the costs recognized on sale of credit card receivables, 456 $ 270 823 $ 525  
Net revenues and financial income 7,055 4,803 13,120 8,994  
Revenue not recognized 3,114 $ 1,987 5,894 $ 3,731  
Allowance for doubtful accounts, loan receivables and chargebacks 88   88   63
Contract liabilities from contracts $ 172   172   $ 133
Deferred revenue, revenue recognized     $ 131    
Effective tax (in percent) 23.20% 27.00% 25.50% 28.50%  
Income tax expense $ (140) $ (193) $ (302) $ (405)  
Incremental shares related to independent director restricted stock unit award agreement | shares 130   123    
Secretariat Of Knowledge Economy Resolution Issued          
Significant Accounting Policies [Line Items]          
Income tax expense $ 16 $ 19 $ 29 $ 37  
Aggregate per share effect of the Argentine tax holiday (in dollars per share) | $ / shares $ 0.32 $ 0.36 $ 0.57 $ 0.72  
Social security benefit $ 13 $ 14 $ 13 $ 14  
Argentina          
Significant Accounting Policies [Line Items]          
Foreign exchange rate 1,482   1,482   1,455
Spread of exchange rate (in percent) 0.051   0.051   0.046
Mutual Fund          
Significant Accounting Policies [Line Items]          
Assets under administration (AUA) $ 5,568   $ 5,568   $ 4,536