v3.26.1
CASH, CASH EQUIVALENTS, RESTRICTED CASH AND CASH EQUIVALENTS AND INVESTMENTS (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Restricted Cash and Cash Equivalent Item [Line Items]        
Cash and cash equivalents $ 3,649 $ 3,670    
Restricted cash and cash equivalents 13,114 9,867    
Total cash, cash equivalents, restricted cash and cash equivalents 16,763 13,537 $ 6,888 $ 4,699
Short-term investments 2,081 2,629    
Long-term investments 1,715 1,764    
Foreign deposits 77 74    
U.S. government debt securities        
Restricted Cash and Cash Equivalent Item [Line Items]        
Short-term investments 1,420 1,519    
Long-term investments 548 463    
Foreign government debt securities        
Restricted Cash and Cash Equivalent Item [Line Items]        
Short-term investments 244 817    
Long-term investments 636 836    
Foreign government debt securities | Variable Interest Entity, Primary Beneficiary        
Restricted Cash and Cash Equivalent Item [Line Items]        
Long-term investments 229 473    
Foreign debt securities        
Restricted Cash and Cash Equivalent Item [Line Items]        
Short-term investments 164 146    
Time deposits        
Restricted Cash and Cash Equivalent Item [Line Items]        
Short-term investments 177 93    
Corporate debt securities        
Restricted Cash and Cash Equivalent Item [Line Items]        
Short-term investments 76 54    
Long-term investments 425 345    
Securitization transactions        
Restricted Cash and Cash Equivalent Item [Line Items]        
Long-term investments 0 8    
Equity securities at fair value        
Restricted Cash and Cash Equivalent Item [Line Items]        
Long-term investments 49 59    
Equity securities held at cost        
Restricted Cash and Cash Equivalent Item [Line Items]        
Long-term investments 57 53    
Brazil        
Restricted Cash and Cash Equivalent Item [Line Items]        
Deposited in brazilian federal government bonds 202 786    
Cash in bank accounts and digital wallets        
Restricted Cash and Cash Equivalent Item [Line Items]        
Cash and cash equivalents 1,511 2,182    
Cash in bank accounts and digital wallets | Brazil        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 11,174 7,865    
Cash in bank accounts and digital wallets | Argentina        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 360 394    
Cash in bank accounts and digital wallets | Mexico        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 39 127    
Cash in bank accounts and digital wallets | Chile        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 244 288    
Money market        
Restricted Cash and Cash Equivalent Item [Line Items]        
Cash and cash equivalents 1,159 856    
Time deposits        
Restricted Cash and Cash Equivalent Item [Line Items]        
Cash and cash equivalents 979 570    
Time deposits | Mexico        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 853 682    
Time deposits | Chile        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 46 44    
U.S. government debt securities        
Restricted Cash and Cash Equivalent Item [Line Items]        
Cash and cash equivalents 0 46    
Foreign government debt securities        
Restricted Cash and Cash Equivalent Item [Line Items]        
Cash and cash equivalents 0 16    
Long-term investments 11 9    
Securitization transactions        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 311 387    
Money market (held for Meli Dólar holders) | Argentina        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 67 50    
Cash in bank accounts and digital wallets (held for Meli Dólar holders) | Bermuda        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 11 12    
Other restricted cash and cash equivalents        
Restricted Cash and Cash Equivalent Item [Line Items]        
Restricted cash and cash equivalents 9 18    
Guarantee of line of credit | Uruguay | Foreign government debt securities        
Restricted Cash and Cash Equivalent Item [Line Items]        
Short-term investments 16 9    
Restricted Cash, Mandatory Guarantee To Operate, Futures Contracts | Brazil | Foreign government debt securities        
Restricted Cash and Cash Equivalent Item [Line Items]        
Long-term investments $ 12 $ 8