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Financial Instruments and Risk Management - Schedule of Exposure to Exchange Rates (Details)
R$ in Millions, $ in Millions
Dec. 31, 2023
BRL (R$)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
BRL (R$)
Dec. 31, 2021
BRL (R$)
Dec. 31, 2020
BRL (R$)
Assets          
Marketable securities (Note 7) R$ 774   R$ 1,879    
Assets 6,540   5,993    
TOTAL ASSETS 55,000   53,671    
Liabilities          
Loans and financing (Note 21) - CDI (9,831) $ (1,857) (10,580) R$ (11,364) R$ (15,020)
TOTAL LIABILITIES (30,344)   (31,887)    
Net assets exposed (615)   R$ (1,423)    
TJLP [member] | Book Value [Member]          
Assets          
Cash equivalents (Note 6) 1,342        
Marketable securities (Note 7) 774        
Restricted cash 31        
Assets 806        
TOTAL ASSETS 2,953        
Liabilities          
Loans and financing (Note 21) - CDI (3,508)        
TOTAL LIABILITIES (3,508)        
Net assets exposed (555)        
TJLP [member] | Probable Ccenario [Member]          
Assets          
Cash equivalents (Note 6) 1,466        
Marketable securities (Note 7) 846        
Restricted cash 33        
Assets 880        
TOTAL ASSETS 3,225        
Liabilities          
Loans and financing (Note 21) - CDI (3,833)        
TOTAL LIABILITIES (3,833)        
Net assets exposed (608)        
Net effect of fluctuation in interest rates (53)        
TJLP [member] | Adverse Scenario [Member]          
Assets          
Cash equivalents (Note 6) 1,520        
Marketable securities (Note 7) 877        
Restricted cash 35        
Assets 912        
TOTAL ASSETS 3,344        
Liabilities          
Loans and financing (Note 21) - CDI (3,973)        
TOTAL LIABILITIES (3,973)        
Net assets exposed (629)        
Net effect of fluctuation in interest rates R$ (74)