XML 187 R131.htm IDEA: XBRL DOCUMENT v3.22.1
Financial and capital risk management - Financial instruments, except for accounts receivable (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of external credit grades [line items]    
Financial assets $ 17,293 $ 22,632
Revolving credit facilities    
Disclosure of external credit grades [line items]    
Notional amount 5,000  
Revolving credit facilities due 2024    
Disclosure of external credit grades [line items]    
Notional amount 3,000  
Revolving Credit facilities Due March 2026    
Disclosure of external credit grades [line items]    
Notional amount 2,000  
Cash And Cash Equivalents Current [Member ]    
Disclosure of external credit grades [line items]    
Financial assets 11,721 13,487
Short-term investments    
Disclosure of external credit grades [line items]    
Financial assets 184 771
Restricted cash    
Disclosure of external credit grades [line items]    
Financial assets 117 38
Judicial deposits    
Disclosure of external credit grades [line items]    
Financial assets 1,220 1,268
Derivative financial instruments    
Disclosure of external credit grades [line items]    
Financial assets 131 200
Investments in equity securities    
Disclosure of external credit grades [line items]    
Financial assets 6 757
Related Parties Noncurrent [Member]    
Disclosure of external credit grades [line items]    
Financial assets   1,118
Financial instruments, except for accounts receivable    
Disclosure of external credit grades [line items]    
Financial assets $ 13,379 $ 17,639