XML 325 R163.htm IDEA: XBRL DOCUMENT v3.22.0.1
Capital and Financial Risk Management - Additional Information (Detail)
$ in Millions, € in Billions
 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2021
EUR (€)
Disclosure of credit risk exposure [line items]      
Dividend coverage 2.7 1.2  
Net Investment Hedges [member]      
Disclosure of credit risk exposure [line items]      
Notional amount $ 726 $ 1,028  
Hedging instruments that reference 3-month US LIBOR [member]      
Disclosure of credit risk exposure [line items]      
Notional amount $ 1,400    
Credit risk [member] | Trade receivables [member]      
Disclosure of credit risk exposure [line items]      
Bad debt provision as percentage of gross trade receivables 3.20% 3.80% 3.20%
Commodity price risk [Member]      
Disclosure of credit risk exposure [line items]      
Hedge ratio 100.00%    
Liquidity risk [member] | Euro and USD commercial paper programme [member]      
Disclosure of credit risk exposure [line items]      
Euro Medium-Term Notes Programme | €     € 1.5
Commercial paper programme in place which is available for issue | $ $ 2,000    
Interest rate risk [member]      
Disclosure of credit risk exposure [line items]      
Hedge ratio 100.00%    
Foreign currency risk [Member]      
Disclosure of credit risk exposure [line items]      
Hedge ratio 100.00%