XML 153 R94.htm IDEA: XBRL DOCUMENT v3.20.4
Trade receivables - Trade receivables by currency (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Disclosure of geographical areas [line items]    
Total trade receivables, net $ 1,361 $ 1,390
US dollar (USD)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 477 463
Euro (EUR)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 214 243
Japanese yen (JPY)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 168 168
Chinese yuan (CNY)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 121 102
Indian rupee (INR)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 30 33
Canadian dollar (CAD)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 32 30
Australian dollar (AUD)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 29 29
British pound (GBP)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 21 24
Russian ruble (RUB)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 28 34
South Korean won (KRW)    
Disclosure of geographical areas [line items]    
Total trade receivables, net 31 29
Other currencies    
Disclosure of geographical areas [line items]    
Total trade receivables, net $ 210 $ 235