XML 530 R119.htm IDEA: XBRL DOCUMENT v3.22.0.1
FINANCIAL RISK MANAGEMENT - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2021
EUR (€)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
EUR (€)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
EUR (€)
Dec. 31, 2018
EUR (€)
Disclosure of liquidity risk [line items]              
Percentage of trade account receivables insured 77.00%     77.00%      
Revolving credit facilities outstanding availability € 447,000,000            
Liquidity value 773,000,000   € 981,000,000        
Cash and cash equivalents 147,000,000   439,000,000     € 184,000,000 € 164,000,000
Undrawn facilities 626,000,000   542,000,000        
Derivative classified as cash flow hedge              
Disclosure of liquidity risk [line items]              
Nominal amount hedging instrument | $       $ 274 $ 330    
Forward purchase contracts versus EURO | Foreign exchange forward contracts              
Disclosure of liquidity risk [line items]              
Net position hedges related to loans and deposits | $   $ 33          
U.S. Revolving Facility              
Disclosure of liquidity risk [line items]              
Borrowing base | $       $ 353      
French Inventory Based Facility              
Disclosure of liquidity risk [line items]              
Borrowing base 100,000,000            
Currency risk              
Disclosure of liquidity risk [line items]              
Margin requirement paid as collateral to counterparties 0   3,000,000        
Commodity price risk              
Disclosure of liquidity risk [line items]              
Margin requirement for aluminum and other commodity hedges 0   0        
10% increase or decrease in the market price | Aluminium              
Disclosure of liquidity risk [line items]              
Impact of increase or decrease in market price in gain or loss from derivatives 36,000,000            
Top of range | 50 basis point increase or decrease in the LIBOR or EURIBOR interest rates              
Disclosure of liquidity risk [line items]              
Impact of increase or decrease in interest rate in income before income tax € 1,000,000   € 1,000,000