XML 189 R166.htm IDEA: XBRL DOCUMENT v3.19.1
Financial risk management - Value at risk (Details) - Currency risk - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Percentage of confidence level to determine value at risk 95.00%  
Holding period of value at risk 1 month  
Probability percentage that potential loss not exceed value at risk 95.00%  
Probability percentage that potential loss will be at minimum equal to value at risk 5.00%  
Total VaR € 16 € 22
Impact on profit 21 13
Imapct on OCI 33 30
Impact on CTA 6  
Average for the year    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Total VaR 14 14
Impact on profit 18 26
Imapct on OCI 38 46
Impact on CTA 5  
Minimum    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Total VaR 5 5
Impact on profit 7  
Imapct on OCI 25  
Impact on CTA 0  
Maximum    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Total VaR 24 € 24
Impact on profit 27  
Imapct on OCI 58  
Impact on CTA € 8