XML 564 R135.htm IDEA: XBRL DOCUMENT v3.20.4
PENSIONS AND OTHER POST-EMPLOYMENT BENEFIT OBLIGATIONS - Net Defined Benefit Obligations by Country (Details)
€ in Millions, $ in Millions
Dec. 31, 2020
EUR (€)
Dec. 31, 2019
EUR (€)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
EUR (€)
Disclosure of net defined benefit liability (asset) [line items]        
Defined benefit obligations € 1,122 € 1,115    
Plan assets (458) (445)    
Net defined benefit liability 664 670 $ 670 € 610
France        
Disclosure of net defined benefit liability (asset) [line items]        
Defined benefit obligations 168 161    
Plan assets (5) (3)    
Net defined benefit liability 163 158    
Germany        
Disclosure of net defined benefit liability (asset) [line items]        
Defined benefit obligations 143 144    
Plan assets (1) (1)    
Net defined benefit liability 142 143    
Switzerland        
Disclosure of net defined benefit liability (asset) [line items]        
Defined benefit obligations 310 299    
Plan assets (223) (214)    
Net defined benefit liability 87 85    
United States        
Disclosure of net defined benefit liability (asset) [line items]        
Defined benefit obligations 500 510    
Plan assets (229) (227)    
Net defined benefit liability 271 283    
Other        
Disclosure of net defined benefit liability (asset) [line items]        
Defined benefit obligations 1 1    
Plan assets 0 0    
Net defined benefit liability € 1 € 1