EXPENSES BY NATURE (Tables)

12 Months Ended

Dec. 31, 2019

Expenses by nature [abstract]

Schedule of Total Operating Expenses by Nature

(in millions of Euros)	Year ended December 31, 2019		Year ended December 31, 2018		Year ended December 31, 2017
Raw materials and consumables used	(3,535	)	(3,561	)	(3,197	)
Employee benefit expenses	(1,038	)	(927	)	(907	)
Energy costs	(162	)	(140	)	(138	)
Sub-contractors	(100	)	(92	)	(99	)
Freight out costs	(156	)	(143	)	(124	)
Professional fees	(97	)	(74	)	(77	)
Lease expenses	(13	)	(31	)	(27	)
Depreciation and amortization	(256	)	(197	)	(171	)
Other operating expenses	(276	)	(271	)	(229	)
Other gains / (losses) - net	(19	)	154		70
Total operating expenses	(5,652	)	(5,282	)	(4,899	)