Note 2 – Costs divided by type of expence

Group	2017	2016
Material costs	3,372	2,912
Salaries, other remuneration and social security expenses	402	408
Other external costs	451	476
Depreciation and amortization	74	64
Other operating expenses	27	6
Total	4,326	3,866

The specification of costs divided by type of expense refers to items included in the Income Statement under cost of goods sold, selling expenses, administrative expenses and other operating expenses.