Note 2 – Costs divided by type of expence

Group	2015	2014
Material costs	-3,230	-3,261
Salaries, other remuneration and social security expenses	-400	-403
Other external costs	-456	-464
Depreciation and amortization	-186	-85
Other operating expenses	-4	-15
Total	-4,276	-4,228

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.