Note 2 – Costs divided by type of expence

Group 2016 2015
Material costs -2,912  -3,230
Salaries, other remuneration and social security expenses -408  -400
Other external costs -476  -456
Depreciation and amortization -64  -186
Other operating expenses -6  -4
Total -3,866  -4,276

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.