17 – Inventories

Million €

 

December 31,
2016

December 31,
2015

Raw materials and factory supplies

 

3,107

2,944

Work-in-process, finished goods and merchandise

 

6,808

6,680

Advance payments and services-in-process

 

90

69

Inventories

 

10,005

9,693

Work-in-process, finished goods and merchandise are combined into one item due to the production conditions in the chemical industry. Services-in-process primarily relate to services not invoiced as of the balance sheet date.

Cost of sales included inventories recognized as an expense amounting to €26,048 million in 2016, and €38,199 million in 2015.

A write-down of inventory was recognized in the amount of €43 million in 2016 and a write-up in the amount of €22 million in 2015. Changes in valuation allowances on inventory were largely due to lower net realizable value.

Of total inventories, €836 million was measured at net realizable value in 2016 and €770 million in 2015.