v3.10.0.1
Inventories, Net
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories, Net

10 Inventories, net

Inventories are summarized as follows:

 

 

 

2018

 

 

2017

 

Raw materials

 

 

74

 

 

 

62

 

Work in process

 

 

949

 

 

 

901

 

Finished goods

 

 

256

 

 

 

273

 

 

 

 

1,279

 

 

 

1,236

 

 

The portion of finished goods stored at customer locations under consignment amounted to $52 million as of December 31, 2018 (2017: $69 million).

The amounts recorded above are net of an allowance for obsolescence of $111 million as of December 31, 2018 (2017: $107 million).