XML 81 R74.htm IDEA: XBRL DOCUMENT v3.8.0.1
Inventories (Tables)
 12 Months Ended
Dec. 31, 2017
Disclosure Of Inventories [Abstract]  
Summary of inventories

 

 

 

2017

 

2016

 

 

US$m

 

US$m

 

Raw materials and purchased components

 

648

 

 

470

 

Consumable stores

 

875

 

 

840

 

Work in progress

 

1,082

 

 

970

 

Finished goods and goods for resale

 

1,027

 

 

800

 

 

 

3,632

 

 

3,080

 

Comprising:

 

 

 

 

 

 

Expected to be used within one year

 

3,472

 

 

2,937

 

Expected to be used after more than one year

 

160

 

 

143

 

 

 

3,632

 

 

3,080