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Inventories (Tables)
 6 Months Ended
Jun. 30, 2016
Inventory Disclosure [Abstract]  
Summary of Inventory

A summary of inventories follows:  

 

(Stated in millions)

 

 

 

 

 

 

 

 

 

 

Jun. 30,

 

 

Dec. 31,

 

 

2016

 

 

2015

 

Raw materials & field materials

$

1,874

 

 

$

2,300

 

Work in progress

 

640

 

 

 

178

 

Finished goods

 

2,487

 

 

 

1,278

 

 

$

5,001

 

 

$

3,756