XML 76 R15.htm IDEA: XBRL DOCUMENT v2.4.1.9
Goodwill
 3 Months Ended
Mar. 31, 2015
Goodwill And Intangible Assets Disclosure [Abstract]  
Goodwill

 

7.   Goodwill

The changes in the carrying amount of goodwill by reporting unit for the three months ended March 31, 2015 were as follows:

 

 

(Stated in millions)

 

 

Reservoir

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Characterization

 

 

Drilling

 

 

Production

 

 

Total

 

Balance at December 31, 2014

$

3,812

 

 

$

8,488

 

 

$

3,187

 

 

$

15,487

 

Acquisitions

 

—

 

 

 

31

 

 

 

20

 

 

 

51

 

Impact of changes in exchange rates

 

(11

)

 

 

(7

)

 

 

(8

)

 

 

(26

)

Balance at March 31, 2015

$

3,801

 

 

$

8,512

 

 

$

3,199

 

 

$

15,512