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Goodwill (Tables)
 9 Months Ended
Sep. 30, 2016
Goodwill And Intangible Assets Disclosure [Abstract]  
Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill by reporting unit for the nine months ended September 30, 2016 were as follows:

 

 

(Stated in millions)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reservoir

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Characterization

 

 

Drilling

 

 

Production

 

 

Cameron

 

 

Total

 

Balance at December 31, 2015

$

3,798

 

 

$

8,584

 

 

$

3,223

 

 

$

-

 

 

$

15,605

 

Acquisition of Cameron

 

790

 

 

 

1,490

 

 

 

1,170

 

 

 

5,746

 

 

 

9,196

 

Other acquisitions

 

-

 

 

 

24

 

 

 

105

 

 

 

-

 

 

 

129

 

Reallocation

 

146

 

 

 

-

 

 

 

-

 

 

 

(146

)

 

 

-

 

Impact of changes in exchange rates

 

9

 

 

 

13

 

 

 

5

 

 

 

-

 

 

 

27

 

Balance at September 30, 2016

$

4,743

 

 

$

10,111

 

 

$

4,503

 

 

$

5,600

 

 

$

24,957