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Goodwill (Tables)
 3 Months Ended
Mar. 31, 2014
Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill by reporting unit for the three months ended March 31, 2014 were as follows:

 

 

 

 

 

 

 

 

 

 

(Stated in millions)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reservoir

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Characterization

 

 

Drilling

 

 

Production

 

 

Total

 

Balance at December 31, 2013

$

3,737

 

 

$

8,315

 

 

$

2,654

 

 

$

14,706

 

Acquisitions

 

14

 

 

 

-

 

 

 

124

 

 

 

138

 

Reallocation

 

83

 

 

 

(83

)

 

 

-

 

 

 

-

 

Impact of changes in exchange rates and other

 

(5

)

 

 

(3

)

 

 

(4

)

 

 

(12

)

Balance at March 31, 2014

$

3,829

 

 

$

8,229

 

 

$

2,774

 

 

$

14,832