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Goodwill (Tables)
 6 Months Ended
Jun. 30, 2020
Goodwill And Intangible Assets Disclosure [Abstract]  
Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill by segment were as follows:

 

 

(Stated in millions)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reservoir

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Characterization

 

 

Drilling

 

 

Production

 

 

Cameron

 

 

Total

 

Balance at December 31, 2019

$

4,560

 

 

$

7,092

 

 

$

3,949

 

 

$

441

 

 

$

16,042

 

Impairment (See Note 2)

 

-

 

 

 

(1,659

)

 

 

(1,228

)

 

 

(183

)

 

 

(3,070

)

Impact of changes in exchange rates and other

 

(3

)

 

 

6

 

 

 

(21

)

 

 

-

 

 

 

(18

)

Balance at June 30, 2020

$

4,557

 

 

$

5,439

 

 

$

2,700

 

 

$

258

 

 

$

12,954