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Goodwill
 9 Months Ended
Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
Goodwill

We perform an impairment test for goodwill and indefinite-lived intangible assets annually as of October 1, or more frequently if indicators of potential impairment exist.

During the second quarter of 2014, we engaged in negotiation to sell our land drilling and workover rig operations in Russia and Venezuela and we subsequently entered into an agreement to sell this business in July 2014. During this timeframe we expected the sale would significantly impact the revenues and results of operations of our Russia reporting unit, and consequently, we considered the associated circumstances to assess whether an event or change had occurred that, more likely than not, reduced the fair value of our reporting units below their carrying amount. We concluded that the planned sale represented an indicator of impairment and we prepared the analysis necessary to identify the potential impairment and recognize any necessary impairment loss. The analysis indicated that the goodwill for the Russia reporting unit was impaired and during the nine months ended September 30, 2014 we recognized a goodwill impairment loss of $121 million, $95 million of which pertained to goodwill classified in current assets held for sale. See Note 2 – Business Combinations and Divestitures for additional information regarding the non-cash impairment charges to our current assets held for sale.

The changes in the carrying amount of goodwill by reportable segment for the nine months ended September 30, 2014 were as follows:
(Dollars in millions)
North
America
 
MENA/
Asia Pacific
 
Europe/
SSA/
Russia
 
Latin
America
 
Total
Balance at December 31, 2013 - as Reported
$
2,243

 
$
209

 
$
912

 
$
345

 
$
3,709

Reclassification to current assets held for sale
(46
)
 
(8
)
 
(142
)
 
(24
)
 
(220
)
Balance at December 31, 2013 - as Adjusted
2,197

 
201

 
770

 
321

 
3,489

Impairment
—

 
—

 
(26
)
 
—

 
(26
)
Acquisitions
—

 
6

 
—

 
—

 
6

Purchase price and other adjustments
1

 
—

 
7

 
(14
)
 
(6
)
Foreign currency translation adjustments
(42
)
 
(1
)
 
(41
)
 
(4
)
 
(88
)
Balance at September 30, 2014
$
2,156

 
$
206

 
$
710

 
$
303

 
$
3,375