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Goodwill
12 Months Ended
Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Disclosure [Text Block]
GOODWILL

The Company has goodwill resulting from purchase business combinations.

The change in the carrying amount of goodwill for the fiscal years ended December 31, 2012 and 2011 is as follows:
 
2012
 
2011
 
(In millions)
Balance as of January 1
$
2,020

 
$
2,020

Goodwill attributable to sale of Unconventional Gas Production business
(2
)
 

Balance at December 31
$
2,018

 
$
2,020