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Property, Plant and Equipment
6 Months Ended
Jun. 30, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

6. Property, Plant and Equipment

Property, plant and equipment – net, consisted of the following.

 At
 June 30, December 31,
(In millions)2011 2010
      
Original cost$ 113,029 $ 110,032
Less accumulated depreciation and amortization  (44,183)   (43,820)
Property, plant and equipment – net$ 68,846 $ 66,212

Consolidated depreciation and amortization related to property, plant and equipment was $2,302 million and $2,373 million in the three months ended June 30, 2011 and 2010, respectively, and $4,594 million and $4,838 million in the six months ended June 30, 2011 and 2010, respectively.