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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2012
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
Property, plant, and equipment as of September 30, 2012 includes non-cash additions of approximately $900 million along with corresponding increases in accounts payable and accrued expenses and other current liabilities.
The components of property, plant and equipment, and the related accumulated depreciation were as follows:
 
September 30,
2012
 
December 31,
2011
 
(in millions)
Land
$
330

 
$
333

Network equipment, site costs and related software
37,152

 
37,600

Buildings and improvements
4,886

 
4,895

Non-network internal use software, office equipment and other
1,846

 
2,111

Construction in progress
2,522

 
1,752

Less accumulated depreciation
(33,628
)
 
(32,682
)
Property, plant and equipment, net
$
13,108

 
$
14,009