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Property and Equipment
9 Months Ended
Sep. 30, 2012
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
Property and equipment consisted of the following (in millions):
 
 
September 30,
2012
 
December 31,
2011
Network equipment
$
1,628

 
$
1,016

Land
35

 
34

Buildings
454

 
355

Leasehold improvements
163

 
120

Computer software, office equipment and other
88

 
73

Construction in progress
655

 
327

Total
3,023

 
1,925

Accumulated depreciation and amortization
(734
)
 
(450
)
Property and equipment, net
$
2,289

 
$
1,475


Construction in progress includes costs primarily related to the construction of data centers and equipment located in our new data centers in Oregon, North Carolina and Sweden.