v2.4.0.8
Property and Equipment
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
The major classes of property and equipment are as follows:
 
Estimated Useful Lives
 
December 31,
 
 
2013
 
2012
Land(a)
 
$
1,305,942

 
$
1,119,592

Buildings
40 years
 
70,497

 
56,883

Towers and small cells
1-20 years
 
11,717,453

 
9,589,282

Information technology assets and other
2-7 years
 
185,699

 
160,670

Construction in process
 
401,042

 
240,287

Total gross property and equipment
 
 
13,680,633

 
11,166,714

Less: accumulated depreciation
 
 
(4,732,956
)
 
(4,249,183
)
Total property and equipment, net
 
 
$
8,947,677

 
$
6,917,531

 
    
(a)
Includes land owned in fee and perpetual easements.
Depreciation expense for the years ended December 31, 2013, 2012 and 2011 was $562.1 million, $438.9 million and $387.8 million, respectively. Capital leases and associated leasehold improvements related to gross property and equipment and accumulated depreciation was $4.5 billion and $590.5 million, respectively, as of December 31, 2013. See note 1 and 2.