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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
Major Classes of Property and Equipment
The major classes of property and equipment are summarized in the table below. The information below also gives effect to the Historical Adjustments as discussed in note 2.
 
Estimated Useful Lives
 
As of December 31,
 
 
2019
 
2018
 
 
 
 
 
(As Restated)
Land(a)
 
$
2,080

 
$
1,981

Buildings
40 years
 
147

 
134

Communications infrastructure assets
1-20 years
 
20,521

 
18,683

Information technology assets and other
2-7 years
 
506

 
443

Construction in process
 
1,080

 
975

Total gross property and equipment
 
 
24,334

 
22,216

Less: accumulated depreciation
 
 
(9,668
)
 
(8,563
)
Total property and equipment, net
 
 
$
14,666

 
$
13,653

    
(a)
Includes land owned through fee interests and perpetual easements.