XML 47 R29.htm IDEA: XBRL DOCUMENT v3.22.0.1
Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Major Classes of Property and Equipment
The major classes of property and equipment are summarized in the table below.
 Estimated Useful LivesAs of December 31,
 20212020
Land(a)
$2,259 $2,171 
Buildings40 years218 147 
Communications infrastructure assets1-20 years23,289 22,027 
Information technology assets and other2-7 years587 557 
Construction in process853 1,063 
Total gross property and equipment27,206 25,965 
Less: accumulated depreciation(11,937)(10,803)
Total property and equipment, net$15,269 $15,162 
(a)Includes land owned through fee interests and perpetual easements.