XML 63 R45.htm IDEA: XBRL DOCUMENT v3.22.0.1
Property and Equipment (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]      
Gross property and equipment $ 27,206 $ 25,965  
Less: accumulated depreciation (11,937) (10,803)  
Total property and equipment, net 15,269 15,162  
Depreciation expense 1,200 1,200 $ 1,100
Land owned in fee and perpetual easements [Member]      
Property, Plant and Equipment [Line Items]      
Gross property and equipment [1] 2,259 2,171  
Buildings [Member]      
Property, Plant and Equipment [Line Items]      
Gross property and equipment $ 218 147  
Property, Plant and Equipment, Useful Life 40 years    
Communication Infrastructure [Member]      
Property, Plant and Equipment [Line Items]      
Gross property and equipment $ 23,289 22,027  
Property, Plant and Equipment, Useful Life 20 years    
Information technology assets and other [Member]      
Property, Plant and Equipment [Line Items]      
Gross property and equipment $ 587 557  
Construction in Process [Member]      
Property, Plant and Equipment [Line Items]      
Gross property and equipment $ 853 $ 1,063  
Minimum [Member] | Communication Infrastructure [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 1 year    
Minimum [Member] | Information technology assets and other [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 2 years    
Maximum [Member] | Communication Infrastructure [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 20 years    
Maximum [Member] | Information technology assets and other [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 7 years    
[1] Includes land owned through fee interests and perpetual easements.