XML 73 R50.htm IDEA: XBRL DOCUMENT v3.25.0.1
Property and Equipment (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]      
Total gross property and equipment $ 31,039 $ 29,945  
Less: accumulated depreciation (15,544) (14,279)  
Property and equipment, net 15,495 15,666  
Depreciation expense $ 1,300 1,300 $ 1,200
AT&T leased or subleased, or operated and managed towers 22.00%    
AT&T weighted-average initial term 28 years    
T-Mobile leased or subleased, or operated and managed towers 32.00%    
T-Mobile weighted-average initial term, option to purchase in 2037 32 years    
T-Mobile weighted-average initial term 28 years    
T-Mobile leased or subleased, or operated and managed towers, also subject to arrangements with AT&T 1.00%    
AT&T purchase option 2032 through 2048      
Property, Plant and Equipment [Line Items]      
Contractual Obligation $ 4,200    
T-Mobile Purchase obligation 2037      
Property, Plant and Equipment [Line Items]      
Contractual Obligation 2,300    
T-Mobile purchase option 2035 through 2049      
Property, Plant and Equipment [Line Items]      
Contractual Obligation 2,000    
AT&T purchase option prior to 2032      
Property, Plant and Equipment [Line Items]      
Contractual Obligation 385    
AT&T purchase option prior to 2029      
Property, Plant and Equipment [Line Items]      
Contractual Obligation 12    
Land owned in fee and perpetual easements [Member]      
Property, Plant and Equipment [Line Items]      
Total gross property and equipment [1] $ 2,537 2,442  
Buildings [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 40 years    
Total gross property and equipment $ 213 209  
Communication Infrastructure [Member]      
Property, Plant and Equipment [Line Items]      
Total gross property and equipment $ 26,519 25,479  
Communication Infrastructure [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 1 year    
Communication Infrastructure [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 20 years    
Information technology assets and other [Member]      
Property, Plant and Equipment [Line Items]      
Total gross property and equipment $ 725 681  
Information technology assets and other [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 2 years    
Information technology assets and other [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 7 years    
Construction in Process [Member]      
Property, Plant and Equipment [Line Items]      
Total gross property and equipment $ 1,045 $ 1,134  
[1] Includes land owned through fee interests and perpetual easements.