Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Property and Equipment (Details)

v3.22.4
Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]      
Property and equipment $ 1,396 $ 1,227  
Accumulated depreciation (385) (196)  
Property and equipment, net 1,011 1,031  
Depreciation expense 195 192 $ 9
Capitalized interest costs 4 2  
Land      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 16 16  
Building      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 25 years    
Property and equipment, gross $ 105 98  
Telephony transmission equipment and distribution facilities      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 810 705  
Telephony transmission equipment and distribution facilities | Minimum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 5 years    
Telephony transmission equipment and distribution facilities | Maximum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 20 years    
Cable transmission equipment and distribution facilities      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 108 94  
Cable transmission equipment and distribution facilities | Minimum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 5 years    
Cable transmission equipment and distribution facilities | Maximum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 30 years    
Support equipment and systems      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 106 97  
Support equipment and systems | Minimum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 3 years    
Support equipment and systems | Maximum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 20 years    
Fiber optic cable systems      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 73 69  
Fiber optic cable systems | Minimum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 15 years    
Fiber optic cable systems | Maximum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 25 years    
Other      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 52 40  
Other | Minimum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 2 years    
Other | Maximum      
Property, Plant and Equipment [Line Items]      
Remaining useful lives of property and equipment 20 years    
Construction in progress      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 126 $ 108