v3.24.0.1
Business Combinations - Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Millions
Jul. 01, 2021
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Business Acquisition [Line Items]        
Goodwill   $ 12,234 $ 12,234 $ 12,188
Shentel        
Business Acquisition [Line Items]        
Inventory $ 2      
Property and equipment 136      
Operating lease right-of-use assets 308      
Goodwill 1,035      
Other intangible assets 770      
Other assets 7      
Total assets acquired 2,258      
Short-term operating lease liabilities 73      
Operating lease liabilities 264      
Other long-term liabilities 35      
Total liabilities assumed 372      
Total consideration transferred $ 1,886