v3.24.3
Goodwill, Spectrum License Transactions and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Millions
9 Months Ended
May 01, 2024
Sep. 30, 2024
Dec. 31, 2023
Goodwill [Roll Forward]      
Beginning balance   $ 12,234  
Ending balance   13,015  
Accumulated impairment losses   10,984 $ 10,984
Ka Ena Corporation      
Goodwill [Roll Forward]      
Preliminary goodwill from the Ka’ena Acquisition in 2024 $ 781 $ 781