v3.24.2
Goodwill, Spectrum License Transactions and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 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