v3.25.1
Goodwill, Spectrum License Transactions and Other Intangible Assets - Schedule of Spectrum Licenses (Details) - Licensing Agreements
$ in Millions
3 Months Ended
Mar. 31, 2025
USD ($)
Indefinite-lived Intangible Assets [Roll Forward]  
Beginning balance $ 100,558
Spectrum license acquisitions 254
Spectrum licenses transferred to held for sale (2,084)
Costs to clear spectrum 5
Ending balance $ 98,733