v3.26.1
Spectrum License Transactions - Schedule of Spectrum License Activity (Details) - Licensing Agreements
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Indefinite-lived Intangible Assets [Roll Forward]  
Spectrum licenses, beginning of year $ 98,032
Spectrum license acquisitions 39
Spectrum licenses transferred to held for sale (507)
Spectrum licenses, end of period $ 97,564