v3.26.3
Long-lived Assets - Schedule of Intangible Assets Not Subject to Amortization (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Indefinite-lived Intangible Assets [Line Items]    
Total intangible assets not subject to amortization $ 1,319.3 $ 1,319.3
Spectrum licenses    
Indefinite-lived Intangible Assets [Line Items]    
Total intangible assets not subject to amortization 777.5 777.5
Cable television franchise rights and other    
Indefinite-lived Intangible Assets [Line Items]    
Total intangible assets not subject to amortization $ 541.8 $ 541.8