v3.24.0.1
Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Billions
Dec. 31, 2023
Dec. 31, 2022
Estimated Amortization Expense of Finite-Lived Intangible Assets    
Accumulated Amortization $ (30.3) $ (25.9)
Total 117.5 114.5
Franchise rights    
Indefinite-lived Intangible Assets [Line Items]    
Gross Carrying Amount 59.4 59.4
FCC licenses    
Indefinite-lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 2.8 2.8
Customer relationships    
Estimated Amortization Expense of Finite-Lived Intangible Assets    
Weighted-Average Original Useful Life 14 years  
Gross Carrying Amount $ 20.8 20.4
Accumulated Amortization $ (13.3) (11.4)
Software    
Estimated Amortization Expense of Finite-Lived Intangible Assets    
Weighted-Average Original Useful Life 5 years  
Gross Carrying Amount $ 23.2 20.9
Accumulated Amortization $ (14.8) (12.7)
Other agreements and rights    
Estimated Amortization Expense of Finite-Lived Intangible Assets    
Weighted-Average Original Useful Life 26 years  
Gross Carrying Amount $ 11.3 11.1
Accumulated Amortization $ (2.2) $ (1.8)