v3.25.3
Goodwill and Intangible Assets - Goodwill and Non-amortizing Intangible Assets (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2025
USD ($)
Goodwill    
Balance at beginning, Goodwill   $ 746
Impairments, Goodwill $ (108) (108)
Balance at beginning, Goodwill 638 638
Total    
Balance at beginning   1,337
Impairments (525) (525)
Balance at ending 812 812
Accumulated goodwill impairment losses 108 108
Cable Certificates    
Cable Certificates and Other    
Balance at beginning, Cable Certificates and Other   550
Impairments, Cable Certificates and Other (401) $ (401)
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]   Impairments
Balance at ending, Cable Certificates and Other 149 $ 149
Other    
Cable Certificates and Other    
Balance at beginning, Cable Certificates and Other   41
Impairments, Cable Certificates and Other (16) $ (16)
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]   Impairments
Balance at ending, Cable Certificates and Other $ 25 $ 25