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Intangible Assets and Goodwill - Schedule of Definite-lived Intangible Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Gross $ 4,273 $ 4,240
Accumulated Amortization and Impairment (2,542) (2,393)
Net 1,731 1,847
Network Affiliation Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross 3,125 3,125
Accumulated Amortization and Impairment (1,725) (1,631)
Net 1,400 1,494
Other Definite-Lived Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross 1,148 1,115
Accumulated Amortization and Impairment (817) (762)
Net $ 331 $ 353