Intangible Assets and Goodwill - Goodwill and FCC Licenses (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill, Gross	$ 3,145	$ 3,145
Goodwill, Accumulated Impairment	(199)	(199)
Goodwill, Net	2,946	2,946
FCC Licenses [Abstract]
FCC Licenses, Gross	2,977	2,977
FCC Licenses, Accumulated Impairment	(48)	(48)
FCC Licenses, Net	$ 2,929	$ 2,929