Goodwill and Other Intangible Assets - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) market reportingUnit	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Impairment Testing Assumptions [Line Items]
Number of reporting units | reportingUnit	5
Number of television markets with FCC license book values | market	14
Impairment charges | $	$ 83	$ 27	$ 0
FCC licenses
Impairment Testing Assumptions [Line Items]
Carrying value of intangible assets | $	$ 2,306	$ 2,389
Number of qualitative assessments performed | market	6
Number of quantitative assessments performed | market	8
FCC licenses | Five Markets | TV Media
Impairment Testing Assumptions [Line Items]
Carrying value of intangible assets | $	$ 887
Number of markets where carrying value of intangible asset exceeds fair value | market	5
Impairment charges | $	$ 83
FCC licenses | Three Markets
Impairment Testing Assumptions [Line Items]
Carrying value of intangible assets | $	$ 357
Quantitative test, number of markets with no impairment | market	3
Maximum percent difference between carrying value and fair value	10.00%
FCC licenses | Discount Rate
Impairment Testing Assumptions [Line Items]
Assumption rates for intangible asset impairment testing	0.09
FCC licenses | Long-Term Growth Rate
Impairment Testing Assumptions [Line Items]
Assumption rates for intangible asset impairment testing	0.01