Revenues - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total Revenues	$ 7,133	$ 6,916	$ 22,014	$ 22,023
Advertising
Disaggregation of Revenue [Line Items]
Total Revenues	2,133	2,337	7,179	7,746
Affiliate and subscription
Disaggregation of Revenue [Line Items]
Total Revenues	3,262	2,863	9,676	8,591
Theatrical
Disaggregation of Revenue [Line Items]
Total Revenues	377	231	735	1,126
Licensing and other
Disaggregation of Revenue [Line Items]
Total Revenues	$ 1,361	$ 1,485	$ 4,424	$ 4,560