Supplemental Financial Information - Restructuring and Other Corporate Matters (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Severance	$ 77	$ 46	$ 105	$ 46
Exit costs	8	0	8	35
Restructuring charges	85	46	113	81
Other corporate matters	84	0	163	0
Restructuring and other corporate matters	169	46	276	81
Restructuring reserve	173		173		$ 190
Payments for restructuring			94
Legal Matters, Stockholder Matters Litigation
Restructuring Cost and Reserve [Line Items]
Other corporate matters	77		117
Russia, Belarus and Ukraine Counterparties
Restructuring Cost and Reserve [Line Items]
Other corporate matters	7		46
TV Media
Restructuring Cost and Reserve [Line Items]
Severance	77	5	86	5
Direct-to-Consumer
Restructuring Cost and Reserve [Line Items]
Severance	0	0	1	0
Filmed Entertainment
Restructuring Cost and Reserve [Line Items]
Severance	0	26	18	26
Corporate
Restructuring Cost and Reserve [Line Items]
Severance	$ 0	$ 15	$ 0	$ 15