Segment Information - Intercompany Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Intercompany Revenues	$ (29,652)	$ (30,154)	$ (28,586)
Intercompany Revenues
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Intercompany Revenues	126	188	162
Intercompany Revenues | TV Media
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Intercompany Revenues	63	66	87
Intercompany Revenues | Direct-to-Consumer
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Intercompany Revenues	1	0	2
Intercompany Revenues | Filmed Entertainment
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Intercompany Revenues	$ 62	$ 122	$ 73