Programming and Other Inventory (Programming Inventory) (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Inventory [Line Items]
Acquired television program rights, including prepaid sports rights	$ 3,110
Internally produced television programming:
Released	2,702
In process and other	1,464
Individual Monetization:
Acquired television library	99
Film inventory and Internally produced television programming:
Completed, not yet released	73
Home entertainment and Publishing, primarily finished goods	103	$ 105
Total programming and other inventory	11,414	11,528
Less current portion	1,431	2,876
Total noncurrent programming and other inventory	9,983	$ 8,652
Film Inventory [Member]
Film inventory and Internally produced television programming:
Released	487
In process and other	1,070
Internally Produced Television Programming [Member]
Film inventory and Internally produced television programming:
Released	1,273
In process and other	$ 1,033