Acquisitions and Dispositions (Schedule of Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | |
---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
|
Business Acquisition [Line Items] | ||
Net income available to Discovery, Inc. | $ 107 | $ 171 |
Scripps Networks Interactive, Harpo, and VTEN | ||
Business Acquisition [Line Items] | ||
Revenues | $ 2,930 | $ 2,569 |
Net income per share - basic (in dollars per share) | $ 0.10 | $ 0.20 |
Net income per share - diluted (in dollars per share) | $ 0.10 | $ 0.20 |