Goodwill and Other Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Dec. 31, 2015 |
|
| Goodwill [Roll Forward] | ||
| Balance, beginning of the year | $ 6,112 | |
| Goodwill, Purchase Accounting Adjustments | 57 | |
| Sale of subsidiary | (21) | |
| Foreign currency translation adjustments | 35 | |
| Other | 1 | |
| Balance, end of the year | 6,184 | |
| Intangible Assets, Net (Excluding Goodwill) [Abstract] | ||
| Finite-Lived Intangible Assets, Net | 1,147 | $ 1,647 |
| QVC | ||
| Goodwill [Roll Forward] | ||
| Balance, beginning of the year | 5,149 | |
| Foreign currency translation adjustments | 35 | |
| Balance, end of the year | 5,184 | |
| zulily | ||
| Goodwill [Roll Forward] | ||
| Balance, beginning of the year | 860 | |
| Goodwill, Purchase Accounting Adjustments | 57 | |
| Balance, end of the year | 917 | |
| Corporate and Other | ||
| Goodwill [Roll Forward] | ||
| Balance, beginning of the year | 103 | |
| Sale of subsidiary | (21) | |
| Other | 1 | |
| Balance, end of the year | $ 83 |