Earnings (Loss) Per Common Share (Earrings Per Share Basic and Diluted) (Details) - shares shares in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| QVC Group Common Stock | ||||
| Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 13 | 4 | 13 | 4 |
| Basic EPS (WA shares outstanding) | 473 | 460 | 479 | 467 |
| Potentially dilutive shares | 5 | 6 | 6 | 7 |
| Diluted EPS (WA shares outstanding) | 478 | 466 | 485 | 474 |
| Liberty Ventures common stock | ||||
| Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] | ||||
| Basic EPS (WA shares outstanding) | 142 | 141 | 142 | 141 |
| Potentially dilutive shares | 2 | 2 | 2 | 2 |
| Diluted EPS (WA shares outstanding) | 144 | 143 | 144 | 143 |