Quarterly Financial Information (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Net revenue | $ 3,555 | $ 2,569 | $ 2,556 | $ 2,602 | $ 2,817 | $ 2,010 | $ 1,979 | $ 1,965 | $ 11,282 | $ 8,771 | $ 8,682 |
| Operating income | 461 | 305 | 390 | 356 | 458 | 274 | 306 | 271 | 1,512 | 1,309 | 1,203 |
| Net income | 291 | 181 | 244 | 212 | 495 | 166 | 151 | 135 | 928 | 947 | 642 |
| Net income attributable to QVC, Inc. stockholder | $ 278 | $ 170 | $ 233 | $ 201 | $ 482 | $ 154 | $ 141 | $ 124 | $ 882 | $ 901 | $ 604 |
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
|
| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|