Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Nov. 04, 2016 |
Jul. 22, 2016 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Finite-Lived Intangible Assets [Line Items] | |||||
| Weighted average useful life at time of acquisition | 9 years | ||||
| Amortization of Intangible Assets | $ 703 | $ 550 | $ 504 | ||
| Goodwill, Impaired, Accumulated Impairment Loss | 87 | ||||
| Goodwill, Purchase Accounting Adjustments | 57 | ||||
| Liberty Expedia Holdings | |||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Decrease to goodwill due to spin-off | $ 57 | ||||
| CommerceHub | |||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Decrease to goodwill due to spin-off | $ 21 | ||||
| zulily | |||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Goodwill, Purchase Accounting Adjustments | $ 57 | ||||