Basis of Presentation (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Qurate Retail, TripCo, Liberty Broadband, Expedia Holdings and GCI Liberty | ||||
| Entity Information [Line Items] | ||||
| Related Party Transaction, Amounts of Transaction | $ 8 | $ 6 | $ 21 | $ 17 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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