Basis of Presentation - Spin Off of TripCo from Liberty (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Tax Act transition tax adjustment | $ 5 | |
| Liberty | ||
| Related Party Transaction, Amounts of Transaction | $ 1 | $ 1 |
| X | ||||||||||
- Definition Amount of income tax expense (benefit) for measurement period adjustment from accounting for tax effect pursuant to Tax Cuts and Jobs Act of 2017. No definition available.
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| X | ||||||||||
- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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