Basis of Presentation (Details) shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
|
Dec. 29, 2017
shares
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Mar. 09, 2018
item
|
|
| Number of tracking stocks | item | 2 | |||||
| Additional Paid-In Capital | ||||||
| Reclassification | $ 3,785 | |||||
| Liberty Ventures common stock | Common Class A | ||||||
| Share exchange ratio | 1 | |||||
| Liberty Ventures common stock | Common Class B | ||||||
| Share exchange ratio | 1 | |||||
| HSNi | ||||||
| Business Acquisition, Percentage of Voting Interests Acquired | 62.00% | |||||
| HSNi | QVC Group | ||||||
| Business Acquisition Equity Interests Issued or Issuable Number Of Shares Issued Per Shares Acquired | 1.65 | |||||
| HSNi | QVC Group | Common Class A | ||||||
| Stock Issued During Period Shares Acquisitions] | shares | 53.6 | |||||
| LMC | ||||||
| Related Party Transaction, Amounts of Transaction | $ 2 | $ 3 | $ 4 | $ 5 | ||
| X | ||||||||||
- Definition Additional paid-in capital reclassified to retained earnings. No definition available.
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- Definition The number of shares of equity interests issued or issuable to acquired entity per shares acquired. No definition available.
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- Definition Represents the number of tracking stocks. No definition available.
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- Definition share exchange ratio No definition available.
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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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- Definition Number of shares of stock issued during the period pursuant to acquisitions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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