Basis of Presentation (Details) |
1 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 29, 2017
shares
|
Jul. 22, 2016
shares
|
Oct. 31, 2016
USD ($)
|
Dec. 31, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
May 23, 2018 |
Mar. 09, 2018
item
|
Nov. 04, 2016
USD ($)
|
Nov. 02, 2016
USD ($)
|
Aug. 31, 2016
USD ($)
|
|
Severance Costs | Ìý | Ìý | Ìý | $ 41,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Related Party Transaction, Amounts of Transaction | Ìý | Ìý | Ìý | 8,000,000 | $ 11,000,000 | $ 10,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Number Of Tracking Stock | item | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 2 | Ìý | Ìý | Ìý |
Reimbursement from Liberty Expedia Holdings | Ìý | Ìý | $ 4,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
1.75% Exchangeable Senior Debentures due 2046 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Principal amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 1,000 |
GCI Liberty | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Related party Payable | Ìý | Ìý | Ìý | 103,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Related party payable, current | Ìý | Ìý | Ìý | $ 37,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
HSN, Inc. | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Business Acquisition, Percentage of Voting Interests Acquired | 62.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
HSN, Inc. | Common Class A | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Business Acquisition Equity Interests Issued or Issuable Number Of Shares Issued Per Shares Acquired | 1.65 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Stock Issued During Period Shares Acquisitions | shares | 53,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
QVC Group | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Share exchange ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1 | Ìý | Ìý | Ìý | Ìý |
Liberty Ventures common stock | Common Class A | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1 | Ìý | Ìý | Ìý |
Liberty Ventures common stock | Common Class B | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1 | Ìý | Ìý | Ìý |
Transfer to entity under common control | QVC | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Ownership interest in investee | Ìý | Ìý | Ìý | 100.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
CommerceHub | Spinoff | Common Class A | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Shares issued as dividend | shares | Ìý | 0.1 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
CommerceHub | Spinoff | Common Class B | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Shares issued as dividend | shares | Ìý | 0.1 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
CommerceHub | Spinoff | Common Class C | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Shares issued as dividend | shares | Ìý | 0.2 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Liberty Expedia Holdings | Discontinued Operations Split-Off | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Cash distributed to Liberty from Liberty Expedia Holdings | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 299,000,000 | Ìý | Ìý |
Liberty Expedia Holdings | Discontinued Operations Split-Off | Expedia Holdings Margin Loan | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Principal amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 350,000,000 | Ìý |
Liberty Expedia Holdings | Discontinued Operations Split-Off | Common Class A | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.4 | Ìý | Ìý |
Liberty Expedia Holdings | Discontinued Operations Split-Off | Common Class B | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.4 | Ìý | Ìý |
Liberty Expedia Holdings | Discontinued Operations Split-Off | Liberty Ventures common stock | Common Class A | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.4 | Ìý | Ìý |
Liberty Expedia Holdings | Discontinued Operations Split-Off | Liberty Ventures common stock | Common Class B | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.4 | Ìý | Ìý |