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Basis Of Presentation Basis of Presentation (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Mar. 31, 2013
TripAdvisor, Inc. [Member]
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Dec. 31, 2012
TripAdvisor, Inc. [Member]
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Dec. 11, 2012
TripAdvisor, Inc. [Member]
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Jun. 30, 2014
Liberty Digital Commerce [Member]
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Jun. 30, 2014
QVC Group [Member]
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Sep. 30, 2013
Interactive Group [Member]
HSN, Inc. [Member]
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| Prior Period Reclassification Adjustment | $ 30 | |||||||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 0.05 | 1.00 | 10.00 | |||||||
| Equity Method Investment, Ownership Percentage | 38.00% | |||||||||
| Related Party Transaction, Amounts of Transaction | 4 | 4 | 12 | 9 | ||||||
| Purchase of shares in equity method investee | 4.8 | |||||||||
| ownership percentage acquired | 4.00% | |||||||||
| Business Acquisition, Cost of Acquired Entity, Cash Paid | $ 300 | |||||||||
| Ownership Interest In Investee | 22.00% | |||||||||
| Business Acquisition, Percentage of Voting Interests Acquired | 57.00% | |||||||||
| Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 78.00% | |||||||||
| X | ||||||||||
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- Definition
Ownership interest in investee No definition available.
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| X | ||||||||||
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- Definition
Ownership percentage acquired No definition available.
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| X | ||||||||||
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- Definition
Number of shares purchased in equity method investee No definition available.
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| X | ||||||||||
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- Definition
Amount of cash paid to acquire the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of voting equity interests acquired in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. No definition available.
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| X | ||||||||||
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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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| X | ||||||||||
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- Definition
This item represents the conversion ratio used in the calculation of a stock split. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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