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Earnings (Loss) Per Common Share (Earrings Per Share Basic and Diluted) (Details)
In Millions, unless otherwise specified |
3 Months Ended | |||
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Sep. 30, 2012
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Mar. 31, 2012
Segment, Liberty Interactive [Member]
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Mar. 31, 2013
Ventures Group [Member]
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Mar. 31, 2013
Interactive Group [Member]
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| Weighted Average Number of Shares Outstanding, Basic | 572 | 36 | 535 | |
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 7 | 1 | 2 | |
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 0.05 | |||
| Earnings Per Share, Potentially Dilutive Securities | 9 | 0 | 7 | |
| Weighted Average Number of Shares Outstanding, Diluted | 581 | 36 | 542 | |
| X | ||||||||||
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would have been antidilutive for the period presented. 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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| X | ||||||||||
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- Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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