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.

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-Name Accounting Standards Codification

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-Glossary Diluted Earnings Per Share

-URI http://asc.fasb.org/extlink&oid=6510752

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6508534

+ Details

- 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.

+ References+ Details

- 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.

+ References+ Details

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details

Earnings (Loss) Per Common Share (Earrings Per Share Basic and Diluted) (Details) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		2 Months Ended	1 Months Ended	3 Months Ended	7 Months Ended	9 Months Ended	2 Months Ended
	Sep. 30, 2012	Sep. 30, 2011 Segment, Liberty Capital [Member]	Sep. 30, 2011 Segment, Liberty Capital [Member]	Sep. 30, 2011 Segment, Liberty Starz [Member]	Sep. 30, 2012 Segment, Liberty Interactive [Member]	Aug. 08, 2012 Segment, Liberty Interactive [Member]	Sep. 30, 2011 Segment, Liberty Interactive [Member]	Aug. 08, 2012 Segment, Liberty Interactive [Member]	Sep. 30, 2011 Segment, Liberty Interactive [Member]	Sep. 30, 2012 Liberty Interactive [Member]	Sep. 30, 2012 Liberty Ventures [Member]
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic, Weighted average number of shares outstanding		81	81	51		542	597	559	598	542	29
Stock options						10	7	9	7
Diluted, Weighted average number of shares outstanding		81	83	53		552	604	568	605	552	30
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount					6
Stockholders' Equity Note, Stock Split, Conversion Ratio	0.05