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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 115
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 115
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
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 -Number 115
 -Paragraph 17

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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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12/31/2010
USD ($)

USD ($) / shares
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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12/31/2010
USD ($)
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12/31/2009
USD ($)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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1/1/2009 - 12/31/2009
USD ($) / shares

USD ($)

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1/1/2008 - 12/31/2008
USD ($)

USD ($) / shares

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12/31/2010
USD ($)

USD ($) / shares
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 -Paragraph 12
 -Subparagraph b

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
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 -Number 115
 -Paragraph 17

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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 115
 -Paragraph 16

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1/1/2008 - 12/31/2008
USD ($)
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 -Number 115
 -Paragraph 16

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1/1/2010 - 12/31/2010
USD ($)
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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 95
 -Paragraph 15

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 95
 -Paragraph 16
 -Subparagraph b

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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 95
 -Paragraph 28

</ElementReferences><IsTotalLabel>false</IsTotalLabel><IsEPS>false</IsEPS><Label>Gain on sale of ownership interest</Label></Row></Rows><Footnotes><Footnote><NoteId>1</NoteId><Note>QVC sold its ownership interest in GSI Commerce for aggregate cash proceeds of $220 million.  QVC recognized a $105 million gain on the sale.</Note></Footnote></Footnotes><NumberOfCols>3</NumberOfCols><NumberOfRows>44</NumberOfRows><ReportName>Investments in Available-for-Sale Securities and Other Cost Investments (Investments in Available-for-Sale Securities and Other Cost Investments) (Details) (USD $)</ReportName><MonetaryRoundingLevel>Millions</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>false</HasCustomUnits><SharesShouldBeRounded>true</SharesShouldBeRounded></InstanceReport>
