Equity Method Investments and Operating Activities Segment [Line Items]

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.12)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 9
-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 11
-Article 7

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- Definition

Value of the investment at close of period. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 14
-Paragraph 2
-Article 12

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 14
-Paragraph 3
-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 14
-Paragraph Column E
-Article 12

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Investments In Affiliates Accounted For Using The Equity Method (Summary of Share Earnings (Losses) of Affiliates) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	May 18, 2015
Equity Method Investments and Operating Activities Segment [Line Items]
Share of earnings (losses) of affiliates, net		$ 87	$ (21)	$ 90
investment in affiliate	$ 2,561		2,561
Liberty Broadband
Equity Method Investments and Operating Activities Segment [Line Items]
investment in affiliate					$ 2,400
QVC Group Common Stock
Equity Method Investments and Operating Activities Segment [Line Items]
Share of earnings (losses) of affiliates, net	$ 9	9	$ 30	33
QVC Group Common Stock \| HSN, Inc.
Equity Method Investments and Operating Activities Segment [Line Items]
Percentage ownership	38.00%		38.00%
Share of earnings (losses) of affiliates, net	$ 10	12	$ 32	37
QVC Group Common Stock \| Other
Equity Method Investments and Operating Activities Segment [Line Items]
Share of earnings (losses) of affiliates, net	(1)	(3)	(2)	(4)
Liberty Ventures common stock
Equity Method Investments and Operating Activities Segment [Line Items]
Share of earnings (losses) of affiliates, net	(9)	78	(51)	57
investment in affiliate	$ 2,561		$ 2,561
Liberty Ventures common stock \| Expedia
Equity Method Investments and Operating Activities Segment [Line Items]
Percentage ownership	16.00%		16.00%
Share of earnings (losses) of affiliates, net	$ 2	76	$ (22)	80
Liberty Ventures common stock \| FTD
Equity Method Investments and Operating Activities Segment [Line Items]
Percentage ownership	37.00%		37.00%
Share of earnings (losses) of affiliates, net	$ 2	7	$ (1)	5
Liberty Ventures common stock \| Other
Equity Method Investments and Operating Activities Segment [Line Items]
Share of earnings (losses) of affiliates, net	$ (13)	$ (5)	$ (28)	$ (28)
Liberty Ventures common stock \| Liberty Broadband
Equity Method Investments and Operating Activities Segment [Line Items]
Percentage ownership	24.00%		24.00%