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Information About Liberty's Operating Segments (Performance Measures By Segment) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Total revenues | $ 3,179 | $ 2,196 | $ 2,365 | $ 2,314 | $ 3,079 | $ 2,133 | $ 2,245 | $ 2,159 | $ 10,054 | $ 9,616 | $ 8,932 |
| Adjusted OIBDA | 1,900 | 1,823 | 1,746 | ||||||||
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Interactive Group [Member]
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|||||||||||
| Total revenues | 10,018 | 9,616 | 8,932 | ||||||||
| Adjusted OIBDA | 1,897 | 1,827 | 1,749 | ||||||||
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Interactive Group [Member] | QVC [Member]
|
|||||||||||
| Total revenues | 8,516 | 8,268 | 7,807 | ||||||||
| Adjusted OIBDA | 1,828 | 1,733 | 1,671 | ||||||||
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Interactive Group [Member] | Corporate And Other [Member]
|
|||||||||||
| Total revenues | 0 | 0 | 0 | ||||||||
| Adjusted OIBDA | (27) | (29) | (25) | ||||||||
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Interactive Group [Member] | E-commerce [Member]
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| Total revenues | 1,502 | 1,348 | 1,125 | ||||||||
| Adjusted OIBDA | 96 | 123 | 103 | ||||||||
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Ventures Group [Member]
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|||||||||||
| Total revenues | 36 | 0 | 0 | ||||||||
| Adjusted OIBDA | 3 | (4) | (3) | ||||||||
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Ventures Group [Member] | Corporate And Other [Member]
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|||||||||||
| Total revenues | 0 | 0 | 0 | ||||||||
| Adjusted OIBDA | (5) | (4) | (3) | ||||||||
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Ventures Group [Member] | TripAdvisor, Inc. [Member]
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|||||||||||
| Total revenues | 36 | 0 | 0 | ||||||||
| Adjusted OIBDA | $ 8 | $ 0 | $ 0 | ||||||||