Stock-Based Compensation Shares reserved for issuance for stock options (Details) In Millions |
Sep. 30, 2011 |
|---|---|
Common Class B [Member] | Segment, Liberty Starz [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Common Stock, Capital Shares Reserved for Future Issuance | 0.1 |
Common Class B [Member] | Segment, Liberty Capital [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Common Stock, Capital Shares Reserved for Future Issuance | 0 |
Common Class A [Member] | Segment, Liberty Starz [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Common Stock, Capital Shares Reserved for Future Issuance | 3.5 |
Common Class A [Member] | Segment, Liberty Capital [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Common Stock, Capital Shares Reserved for Future Issuance | 4.4 |
| X | ||||||||||
- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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