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Stock-Based Compensation (Narrative) (Details) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified |
3 Months Ended |
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Mar. 31, 2012
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| Weighted average grant-date fair value of options | $ 8.38 |
| Stock-based compensation, vesting period (in years) | 4 |
| Total unrecognized compensation cost related to unvested Liberty equity awards | $ 117 |
| Weighted average period of recognition related to unvested Liberty equity awards (in years) | 2.3 |
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Common Class A [Member]
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| Options granted | 2,717 |
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Starz Entertainment Employees [Member]
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| Options granted | 2,700 |
| X | ||||||||||
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- Definition
As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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