Stock Options and Other Share-Based Awards Stock Options and Other Share-Based Awards (Stock Options Valuations Assumptions) (Details) - Liberty Incentive Plan - QRTEA - Stock options |
12 Months Ended | ||
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Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Black- Scholes option pricing model valuation assumptions | |||
| Expected volatility | 30.10% | 29.70% | 30.30% |
| Expected term (years) | 5 years 8 months | 5 years 2 months | 5 years 11 months |
| Risk free interest rate | 2.20% | 2.70% | 2.10% |
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- References No definition available.
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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