Basis of Presentation (Details) - USD ($) $ in Millions |
1 Months Ended | 12 Months Ended | ||
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Dec. 31, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Termination payments | $ 6 | |||
| Qurate Retail, Liberty TripAdvisor, Liberty Broadband and GCI Liberty (prior to termination) | ||||
| Basis of Presentation | ||||
| Related Party Transaction, Amounts of Transaction | $ 28 | $ 46 | $ 30 | |
| Sirius XM | ||||
| Basis of Presentation | ||||
| Ownership percentage | 76.00% | 76.00% | ||
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- 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. No definition available.
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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