Basis of Presentation (Details) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2021
USD ($)
|
Sep. 30, 2020
USD ($)
|
Sep. 30, 2021
USD ($)
item
|
Sep. 30, 2020
USD ($)
|
|
| Basis of Presentation | ||||
| Number Of Expected Formula One Events | item | 22 | |||
| Qurate Retail, Liberty TripAdvisor, Liberty Broadband, LMAC and GCI Liberty | ||||
| Basis of Presentation | ||||
| Related Party Transaction, Amounts of Transaction | $ | $ 7 | $ 6 | $ 20 | $ 22 |
| 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. No definition available.
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| X | ||||||||||
- Definition The number of expected formula one events. No definition available.
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| X | ||||||||||
- 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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| X | ||||||||||
- Details
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