Information About Liberty's Operating Segments - Performance obligations (Details) - USD ($)
$ in Millions |
Jun. 30, 2020 |
Dec. 31, 2019 |
| Information About Liberty's Operating Segments |
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| Deferred revenue |
$ 2,638
|
$ 2,113
|
| Liberty SiriusXM Group |
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| Information About Liberty's Operating Segments |
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| Deferred revenue |
1,833
|
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| Formula One and Braves Holdings |
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| Information About Liberty's Operating Segments |
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| Deferred revenue |
806
|
$ 184
|
| Formula One and Braves Holdings | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01 |
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| Remaining performance obligations |
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| Remaining performance obligation, revenue expected to be recognized |
$ 1,292
|
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| Expected timing of satisfaction period |
6 months
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| Formula One and Braves Holdings | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 |
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| Remaining performance obligations |
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| Remaining performance obligation, revenue expected to be recognized |
$ 1,884
|
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| Expected timing of satisfaction period |
12 months
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| Formula One and Braves Holdings | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 |
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| Remaining performance obligations |
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| Remaining performance obligation, revenue expected to be recognized |
$ 1,672
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| Expected timing of satisfaction period |
12 months
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