Long-Term Debt - Fair Value of Debt (Details) - USD ($)
$ in Millions |
Mar. 31, 2022 |
Dec. 31, 2021 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
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| Long-term debt, measured at fair value |
$ 2,306
|
$ 2,372
|
| Liberty SiriusXM Group | Sirius XM 3.125% Senior Notes due 2026 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
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| Debt instrument interest rate (as a percent) |
3.125%
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| Long-term debt, measured at fair value |
$ 945
|
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| Liberty SiriusXM Group | Sirius XM 5.0% Senior Notes due 2027 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
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| Debt instrument interest rate (as a percent) |
5.00%
|
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| Long-term debt, measured at fair value |
$ 1,500
|
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| Liberty SiriusXM Group | Sirius XM 4.0% Senior Notes Due 2028 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
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| Debt instrument interest rate (as a percent) |
4.00%
|
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| Long-term debt, measured at fair value |
$ 1,895
|
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| Liberty SiriusXM Group | Sirius Xm 5.50% Senior Notes Due 2029 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
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| Debt instrument interest rate (as a percent) |
5.50%
|
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| Long-term debt, measured at fair value |
$ 1,270
|
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| Liberty SiriusXM Group | Sirius XM 4.125% Senior Notes Due 2030 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
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| Debt instrument interest rate (as a percent) |
4.125%
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