Benefit Plans - Long-Term Stock Incentive Plan (Narrative) (Details) shares in Millions |
12 Months Ended | |
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Dec. 31, 2024
shares
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Sep. 09, 2024 |
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| Liberty Sirius XM | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Redemption ratio | 0.8375 | |
| 2024 Long-Term Stock Incentive Plan | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Restricted stock conversion to common stock | 1 | |
| Common stock available for future grants (in shares) | 35 | |
| 2024 Long-Term Stock Incentive Plan | Employees and Non Employee Stock Option | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock option expiration period | 10 years | |
| Sirius XM Holdings Inc. Transitional Stock Adjustment Plan | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Common stock available for future grants (in shares) | 3 |
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- Definition Restricted stock conversion to common stock. No definition available.
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- Definition Stock Split Off Ratio No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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