Goodwill (Details) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2025
USD ($)
reportingUnit
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2020
USD ($)
|
|
| Goodwill [Line Items] | |||
| Number of reporting units | reportingUnit | 2 | ||
| Accumulated impairment of goodwill since the merger | $ 3,775 | ||
| Goodwill, impairment loss | $ 2,819 | ||
| Goodwill | 12,390 | $ 12,390 | |
| Sirius XM | |||
| Goodwill [Line Items] | |||
| Goodwill | 11,431 | ||
| Pandora and Off-platform | |||
| Goodwill [Line Items] | |||
| Accumulated impairment of goodwill since the merger | $ 956 | ||
| Goodwill | $ 959 |
| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/exampleRef
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- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. No definition available.
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