Restructurings - Restructuring costs (Details) - Sirius XM Holdings $ in Millions |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2023
USD ($)
item
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Dec. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
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| Restructuring Cost and Reserve [Line Items] | Ìý | Ìý | Ìý |
| Number of roles reduced | item | 475 | Ìý | Ìý |
| Percentage of reduction in workforce | 8.00% | Ìý | Ìý |
| Impairment of Intangible Assets | $ 15 | Ìý | Ìý |
| Number of leased locations vacated | item | 2 | Ìý | Ìý |
| Operating lease impairment | $ 12 | $ 16 | $ 18 |
| Impairment charge | Ìý | 5 | Ìý |
| Severance Costs | 34 | 6 | Ìý |
| Accrued restructuring expense | $ 3 | Ìý | 6 |
| Write-off of leasehold improvements | Ìý | Ìý | $ 1 |
| Gain on sale of property | Ìý | 4 | Ìý |
| Software Projects | Ìý | Ìý | Ìý |
| Restructuring Cost and Reserve [Line Items] | Ìý | Ìý | Ìý |
| Impairment charge | Ìý | $ 43 | Ìý |
| X | ||||||||||
- Definition The number of leased locations vacated. No definition available.
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The adjustment to reduce the value of existing agreements that specify the lessee's rights to use the leased property. This expense is charged when the estimates of future profits generated by the leased property are reduced. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X |