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Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Definite life intangible assets: |  |
Accumulated Amortization | $ (1,630) | $ (1,599)
Total definite life intangible assets, net | 306 |
Gross Carrying Value |  |
Total intangible assets | 11,788 | 11,788
Net Carrying Value |  |
Total intangible assets | 10,158 | 10,189
FCC licenses | Sirius XM |  |
Indefinite life intangible assets: |  |
Gross Carrying Value | 8,610 | 8,610
Trademarks | Sirius XM |  |
Indefinite life intangible assets: |  |
Gross Carrying Value | 930 | 930
Trademarks | Pandora and Off-platform |  |
Indefinite life intangible assets: |  |
Gross Carrying Value | $ 312 | 312
OEM relationships | Sirius XM |  |
Definite life intangible assets: |  |
Weighted Average Useful Lives | 15 years |
Gross Carrying Value | $ 220 | 220
Accumulated Amortization | (167) | (164)
Total definite life intangible assets, net | $ 53 | 56
Licensing agreements | Sirius XM |  |
Definite life intangible assets: |  |
Weighted Average Useful Lives | 15 years |
Gross Carrying Value | $ 285 | 285
Accumulated Amortization | (249) | (245)
Total definite life intangible assets, net | $ 36 | 40
Software and technology | Sirius XM |  |
Definite life intangible assets: |  |
Weighted Average Useful Lives | 7 years |
Gross Carrying Value | $ 28 | 28
Accumulated Amortization | (23) | (23)
Total definite life intangible assets, net | $ 5 | 5
Software and technology | Pandora and Off-platform |  |
Definite life intangible assets: |  |
Weighted Average Useful Lives | 5 years |
Gross Carrying Value | $ 391 | 391
Accumulated Amortization | (381) | (380)
Total definite life intangible assets, net | $ 10 | 11
Customer relationships | Sirius XM |  |
Definite life intangible assets: |  |
Weighted Average Useful Lives | 15 years |
Gross Carrying Value | $ 570 | 570
Accumulated Amortization | (466) | (456)
Total definite life intangible assets, net | $ 104 | 114
Customer relationships | Pandora and Off-platform |  |
Definite life intangible assets: |  |
Weighted Average Useful Lives | 8 years |
Gross Carrying Value | $ 442 | 442
Accumulated Amortization | (344) | (331)
Total definite life intangible assets, net | $ 98 | $ 111

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