Intangible Assets - Intangible Assets Not Subject to Amortization (Details) $ in Millions |
3 Months Ended |
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Mar. 31, 2019
USD ($)
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| SIRIUS XM Holdings | Pandora | Trade Names | |
| Intangible Assets | |
| Intangibles not subject to amortization | $ 331 |
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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. No definition available.
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- Definition Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition. No definition available.
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