Intangible Assets - Indefinite Life Intangible Assets (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Dec. 31, 2018 |
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| Acquired Indefinite-lived Intangible Assets [Line Items] | |||||
| Impairment of intangible assets, indefinite-lived (excluding goodwill) | $ 0 | $ 0 | $ 0 | $ 0 | |
| Trademarks | |||||
| Acquired Indefinite-lived Intangible Assets [Line Items] | |||||
| Indefinite-lived intangible asset, trademark | 251,000,000 | 251,000,000 | $ 251,000,000 | ||
| Trademarks | Pandora | |||||
| Acquired Indefinite-lived Intangible Assets [Line Items] | |||||
| Fair value of acquired trademarks | 331,000,000 | 331,000,000 | |||
| Indefinite-lived intangible asset, trademark | $ 331,000,000 | $ 331,000,000 | |||
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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 assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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