Goodwill (Details) |
3 Months Ended | |||
|---|---|---|---|---|
|
Mar. 31, 2019
USD ($)
reporting_unit
|
Mar. 31, 2018
USD ($)
|
Feb. 01, 2019
USD ($)
|
Dec. 31, 2018
USD ($)
|
|
| Business Acquisition [Line Items] | ||||
| Number of reporting units | reporting_unit | 2 | |||
| Impairment losses for goodwill | $ 0 | $ 0 | ||
| Accumulated impairment of goodwill since the merger | 4,766,000,000 | |||
| Goodwill | $ 3,831,000,000 | $ 2,290,000,000 | ||
| Pandora | ||||
| Business Acquisition [Line Items] | ||||
| Goodwill | $ 1,541,000,000 | |||
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Details
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