Acquisitions - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | ||||
|---|---|---|---|---|---|
Oct. 16, 2020 |
Jun. 16, 2020 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
|
| Business Acquisition [Line Items] | |||||
| Goodwill | $ 3,128 | $ 3,122 | |||
| Acquisition related costs | $ 0 | $ 0 | |||
| Stitcher | |||||
| Business Acquisition [Line Items] | |||||
| Payments to acquire businesses, gross | $ 266 | ||||
| Contingent consideration, liability | 36 | ||||
| Consideration for acquisition | 302 | ||||
| Goodwill | 224 | ||||
| Amortizable intangible assets acquired | 38 | ||||
| Stitcher | Maximum | |||||
| Business Acquisition [Line Items] | |||||
| Contingent consideration, liability | $ 60 | ||||
| Simplecast | |||||
| Business Acquisition [Line Items] | |||||
| Payments to acquire businesses, gross | $ 28 | ||||
| Goodwill | 17 | ||||
| Amortizable intangible assets acquired | 12 | ||||
| Deferred tax liabilities acquired | 1 | ||||
| Simplecast | Maximum | |||||
| Business Acquisition [Line Items] | |||||
| Other assets acquired | $ 1 | ||||
| X | ||||||||||
- Definition Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets, Other No definition available.
|
| 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 This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|