Acquisitions and Restructurings - Automatic Labs (Details) $ in Millions |
12 Months Ended |
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Dec. 31, 2020
USD ($)
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| Sirius XM Holdings | Automatic Labs Inc. | Disposal Group, Not Discontinued Operations | 听 |
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | 听 |
| Restructuring expenses | $ 24 |
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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 expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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