Annual report pursuant to Section 13 and 15(d)

Acquisitions and Restructurings - Automatic Labs (Details)

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Acquisitions and Restructurings - Automatic Labs (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Sirius XM Holdings | Automatic Labs Inc. | Disposal Group, Not Discontinued Operations  
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Restructuring expenses $ 24