Annual report pursuant to Section 13 and 15(d)

Acquisitions and Restructurings - Stitcher (Details)

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Acquisitions and Restructurings - Stitcher (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 16, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]        
Goodwill   $ 19,218 $ 19,939 $ 18,386
Intangible assets subject to amortization, net   5,378 $ 5,940  
Sirius XM Holdings | Stitcher        
Business Acquisition [Line Items]        
Payments to acquire businesses, gross $ 272      
Contingent consideration, liability 30      
Consideration for acquisition 296      
Amount of working capital adjustments 6      
Goodwill 218      
Amortizable intangible assets acquired 38      
Acquisition and other related costs   $ 4    
Sirius XM Holdings | Stitcher | Maximum        
Business Acquisition [Line Items]        
Contingent consideration, liability $ 60