Annual report pursuant to Section 13 and 15(d)

Goodwill - Narrative (Details)

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Goodwill - Narrative (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
reporting_unit
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Apr. 23, 2021
USD ($)
Oct. 16, 2020
USD ($)
Dec. 31, 2008
USD ($)
Business Acquisition [Line Items]            
Number of reporting units | reporting_unit 2          
Goodwill $ 3,151,000,000 $ 3,122,000,000 $ 3,843,000,000      
Goodwill, impairment loss 0 956,000,000 0      
Accumulated impairment of goodwill since the merger 5,722,000,000          
Stitcher            
Business Acquisition [Line Items]            
Goodwill         $ 224,000,000  
Goodwill, purchase accounting adjustments 6,000,000          
Series of Individually Immaterial Business Acquisitions            
Business Acquisition [Line Items]            
Goodwill       $ 23,000,000    
Sirius XM            
Business Acquisition [Line Items]            
Goodwill 2,290,000,000 2,290,000,000 2,290,000,000      
Goodwill, impairment loss   0        
Accumulated impairment of goodwill since the merger           $ 4,766,000,000
Pandora            
Business Acquisition [Line Items]            
Goodwill $ 861,000,000 832,000,000 $ 1,553,000,000      
Goodwill, impairment loss   $ 956,000,000