Annual report pursuant to Section 13 and 15(d)

Goodwill (Details)

v3.19.3.a.u2
Goodwill (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
reporting_unit
Dec. 31, 2018
USD ($)
Feb. 01, 2019
USD ($)
Dec. 31, 2017
USD ($)
Business Acquisition [Line Items]        
Number of reporting units | reporting_unit 2      
Goodwill $ 3,843,000,000 $ 2,290,000,000   $ 2,287,000,000
Impairment losses for goodwill 0 0    
Accumulated impairment of goodwill since the merger 4,766,000,000      
Acquisition 1,553,000,000 3,000,000    
Sirius XM        
Business Acquisition [Line Items]        
Goodwill 2,290,000,000 2,290,000,000   $ 2,287,000,000
Acquisition 0 $ 3,000,000    
Pandora        
Business Acquisition [Line Items]        
Goodwill 1,553,000,000   $ 1,553,000,000  
Acquisition $ 1,553,000,000