XML 32 R51.htm IDEA: XBRL DOCUMENT v3.20.1
Goodwill (Details)
3 Months Ended
Mar. 31, 2020
USD ($)
reporting_unit
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Business Acquisition [Line Items]      
Number of reporting units | reporting_unit 2    
Goodwill $ 3,843,000,000   $ 3,843,000,000
Impairment losses for goodwill 0 $ 0  
Accumulated impairment of goodwill since the merger 4,766,000,000    
Sirius XM      
Business Acquisition [Line Items]      
Goodwill 2,290,000,000   2,290,000,000
Pandora      
Business Acquisition [Line Items]      
Goodwill $ 1,553,000,000   $ 1,553,000,000