Annual report pursuant to Section 13 and 15(d)

Acquisition and Restructurings - Simplecast (Details)

v3.20.4
Acquisition and Restructurings - Simplecast (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 16, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]        
Goodwill   $ 19,218 $ 19,939 $ 18,386
Sirius XM Holdings | Simplecast        
Business Acquisition [Line Items]        
Payments to acquire businesses, gross $ 28      
Goodwill 17      
Amortizable intangible assets acquired 12      
Deferred tax liabilities 1      
Sirius XM Holdings | Simplecast | Maximum        
Business Acquisition [Line Items]        
Acquisition and other related costs   $ 1    
Other assets $ 1