Annual report pursuant to Section 13 and 15(d)

Acquisitions - Narrative (Details)

v3.20.4
Acquisitions - Narrative (Details)
$ in Millions
3 Months Ended 12 Months Ended
Oct. 16, 2020
USD ($)
Jun. 16, 2020
USD ($)
Feb. 01, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Feb. 14, 2019
Dec. 31, 2018
USD ($)
Business Acquisition [Line Items]                
Goodwill       $ 3,843 $ 3,122 $ 3,843   $ 2,290
Finite-lived intangible assets         $ 776      
Software and technology                
Business Acquisition [Line Items]                
Weighted average useful lives (years)         7 years      
Pandora                
Business Acquisition [Line Items]                
Goodwill       1,553 $ 832 1,553   $ 0
Stitcher                
Business Acquisition [Line Items]                
Payments to acquire businesses, gross $ 272              
Contingent consideration, liability 30              
Consideration for acquisition 296              
Acquisition and restructuring costs         4      
Goodwill 218              
Amortizable intangible assets acquired 38 $ 38            
Working capital adjustments 6              
Stitcher | Maximum                
Business Acquisition [Line Items]                
Contingent consideration, liability $ 60              
Simplecast                
Business Acquisition [Line Items]                
Payments to acquire businesses, gross   28            
Acquisition and restructuring costs         1      
Goodwill   17            
Amortizable intangible assets acquired   12            
Deferred tax liabilities acquired   1            
Simplecast | Maximum                
Business Acquisition [Line Items]                
Other assets acquired   $ 1            
Pandora                
Business Acquisition [Line Items]                
Consideration for acquisition     $ 2,879          
Acquisition and restructuring costs           84    
Goodwill     1,553   1,553      
Amortizable intangible assets acquired     1,107          
Consideration of common stock and replacement equity awards for pre-combination service     $ 2,355          
Exchange ratio (in shares per share)     1.44          
Sirius XM’s Pandora preferred stock investment (related party fair value instrument) canceled     $ 524          
Acquisition of business, net of cash acquired     $ 313          
Gross operating loss carryforwards         1,287      
Revenue of acquire since acquisition date, actual           $ 1,607    
Net loss       $ 303        
Pandora | Trademarks                
Business Acquisition [Line Items]                
Fair value of acquired trademarks         $ 331      
Senior Notes | 1.75% Senior Notes Due 2020                
Business Acquisition [Line Items]                
Stated interest rate (as a percent)         1.75%      
Senior Notes | 1.75% Senior Notes Due 2020 | Pandora                
Business Acquisition [Line Items]                
Stated interest rate (as a percent)         1.75%   1.75%  
Senior Notes | 1.75% Senior Notes Due 2023                
Business Acquisition [Line Items]                
Stated interest rate (as a percent)         1.75%