Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Revenue recognition - Disaggregation of revenue - SIRIUS XM (Details)

v3.22.0.1
Summary of Significant Accounting Policies - Revenue recognition - Disaggregation of revenue - SIRIUS XM (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenue disaggregated by source      
Revenue $ 11,400 $ 9,363 $ 10,292
Other.      
Revenue disaggregated by source      
Revenue 568 178 476
Sirius XM Holdings      
Revenue disaggregated by source      
Revenue $ 8,696 8,040 7,794
Activation fees, recognition period 1 month    
Sirius XM Holdings | Minimum      
Revenue disaggregated by source      
Subscription period 3 months    
Sirius XM Holdings | Maximum      
Revenue disaggregated by source      
Subscription period 12 months    
Sirius XM Holdings | Subscriber      
Revenue disaggregated by source      
Revenue $ 6,614 6,372 6,120
Sirius XM Holdings | Advertising      
Revenue disaggregated by source      
Revenue 1,730 1,340 1,336
Sirius XM Holdings | Equipment      
Revenue disaggregated by source      
Revenue 201 173 173
Sirius XM Holdings | Other.      
Revenue disaggregated by source      
Revenue $ 151 $ 155 $ 165