Quarterly report pursuant to Section 13 or 15(d)

Recent Accounting Pronouncements - Revenue recognition - Disaggregation of revenue - SIRIUS XM (Details)

v3.10.0.1
Recent Accounting Pronouncements - Revenue recognition - Disaggregation of revenue - SIRIUS XM (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2018
Subscriber    
Revenue disaggregated by source    
Revenue $ 1,163 $ 3,419
SIRIUS XM | Liberty Sirius XM Group    
Revenue disaggregated by source    
Revenue 1,468 $ 4,275
Activation fees, recognition period   1 month
SIRIUS XM | Subscriber | Liberty Sirius XM Group    
Revenue disaggregated by source    
Revenue 1,163 $ 3,419
SIRIUS XM | Advertising and sponsorship | Liberty Sirius XM Group    
Revenue disaggregated by source    
Revenue 46 135
SIRIUS XM | Equipment | Liberty Sirius XM Group    
Revenue disaggregated by source    
Revenue 41 113
SIRIUS XM | Music Royalty and Other | Liberty Sirius XM Group    
Revenue disaggregated by source    
Revenue $ 218 $ 608
Minimum | SIRIUS XM | Liberty Sirius XM Group    
Revenue disaggregated by source    
Subscription period   3 months
Maximum | SIRIUS XM | Liberty Sirius XM Group    
Revenue disaggregated by source    
Subscription period   12 months