Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Revenue recognition - Deferred revenue (Details)

v3.20.4
Summary of Significant Accounting Policies - Revenue recognition - Deferred revenue (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Deferred revenue    
Deferred revenue $ 2,070 $ 2,113
Formula One Group    
Deferred revenue    
Deferred revenue 259 113
Liberty SiriusXM Group    
Deferred revenue    
Deferred revenue 1,721 1,930
Braves Group    
Deferred revenue    
Deferred revenue $ 90 $ 70
Sirius XM Holdings | ASC 606    
Optional exemption    
Optional exemption utilized true  
Sirius XM Holdings | ASC 606 | Minimum    
Optional exemption    
Prepaid data trials, contract period   3 years
Sirius XM Holdings | ASC 606 | Maximum    
Optional exemption    
Percent of total deferred revenue balance related to contracts that extend beyond one year   10.00%
Prepaid data trials, contract period   5 years
Self-pay customers, audio subscriptions prepayment period   3 years
Formula One and Braves Holdings    
Deferred revenue    
Deferred revenue $ 349 $ 184