Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.21.2
Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Income Tax Contingency [Line Items]            
Income tax expense $ 90 $ 72 $ 157 $ 226    
Effective income tax rate percent 20.80% 20.90% 13.60% 21.90%    
Audit settlement $ 95   $ 95      
Valuation allowance $ 76   $ 76     $ 54
Common Stock | Liberty Media            
Income Tax Contingency [Line Items]            
Related party ownership percentage 79.00%   79.00%      
Forecast            
Income Tax Contingency [Line Items]            
Effective income tax rate percent         16.00%  
Forecast | Liberty Media | Common Stock            
Income Tax Contingency [Line Items]            
Related party ownership percentage         80.00%