Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Fair Value of Debt (Details)

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Long-Term Debt - Fair Value of Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Long-term debt, measured at fair value $ 2,553 $ 1,937  
Liberty SiriusXM Group | Sirius XM 3.125% Senior Notes due 2026      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Debt instrument interest rate (as a percent) 3.125%    
Long-term debt, measured at fair value $ 884    
Liberty SiriusXM Group | Sirius XM 5.0% Senior Notes due 2027      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Debt instrument interest rate (as a percent) 5.00%    
Long-term debt, measured at fair value $ 1,365    
Liberty SiriusXM Group | Sirius XM 4.0% Senior Notes Due 2028      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Debt instrument interest rate (as a percent) 4.00%    
Long-term debt, measured at fair value $ 1,683    
Liberty SiriusXM Group | Sirius Xm 5.50% Senior Notes Due 2029      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Debt instrument interest rate (as a percent) 5.50%    
Long-term debt, measured at fair value $ 1,105    
Liberty SiriusXM Group | Sirius XM 4.125% Senior Notes Due 2030      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Debt instrument interest rate (as a percent) 4.125%    
Long-term debt, measured at fair value $ 1,192    
Liberty SiriusXM Group | Sirius XM 3.875% Senior Notes due 2031      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Debt instrument interest rate (as a percent) 3.875%    
Long-term debt, measured at fair value $ 1,133    
Liberty SiriusXM Group | Pandora 1.75% Convertible Senior Notes due 2023      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Debt instrument interest rate (as a percent) 1.75%   1.75%
Long-term debt, measured at fair value $ 117