Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details)

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Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Sep. 30, 2022
Mar. 06, 2018
Jan. 23, 2017
Oct. 17, 2013
Assets and Liabilities Measured at Fair Value            
Realized and unrealized gains (losses) on financial instruments, net $ (46) $ 59        
Formula One Group            
Assets and Liabilities Measured at Fair Value            
Realized and unrealized gains (losses) on financial instruments, net (47) (7)        
Liberty SiriusXM Group            
Assets and Liabilities Measured at Fair Value            
Realized and unrealized gains (losses) on financial instruments, net $ 2 61        
1.375% Cash Convertible Senior Notes due 2023 | Liberty SiriusXM Group            
Assets and Liabilities Measured at Fair Value            
Debt instrument interest rate (as a percent) 1.375%         1.375%
1% Cash Convertible Notes Due 2023 | Formula One Group            
Assets and Liabilities Measured at Fair Value            
Debt instrument interest rate (as a percent) 1.00%   1.00%   1.00%  
2.125% Exchangeable Senior Debentures Due 2048 | Liberty SiriusXM Group            
Assets and Liabilities Measured at Fair Value            
Debt instrument interest rate (as a percent) 2.125%     2.125%    
Debt and equity securities            
Assets and Liabilities Measured at Fair Value            
Realized and unrealized gains (losses) on financial instruments, net $ 6 (5)        
Debt measured at fair value            
Assets and Liabilities Measured at Fair Value            
Realized and unrealized gains (losses) on financial instruments, net 55 69        
Gain (loss) on changes in fair value (7) (11)        
Cumulative amount of gain in changes in fair value 32          
Recognition of previously unrealized (gains) losses on debt 25          
Change in fair value of bond hedges            
Assets and Liabilities Measured at Fair Value            
Realized and unrealized gains (losses) on financial instruments, net (110) (68)        
Other            
Assets and Liabilities Measured at Fair Value            
Realized and unrealized gains (losses) on financial instruments, net $ 3 $ 63