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 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Jan. 31, 2023
Mar. 06, 2018
Jan. 23, 2017
Assets and Liabilities Measured at Fair Value              
Realized and unrealized gains (losses) on financial instruments, net $ 11 $ 106 $ (131) $ 545      
Formula One Group              
Assets and Liabilities Measured at Fair Value              
Realized and unrealized gains (losses) on financial instruments, net 66 24 83 100      
Liberty SiriusXM Group              
Assets and Liabilities Measured at Fair Value              
Realized and unrealized gains (losses) on financial instruments, net $ 17 76 $ (145) 433      
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%   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%     2.125%  
Debt and equity securities              
Assets and Liabilities Measured at Fair Value              
Realized and unrealized gains (losses) on financial instruments, net $ (9) 2 $ 7 (10)      
Debt measured at fair value              
Assets and Liabilities Measured at Fair Value              
Realized and unrealized gains (losses) on financial instruments, net 8 45 (97) 691      
Gain (loss) on changes in fair value 41 (41) 11 0      
Cumulative amount of gain in changes in fair value 60   60        
Recognition of previously unrealized gains (losses) on debt (28)   15        
Change in fair value of bond hedges              
Assets and Liabilities Measured at Fair Value              
Realized and unrealized gains (losses) on financial instruments, net (15) 21 (114) (248)      
Other              
Assets and Liabilities Measured at Fair Value              
Realized and unrealized gains (losses) on financial instruments, net $ 27 $ 38 $ 73 $ 112