Quarterly report pursuant to Section 13 or 15(d)

Tracking Stocks (Details)

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Tracking Stocks (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Apr. 24, 2024
$ / shares
Aug. 03, 2023
item
shares
Jul. 18, 2023
Sep. 30, 2024
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Sep. 30, 2023
Mar. 10, 2023
Aug. 12, 2022
Nov. 30, 2020
Nov. 26, 2019
Tracking Stocks                        
Number of tracking stock groups | item   3                    
Cash and cash equivalents         $ 1,666   $ 2,019          
Split-off ratio     1                  
Liberty SiriusXM Group                        
Tracking Stocks                        
Cash and cash equivalents         135              
Intergroup (payments) receipts           $ 202            
Liberty SiriusXM Group | New Liberty SiriusXM Common Stock                        
Tracking Stocks                        
Number of shares issued upon reclassification of each then-outstanding common stock share. | shares   1                    
Liberty SiriusXM Group | Liberty Live Common Stock                        
Tracking Stocks                        
Number of shares issued upon reclassification of each then-outstanding common stock share. | shares   0.2500                    
Formula One Group                        
Tracking Stocks                        
Cash and cash equivalents         1,233              
Intergroup (payments) receipts           $ (202)            
Formula One Group | Liberty Live Common Stock                        
Tracking Stocks                        
Number of shares issued upon reclassification of each then-outstanding common stock share. | shares   0.0428                    
Formula One Group | New Liberty Formula One Common Stock                        
Tracking Stocks                        
Number of shares issued upon reclassification of each then-outstanding common stock share. | shares   1                    
Liberty Live Group                        
Tracking Stocks                        
Cash and cash equivalents         $ 298              
2.75% Exchangeable Senior Debentures Due 2049 | Liberty SiriusXM Group                        
Tracking Stocks                        
Debt instrument interest rate (as a percent)         2.75%             2.75%
3.75% Convertible Senior Notes due 2028 | Liberty SiriusXM Group                        
Tracking Stocks                        
Debt instrument interest rate (as a percent)         3.75%       3.75%      
2.25% Convertible Senior Notes due 2027 | Formula One Group                        
Tracking Stocks                        
Debt instrument interest rate (as a percent)         2.25%         2.25%    
0.5% Exchangeable Senior Debentures due 2050 | Liberty SiriusXM Group                        
Tracking Stocks                        
Debt instrument interest rate (as a percent)                     0.50%  
0.5% Exchangeable Senior Debentures due 2050 | Liberty Live Group                        
Tracking Stocks                        
Debt instrument interest rate (as a percent)         0.50%              
2.375% Exchangeable Senior Debentures due 2053 | Liberty Live Group                        
Tracking Stocks                        
Debt instrument interest rate (as a percent)         2.375%     2.375%        
Sirius XM Holdings                        
Tracking Stocks                        
Dividend paid to parent company         $ 85              
Payments of dividends         102              
Estimated Shares to be issued Upon Exchange       8.4                
Sirius XM Holdings | Subsequent Event                        
Tracking Stocks                        
Common stock, dividends declared | $ / shares $ 0.0266                      
Sirius XM Holdings | Liberty SiriusXM Group                        
Tracking Stocks                        
Cash and cash equivalents         71              
Formula 1 and Other Subsidiaries | Formula One Group                        
Tracking Stocks                        
Cash and cash equivalents         $ 1,076