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Tracking Stocks (Details) $ in Millions | Aug. 03, 2023 item shares | Jun. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Sep. 09, 2024
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Tracking Stocks |  |  |  |
Number of tracking stock groups | item | 3 |  |  |
Cash and cash equivalents | $ |  | $ 3,448 | $ 2,956 |
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 | 0.25 |  |  |
Formula One Group |  |  |  |
Tracking Stocks |  |  |  |
Cash and cash equivalents | $ |  | 3,140 |  |
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 | $ |  | $ 308 |  |
2.75% Exchangeable Senior Debentures Due 2049 | Liberty SiriusXM Group |  |  |  |
Tracking Stocks |  |  |  |
Debt instrument interest rate (as a percent) |  |  |  | 2.75%
3.75% Convertible Senior Notes due 2028 | Liberty SiriusXM Group |  |  |  |
Tracking Stocks |  |  |  |
Debt instrument interest rate (as a percent) |  |  |  | 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% |
2.375% Exchangeable Senior Debentures due 2053 | Liberty Live Group |  |  |  |
Tracking Stocks |  |  |  |
Debt instrument interest rate (as a percent) |  | 2.375% | 2.375% |
Formula 1 and other subsidiaries | Formula One Group |  |  |  |
Tracking Stocks |  |  |  |
Cash and cash equivalents | $ |  | $ 1,845 |  |

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