Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Sep. 30, 2022 |
Mar. 06, 2018 |
Jan. 23, 2017 |
Oct. 17, 2013 |
|
| Assets and Liabilities Measured at Fair Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Realized and unrealized gains (losses) on financial instruments, net | $ (96) | $ 380 | $ (142) | $ 439 | Ìý | Ìý | Ìý | Ìý |
| Formula One Group | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Assets and Liabilities Measured at Fair Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Realized and unrealized gains (losses) on financial instruments, net | 64 | 83 | 17 | 76 | Ìý | Ìý | Ìý | Ìý |
| Liberty SiriusXM Group | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Assets and Liabilities Measured at Fair Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Realized and unrealized gains (losses) on financial instruments, net | $ (164) | 296 | $ (162) | 357 | Ìý | Ìý | Ìý | Ìý |
| 1.375% Cash Convertible Senior Notes due 2023 | Liberty SiriusXM Group | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Assets and Liabilities Measured at Fair Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Debt instrument interest rate (as a percent) | 1.375% | Ìý | 1.375% | Ìý | Ìý | Ìý | Ìý | 1.375% |
| 1% Cash Convertible Notes Due 2023 | Formula One Group | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Assets and Liabilities Measured at Fair Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Debt instrument interest rate (as a percent) | 1.00% | Ìý | 1.00% | Ìý | 1.00% | Ìý | 1.00% | Ìý |