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, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Oct. 17, 2013 |
|
| Assets and Liabilities Measured at Fair Value | 听 | 听 | 听 | 听 | 听 |
| Realized and unrealized gains (losses) on financial instruments, net | $ 14 | $ (31) | $ (171) | $ 180 | 听 |
| Formula One Group | 听 | 听 | 听 | 听 | 听 |
| Assets and Liabilities Measured at Fair Value | 听 | 听 | 听 | 听 | 听 |
| Realized and unrealized gains (losses) on financial instruments, net | $ 26 | 19 | $ (171) | 110 | 听 |
| Formula One Group | 1.375% Cash Convertible Senior Notes Due 2023 | 听 | 听 | 听 | 听 | 听 |
| Assets and Liabilities Measured at Fair Value | 听 | 听 | 听 | 听 | 听 |
| Debt instrument interest rate (as a percent) | 1.375% | 听 | 1.375% | 听 | 1.375% |
| Debt and equity securities | 听 | 听 | 听 | 听 | 听 |
| Assets and Liabilities Measured at Fair Value | 听 | 听 | 听 | 听 | 听 |
| Realized and unrealized gains (losses) on financial instruments, net | $ 18 | (25) | $ 89 | 133 | 听 |
| Debt measured at fair value | 听 | 听 | |||