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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 | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Assets and Liabilities Measured at Fair Value |  |  |  |
Realized and unrealized gains (losses) on financial instruments, net | $ (129) | $ 87 | $ (64) | $ 66
Debt measured at fair value |  |  |  |
Assets and Liabilities Measured at Fair Value |  |  |  |
Realized and unrealized gains (losses) on financial instruments, net | (252) | 66 | (253) | (3)
Gain (loss) on changes in fair value | 13 | 30 | (8) | (8)
Cumulative amount of gain (loss) in changes in fair value | 43 |  | 43 |
Foreign currency forward contracts |  |  |  |
Assets and Liabilities Measured at Fair Value |  |  |  |
Realized and unrealized gains (losses) on financial instruments, net | 227 | 8 | 335 | 8
Live Nation Forward Contracts |  |  |  |
Assets and Liabilities Measured at Fair Value |  |  |  |
Realized and unrealized gains (losses) on financial instruments, net | (90) |  | (90) |
Interest rate swaps |  |  |  |
Assets and Liabilities Measured at Fair Value |  |  |  |
Realized and unrealized gains (losses) on financial instruments, net | (18) | $ 13 | (53) | 54
Other |  |  |  |
Assets and Liabilities Measured at Fair Value |  |  |  |
Realized and unrealized gains (losses) on financial instruments, net | $ 4 |  | $ (3) | $ 7

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