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Assets and Liabilities Measured at Fair Value - Schedule of Realized and Unrealized Gains (Losses) (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Realized and unrealized gains (losses) on financial instruments, net (note 3) | $ 76 | $ (114)
Exchangeable senior debentures |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Realized and unrealized gains (losses) on financial instruments, net (note 3) | $ 76 | (111)
Other. |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Realized and unrealized gains (losses) on financial instruments, net (note 3) |  | $ (3)

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