Assets and Liabilities Measured at Fair Value - Schedule of Realized and Unrealized Gains (Losses) (Details) - USD ($) $ in Millions  | 
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023  | 
Jun. 30, 2022  | 
Jun. 30, 2023  | 
Jun. 30, 2022  | 
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Realized and unrealized gains (losses) on financial instruments, net (note 3) | $ 40 | $ 77 | $ (74) | $ 214 | 
| Indemnification Obligation | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Realized and unrealized gains (losses) on financial instruments, net (note 3) | 18 | 64 | 15 | 149 | 
| 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) | $ 22 | $ 13 | $ (89) | $ 65 | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef 
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- Details 
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- Details 
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