Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value - Schedule of Realized and Unrealized Gains (Losses) (Details)

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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 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net (note 3) $ (81) $ 148 $ (155) $ 362
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) (12) 138 3 287
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) $ (69) $ 10 $ (158) $ 75