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INCOME TAX EXPENSE - Schedule of Components of Income Tax Expense (Recovery) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Current tax        
Current tax $ 206 $ 237 $ 483 $ 502
Deferred tax        
Deferred tax expense (income) 73 106 97 215
Income tax expense $ 279 $ 343 $ 580 $ 717