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INCOME TAX EXPENSE - Schedule of Components of Income Tax Expense (Recovery) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Tax on profit - current tax    
Current tax expense (income) $ 1,031 $ 1,122
Adjustments for current tax of prior periods (32) 59
Current tax 999 1,181
Tax on profit - deferred tax    
Deferred tax expense (income) relating to origination and reversal of temporary differences 289 263
Adjustments for deferred tax of prior periods 56 (112)
Deferred tax 345 151
Tax expense related to continuing operations - current tax    
Current domestic tax expense (income) and adjustments for current tax of prior periods (9) 14
Current foreign tax expense (income) and adjustments for current tax of prior periods 1,008 1,167
Current tax 999 1,181
Tax expense relating to continuing operations - deferred tax    
Deferred domestic tax expense (income) and adjustments for deferred tax of prior periods 38 (6)
Deferred foreign tax expense (income) and adjustments for deferred tax of prior periods 307 157
Deferred tax 345 151
Income tax expense $ 1,344 $ 1,332