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INCOME TAX EXPENSE - Schedule of Components of Income Tax Expense (Recovery) (Details) - USD ($) $ in Millions | 12 Months Ended
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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

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