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INCOME TAX EXPENSE - Reconciliation to Canadian Statutory Rate (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of major components of tax expense (income) [Table]    
Tax expense (income) at applicable tax rate $ 1,228 $ 1,311
Increase (decrease) due to:    
Allowances and special tax deductions (138) (151)
Impact of foreign tax rates (84) (32)
Expenses not tax deductible 118 154
Tax effect of sales of long-lived assets 24 0
Net currency translation (gains) losses on current and deferred tax balances 23 (19)
Tax impact from pass-through entities and equity accounted investments (330) (309)
Current year tax gains not recognized (18) (9)
Tax Effect from De-recognition in Deferred Tax Assets (31) (61)
Adjustments in respect of prior years 24 (53)
Increase to income tax related contingent liabilities 19 42
Impact of tax rate changes 66 1
Withholding taxes 110 100
Mining taxes 323 383
Tax impact of amounts recognized within accumulated OCI 8 (21)
Other items 2 (4)
Income tax expense $ 1,344 $ 1,332