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INTANGIBLE ASSETS (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of detailed information about intangible assets [abstract]  
Summary of reconciliation of intangible assets
The following table provides a reconciliation of intangible assets:
(MILLIONS)Total
Balance, as at December 31, 2019$241 
Amortization(1)
(9)
Balance, as at December 31, 2020232 
Amortization(1)
(14)
Balance, as at December 31, 2021$218 
(1)Included in Other within the consolidated statements of income (loss).