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FINANCIAL RISK MANAGEMENT - Sensitivity Analysis For Foreign Currency Risk (Details) - Foreign currency risk - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
GBP |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Impact of 10% decrease on net income (loss) | $ (6) | $ (5) | $ 10
Impact of 10% increase on net income (loss) | 6 | 5 | (10)
Impact of 10% decrease on parent equity | (130) | (150) | 131
Impact of 10% increase on parent equity | 130 | 150 | (131)
BRL |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Impact of 10% decrease on net income (loss) | (15) | (12) | 13
Impact of 10% increase on net income (loss) | 15 | 12 | (13)
Impact of 10% decrease on parent equity | (9) | (14) | 34
Impact of 10% increase on parent equity | $ 9 | $ 14 | $ (34)

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