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FINANCIAL INSTRUMENTS AND DERIVATIVES - ADDITIONAL INFORMATION (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) | Jan. 06, 2021 SEK (kr)
Cross currency basis swaps | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Gain (loss) in AOCI | $ | $ 7 |
Foreign exchange forward contracts |  |
Derivative [Line Items] |  |
Derivative, term of contract | 18 months |
Notional amount | kr |  | kr 1,300,000,000

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