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Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details)

v3.20.4
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Customer Supply Agreements [Member] | Sales [Member] Ìý Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý Ìý
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 122 $ 78 $ 426