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FINANCIAL INSTRUMENTS (Income Statement) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Other income (expense), net	$ 76	$ 20	$ (8)
Other Nonoperating Income (Expense)
Derivative [Line Items]
Hedged items (Long-term debt)	(68)	(65)	4
Other Nonoperating Income (Expense) | Fair Value Hedging
Derivative [Line Items]
Derivatives designated as hedging instruments	$ 68	$ 65	$ (4)

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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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