FINANCIAL INSTRUMENTS (Income Statement) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative [Line Items]
Other (expense) income, net	$ (16)	$ 9
Other Nonoperating Income (Expense)
Derivative [Line Items]
Hedged items (Long-term debt)	(69)	(16)
Other Nonoperating Income (Expense) | Fair Value Hedging
Derivative [Line Items]
Derivatives designated as hedging instruments	$ 69	$ 16