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SUPPLEMENTAL FINANCIAL INFORMATION - Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Other Income, net
Foreign exchange (gains) losses, net	$ 8	$ 10	$ 5	$ 21
Pension and other postretirement benefit plans	3	(1)	7	(2)
Change in fair value of marketable equity securities	(9)	0	(7)	0
Other, net	(4)	(3)	(2)	(3)
Other (income) expense, net	$ (2)	$ 6	$ 3	$ 16

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- Definition

Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.

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Amount of increase (decrease) of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of gain (loss) related to nonoperating activities, classified as other.

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