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STOCK-BASED COMPENSATION (DuPont) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Payment Arrangement, Expense	$ 25		$ 30	$ 94	$ 85
Share-based Payment Arrangement, Expense, Tax Benefit	$ 5		$ 6	$ 19	$ 18
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		0.8
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 8.84
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price		$ 53.50
Restricted Stock Units (RSUs) [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		1.0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 53.49
Performance Shares [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		0.3
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 50.23
DuPont Omnibus Incentive Plan [Domain]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	10.0			10.0
2020 Equity and Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	19.0			19.0