Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net (loss) income	$ (72)	$ 377	$ (3,153)	$ 412
Other comprehensive income (loss), net of tax
Unrealized gains on investments	0	0	0	67
Cumulative translation adjustments	606	(694)	547	(829)
Pension and other post-employment benefit plans	4	(4)	9	187
Derivative instruments	0	0	0	(58)
Total other comprehensive income (loss)	610	(699)	556	(621)
Comprehensive income (loss)	538	(321)	(2,597)	(221)
Comprehensive income attributable to noncontrolling interests, net of tax	11	4	19	102
Comprehensive income (loss) attributable to DuPont	527	(325)	(2,616)	(323)
Total
Other comprehensive income (loss), net of tax
Total other comprehensive income (loss)	$ 606	$ (698)	$ 557	$ (633)