Pension Plans and Other Post Employment Benefit Plans Components of net periodic benefit cost (credit) and amounts recognized in other comprehensive loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	$ 16	$ 18	$ 20
Interest Cost	648	690	505
Expected return on plan assets	(531)	(605)	(720)
Amortization of unrecognized loss (gain)	1	0	3
Amortization of prior service benefit	(4)	(3)	(3)
Curtailment (gain) loss	0	0	0
Settlement loss	2	0	25
Net periodic benefit cost (credit)	132	100	(170)
Net loss (gain)	164	(255)	274
Amortization of unrecognized (loss) gain	1	0	3
Prior service cost (benefit)	0	0	0
Amortization of prior service benefit	(4)	(3)	(3)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax	0	0	0
Settlement loss	2	0	25
Effect of foreign exchange rates	(1)	8	2
Total (benefit) loss recognized in other comprehensive loss, attributable to Corteva	162	(250)	301
Total recognized in net periodic benefit cost and other comprehensive (income) loss	30	(350)	471
Other Post Employment Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	0	1	1
Interest Cost	42	49	26
Expected return on plan assets	0	0	0
Amortization of unrecognized loss (gain)	(13)	(10)	2
Amortization of prior service benefit	(1)	(2)	(1)
Curtailment (gain) loss	0	0	0
Settlement loss	0	0	0
Net periodic benefit cost (credit)	28	38	28
Net loss (gain)	51	49	246
Amortization of unrecognized (loss) gain	(13)	(10)	2
Prior service cost (benefit)	1	0	0
Amortization of prior service benefit	(1)	(2)	(1)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax	0	0	0
Settlement loss	0	0	0
Effect of foreign exchange rates	0	1	0
Total (benefit) loss recognized in other comprehensive loss, attributable to Corteva	38	38	247
Total recognized in net periodic benefit cost and other comprehensive (income) loss	$ 10	$ 0	$ 219