Restructuring and Asset Related Charges DowDuPont Cost Synergy Program (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges- net	$ 289	$ 335	$ 222
Asset Related Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges- net		176
DowDuPont Cost Synergy Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	833
Restructuring and Asset Related Charges - Net	(12)	0	92
DowDuPont Cost Synergy Program [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	316
Restructuring and Asset Related Charges - Net	(1)	(2)	(7)
DowDuPont Cost Synergy Program [Member] \| Costs Related To Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	190
Restructuring and Asset Related Charges - Net	(3)	0	69
DowDuPont Cost Synergy Program [Member] \| Asset Related Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	327
Restructuring and Asset Related Charges - Net	(8)	2	30
DowDuPont Cost Synergy Program [Member] \| Seed [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Asset Related Charges - Net	(8)	(9)	66
DowDuPont Cost Synergy Program [Member] \| Crop Protection [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Asset Related Charges - Net	(3)	11	27
DowDuPont Cost Synergy Program [Member] \| Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Asset Related Charges - Net	$ (1)	$ (2)	$ (1)

Amount of restructuring charges, remediation cost, and asset impairment loss

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Amount of costs incurred to date for the specified restructuring cost.

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