Employee Separation / Asset Related Charges, Net (2014 Restructuring Program schedule) (Details) - 2014 Restructuring Program [Member] - USD ($) $ in Millions		3 Months Ended	6 Months Ended
		Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring reserve			$ 40	$ 78
Restructuring reserve, payments			(38)
Restructuring reserve, accrual adjustment		$ 2
Severance and Related Benefit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve			38	76
Restructuring reserve, payments			(38)
Other Non-Personnel Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	[1]		2	$ 2
Restructuring reserve, payments	[1]		$ 0
Agriculture [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		4
Electronics & Communications [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		(11)
Industrial Biosciences [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		1
Nutrition & Health [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		4
Performance Materials [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		2
Protection Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		(1)
Other Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		$ 3

[1] Other non-personnel charges consist of contractual obligation costs.