Employee Separation / Asset Related Charges, Net (2016 Restructuring Program schedule )(Details) - 2016 Restructuring Program [Member] - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 2
Restructuring reserve		504	$ 680
Restructuring reserve, payments		(144)
Restructuring reserve, net translation adjustment		3
Restructuring reserve, other adjustments		2
Restructuring reserve, asset write-offs		(37)
Severance and Related Benefit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		483	648
Restructuring reserve, payments		(124)
Restructuring reserve, net translation adjustment		3
Restructuring reserve, other adjustments		(44)
Restructuring reserve, asset write-offs		0
Asset Related Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		0	0
Restructuring reserve, payments		0
Restructuring reserve, net translation adjustment		0
Restructuring reserve, other adjustments		37
Restructuring reserve, asset write-offs		(37)
Other Non-Personnel Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	[1]	21	$ 32
Restructuring reserve, payments	[1]	(20)
Restructuring reserve, net translation adjustment	[1]	0
Restructuring reserve, other adjustments	[1]	9
Restructuring reserve, asset write-offs	[1]	0
Agriculture [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		21
Electronics & Communications [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(7)
Industrial Biosciences [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(1)
Nutrition & Health [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(1)
Performance Materials [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		4
Protection Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(3)
Other Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		3
Corporate Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ (14)

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