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, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment				$ 0
Restructuring charges			$ 263		$ 206
Restructuring reserve, payments				(78)
Restructuring reserve, net translation adjustment				(7)
Restructuring reserve		$ 183		183		$ 268
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment				0
Restructuring charges			166
Restructuring reserve, payments				(77)
Restructuring reserve, net translation adjustment				(7)
Restructuring reserve		180		180		264
Other Non-Personnel Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment	[1]			0
Restructuring charges	[1]		3
Restructuring reserve, payments	[1]			(1)
Restructuring reserve, net translation adjustment	[1]			0
Restructuring reserve	[1]	3		3		$ 4
Asset Shut Down Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			94
Agriculture [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		(4)		(4)
Restructuring charges			47		47
Electronics & Communications [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		11		11
Restructuring charges			68		68
Industrial Biosciences [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		(1)		(1)
Restructuring charges			2		2
Nutrition & Health [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		(4)		(4)
Restructuring charges			8		8
Performance Chemicals [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		2		2
Restructuring charges			19		19
Performance Materials [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		(2)		(2)
Restructuring charges			29		29
Safety & Protection [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		1		1
Restructuring charges			31		31
Other Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, accrual adjustment		$ (3)		$ (3)
Restructuring charges			2		$ 2
Corporate Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 57

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