Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Net income	$ 4,862		$ 2,780		$ 3,599
Cumulative translation adjustment	25		77		(457)
Additions and revaluations of derivatives designated as cash flow hedges	(58)	[1]	8	[1]	10	[1]
Clearance of hedge results to earnings	(25)		(65)		96
Net revaluation and clearance of cash flow hedges to earnings	(83)		(57)		106
Net unrealized (loss) gain on securities	1		(2)		2
Other comprehensive income (loss), before tax	4,868		253		(4,300)
Income tax (expense) benefit related to items of other comprehensive income	(1,665)		(121)		1,322
Other comprehensive income (loss), net of tax	3,203		132		(2,978)
Comprehensive income	8,065		2,912		621
Less: Comprehensive income attributable to noncontrolling interests	12		53		22
Comprehensive income attributable to DuPont	8,053		2,859		599
Pension Plans, Defined Benefit [Member]
Net gain (loss)	3,293		(1,433)		(4,069)
Prior service benefit (cost)	62		22		(2)
Amortization of prior service cost (benefit)	8		13		16
Amortization of loss	957		887		613
Curtailment / settlement (gain) loss	153		7		0
Benefit plans, net	4,473		(504)		(3,442)
Other Long-Term Employee Benefit Plans [Member]
Net gain (loss)	513		(60)		(437)
Prior service benefit (cost)	211		857		(11)
Amortization of prior service cost (benefit)	(195)		(155)		(121)
Amortization of loss	76		94		60
Curtailment / settlement (gain) loss	(153)		3		0
Benefit plans, net	$ 452		$ 739		$ (509)

[1] These amounts represent changes in accumulated other comprehensive income excluding changes due to reclassifying amounts to the Consolidated Income Statements.