Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Net income	$ 434		$ 288		$ 2,953		$ 4,677
Cumulative translation adjustment	(428)		177		(559)		(46)
Additions and revaluations of derivatives designated as cash flow hedges	(3)	[1]	(15)	[1]	23	[1]	(39)	[1]
Clearance of hedge results to earnings	(2)		1		29		(27)
Net revaluation and clearance of cash flow hedges to earnings	(5)		(14)		52		(66)
Net unrealized gain on securities	0		0		0		1
Other comprehensive (loss) income, before tax	(307)		739		(255)		983
Income tax expense related to items of other comprehensive income	(28)		(195)		(92)		(337)
Other comprehensive (loss) income, net of tax	(335)		544		(347)		646
Comprehensive income	99		832		2,606		5,323
Less: comprehensive income attributable to noncontrolling interests	1		3		11		14
Comprehensive income attributable to DuPont	98		829		2,595		5,309
Pension Plans [Member]
Net (loss) gain	(5)	[1]	(4)	[1]	(107)	[1]	52	[1]
Prior service benefit (cost)	(1)	[1]	62	[1]	(1)	[1]	62	[1]
Amortization of prior service cost (benefit)	1	[2]	2	[2]	2	[2]	8	[2]
Amortization of loss	151	[2]	244	[2]	450	[2]	724	[2]
Curtailment / settlement loss (gain)	2		0		8		153
Benefit plans, net	148		304		352		999
Other Long-Term Employee Benefit Plans [Member]
Net (loss) gain	(33)	[1]	95	[1]	(33)	[1]	140	[1]
Prior service benefit (cost)	50	[1]	199	[1]	50	[1]	199	[1]
Amortization of prior service cost (benefit)	(54)	[2]	(48)	[2]	(160)	[2]	(142)	[2]
Amortization of loss	15	[2]	26	[2]	43	[2]	51	[2]
Curtailment / settlement loss (gain)	0		0		0		(153)
Benefit plans, net	$ (22)		$ 272		$ (100)		$ 95

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

[2] These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost of the company's pension and other long-term employee benefit plans. See Note 12 for additional information.