Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Net income	$ 288		$ 8		$ 4,677		$ 2,687
Cumulative translation adjustment	177		189		(46)		(53)
Additions and revaluations of derivatives designated as cash flow hedges	(15)	[1]	(6)	[1]	(39)	[1]	30	[1]
Clearance of hedge results to earnings	1		(11)		(27)		(66)
Net revaluation and clearance of cash flow hedges to earnings	(14)		(17)		(66)		(36)
Net unrealized (loss) gain on securities	0		(5)		1		(3)
Other comprehensive income (loss), before tax	739		484		983		658
Income tax expense related to items of other comprehensive income	(195)		(126)		(337)		(266)
Other comprehensive (loss) income, net of tax	544		358		646		392
Comprehensive income	832		366		5,323		3,079
Less: comprehensive income attributable to noncontrolling interests	3		3		14		51
Comprehensive income attributable to DuPont	829		363		5,309		3,028
Pension Plans [Member]
Net gain (loss)	(4)	[1]	(609)	[1]	52	[1]	(628)	[1]
Prior service benefit (cost)	62	[1]	0	[1]	62	[1]	22	[1]
Amortization of prior service cost (benefit)	2	[2]	3	[2]	8	[2]	10	[2]
Amortization of (gain) loss	244	[2]	222	[2]	724	[2]	661	[2]
Curtailment / settlement loss (gain)	0	[2]	2	[2]	153	[2]	2	[2]
Benefit plans, net	304		(382)		999		67
Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Net gain (loss)	95	[1]	(141)	[1]	140	[1]	(141)	[1]
Prior service benefit (cost)	199	[1]	857	[1]	199	[1]	857	[1]
Amortization of prior service cost (benefit)	(48)	[2]	(44)	[2]	(142)	[2]	(104)	[2]
Amortization of (gain) loss	26	[2]	24	[2]	51	[2]	68	[2]
Curtailment / settlement loss (gain)	0	[2]	3	[2]	(153)	[2]	3	[2]
Benefit plans, net	$ 272		$ 699		$ 95		$ 683

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

[2] These accumulated other comprehensive income 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.