Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Net income	$ 1,034		$ 1,175		$ 4,389		$ 2,679
Cumulative translation adjustment	(14)		(412)		(223)		(242)
Additions and revaluations of derivatives designated as cash flow hedges	(8)	[1]	38	[1]	(24)	[1]	36	[1]
Clearance of hedge results to earnings	(18)		(23)		(28)		(55)
Net revaluation and clearance of cash flow hedges to earnings	(26)		15		(52)		(19)
Net unrealized (loss) gain on securities	3		1		1		2
Other comprehensive income (loss), before tax	185		(177)		244		174
Income tax expense related to items of other comprehensive income	(67)		(76)		(142)		(140)
Other comprehensive (loss) income, net of tax	118		(253)		102		34
Comprehensive income	1,152		922		4,491		2,713
Less: comprehensive income attributable to noncontrolling interests	4		34		11		48
Comprehensive income attributable to DuPont	1,148		888		4,480		2,665
Pension Plans [Member]
Net gain (loss)	0	[1]	4	[1]	56	[1]	(19)	[1]
Prior service benefit	0	[1]	0	[1]	0	[1]	22	[1]
Amortization of prior service cost (benefit)	3	[2]	3	[2]	6	[2]	7	[2]
Amortization of (gain) loss	239	[2]	220	[2]	480	[2]	439	[2]
Curtailment / settlement loss (gain)	0	[2]	0	[2]	153	[2]	0	[2]
Benefit plans, net	242		227		695		449
Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Net gain (loss)	28	[1]	0	[1]	45	[1]	0	[1]
Amortization of prior service cost (benefit)	(46)	[2]	(30)	[2]	(94)	[2]	(60)	[2]
Amortization of (gain) loss	(2)	[2]	22	[2]	25	[2]	44	[2]
Curtailment / settlement loss (gain)	0	[2]	0	[2]	(153)	[2]	0	[2]
Benefit plans, net	$ (20)		$ (8)		$ (177)		$ (16)

[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.