Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Net income	$ 3,355		$ 1,504
Cumulative translation adjustment	(209)		170
Additions and revaluations of derivatives designated as cash flow hedges	(16)	[1]	(2)	[1]
Clearance of hedge results to earnings	(10)		(32)
Net revaluation and clearance of cash flow hedges to earnings	(26)		(34)
Net unrealized (loss) gain on securities	(2)		1
Other comprehensive income income, before tax	59		351
Income tax expense related to items of other comprehensive income	(75)		(64)
Other comprehensive (loss) income, net of tax	(16)		287
Comprehensive income	3,339		1,791
Less: comprehensive income attributable to noncontrolling interests	7		14
Comprehensive income attributable to DuPont	3,332		1,777
Pension Plans [Member]
Net gain (loss)	56	[1]	(23)	[1]
Prior service benefit	0	[1]	22	[1]
Amortization of prior service cost (benefit)	3	[2]	4	[2]
Amortization of loss	241	[2]	219	[2]
Curtailment / settlement loss	153		0
Benefit plans, net	453		222
Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Net gain (loss)	17	[1]	0	[1]
Amortization of prior service cost (benefit)	(48)	[2]	(30)	[2]
Amortization of loss	27	[2]	22	[2]
Curtailment / settlement loss	(153)		0
Benefit plans, net	$ (157)		$ (8)

[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.