Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Net income	$ 1,445		$ 3,355
Cumulative translation adjustment	(72)		(209)
Additions and revaluations of derivatives designated as cash flow hedges	38	[1]	(16)	[1]
Clearance of hedge results to earnings	18		(10)
Net revaluation and clearance of cash flow hedges to earnings	56		(26)
Net unrealized loss on securities	0		(2)
Other comprehensive income, before tax	96		59
Income tax expense related to items of other comprehensive income	(57)		(75)
Other comprehensive (loss) income, net of tax	39		(16)
Comprehensive income	1,484		3,339
Less: comprehensive income attributable to noncontrolling interests	6		7
Comprehensive income attributable to DuPont	1,478		3,332
Pension Plans [Member]
Net gain	1		56
Amortization of prior service cost (benefit)	1		3
Amortization of loss	149		241
Curtailment / settlement loss (gain)	0		153
Benefit plans, net	151		453
Other Long-Term Employee Benefit Plans [Member]
Net gain	0		17
Amortization of prior service cost (benefit)	(53)		(48)
Amortization of loss	14		27
Curtailment / settlement loss (gain)	0		(153)
Benefit plans, net	$ (39)		$ (157)

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