Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Net income		$ 1,232	$ 1,035
Cumulative translation adjustment	[1]	170	(1,189)
Additions and revaluations of derivatives designated as cash flow hedges	[2]	16	(22)
Clearance of hedge results to earnings		11	7
Net revaluation and clearance of cash flow hedges to earnings		27	(15)
Net unrealized loss on securities		(8)	0
Other comprehensive loss, before tax		(957)	(929)
Income tax benefit (expense) related to items of other comprehensive loss		402	(86)
Other comprehensive loss, net of tax		(555)	(1,015)
Comprehensive income		677	20
Less: comprehensive income attributable to noncontrolling interests		6	4
Comprehensive income attributable to DuPont		671	16
Pension Plans [Member]
Net loss	[2]	(1,191)	(4)
Effect of foreign exchange rates	[2]	1	100
Amortization of prior service benefit	[3]	(2)	(2)
Amortization of loss	[3]	172	209
Curtailment / settlement loss (gain)		50	5
Benefit plans, net		(970)	308
Other Long-Term Employee Benefit Plans [Member]
Net loss	[2]	(124)	0
Amortization of prior service benefit	[3]	(39)	(52)
Amortization of loss	[3]	17	19
Curtailment / settlement loss (gain)		(30)	0
Benefit plans, net		$ (176)	$ (33)

[1] The increase in currency translation adjustment gains over prior year for the three months ended March 31, 2016 is primarily driven by the modest weakening of the U.S. dollar (USD) against the European Euro and Brazilian real. The increase in currency translation adjustment losses over prior year for the three months ended March 31, 2015 is primarily driven by the strengthening USD against the European Euro and Brazilian real.

[2] These amounts represent changes in accumulated other comprehensive loss excluding changes due to reclassifying amounts to the interim Consolidated Income Statements. See Notes 13 and 14 for additional information.

[3] 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 14 for additional information.