Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Net income		$ 1,959		$ 3,636		$ 4,862
Cumulative translation adjustment		(1,605)	[1]	(876)	[1]	25
Additions and revaluations of derivatives designated as cash flow hedges	[2]	(37)		53		(58)
Clearance of hedge results to earnings		12		15		(25)
Net revaluation and clearance of cash flow hedges to earnings		(25)		68		(83)
Net unrealized (loss) gain on securities		(19)		0		1
Other comprehensive (loss) income, before tax		(1,133)		(4,668)		4,868
Income tax (expense) benefit related to items of other comprehensive income		(175)		1,403		(1,665)
Other comprehensive (loss) income, net of tax		(1,308)		(3,265)		3,203
Comprehensive income		651		371		8,065
Less: Comprehensive income attributable to noncontrolling interests		6		12		12
Comprehensive income attributable to DuPont		645		359		8,053
Other Long-Term Employee Benefit Plans [Member]
Net (loss) gain	[2]	4		(280)		513
Prior service benefit	[2]	0		50		211
Effect of foreign exchange rates	[2]	(1)		0		0
Amortization of prior service (benefit) cost	[3]	(182)		(214)		(195)
Amortization of loss	[3]	78		57		76
Curtailment / settlement (gain) loss		(274)		0		(153)
Benefit plans, net		(375)		(387)		452
Pension Plan [Member]
Net (loss) gain	[2]	(57)		(4,131)		3,293
Prior service benefit	[2]	0		44		62
Effect of foreign exchange rates	[2]	119		0		0
Amortization of prior service (benefit) cost	[3]	(9)		2		8
Amortization of loss	[3]	768		601		957
Curtailment / settlement (gain) loss		70		11		153
Benefit plans, net		$ 891		$ (3,473)		$ 4,473

[1] The increase in currency translation adjustment losses over prior year for the years ended December 31, 2015 and 2014, is driven by the strengthening USD against primarily the Euro and Brazilian Real. For the year ended December 31, 2015, the increase over prior year is also due to changes in certain foreign entity's functional currency as described in Note 1.

[2] These amounts represent changes in accumulated other comprehensive (loss) income excluding changes due to reclassifying amounts to the Consolidated Income Statements.

[3] 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 18 for additional information.