Consolidated Income Statements (USD $) In Millions, except Per Share data	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Net sales	$ 9,238		$ 7,001		$ 29,536		$ 24,101
Other income, net	161		66		415		890
Total	9,399		7,067		29,951		24,991
Cost of goods sold and other operating charges	7,107		5,443		21,129		17,223
Selling, general and administrative expenses	1,014		782		3,177		2,796
Research and development expense	557		409		1,418		1,178
Interest expense	116		103		331		309
Employee separation / asset related charges, net	36		0		36		0
Total	8,830		6,737		26,091		21,506
Income before income taxes	569	[1]	330	[1]	3,860	[1]	3,485	[1]
Provision for (benefit from) income taxes	109		(39)		727		811
Net income	460		369		3,133		2,674
Less: Net income attributable to noncontrolling interests	8		2		32		19
Net income attributable to DuPont	$ 452		$ 367		$ 3,101		$ 2,655
Basic earnings per share of common stock	$ 0.48		$ 0.40		$ 3.33		$ 2.92
Diluted earnings per share of common stock	$ 0.48		$ 0.40		$ 3.28		$ 2.89
Dividends per share of common stock	$ 0.41		$ 0.41		$ 1.23		$ 1.23

[1] A reconciliation of total segment PTOI to income before income taxes is as follows: Three Months Ended September 30, Nine Months EndedSeptember 30, 2011 2010 2011 2010Total segment PTOI$850 $763 $4,918 $4,221Net exchange losses, including affiliates(6) (160) (145) (25)Corporate expenses and net interest(275) (273) (913) (711)Income before income taxes$569 $330 $3,860 $3,485