Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Assets
Cash and cash equivalents	$ 4,284		$ 3,586
Marketable securities	123		433
Accounts and notes receivable, net	5,452		6,022
Inventories	7,422		7,195
Prepaid expenses	204		151
Deferred income taxes	650		671
Assets held for sale	3,056		0
Total current assets	21,191		18,058
Property, plant and equipment	31,826		32,761
Less: Accumulated depreciation	19,085		19,349
Net property, plant and equipment	12,741	[1]	13,412	[1]
Goodwill	4,616		5,413
Other intangible assets	5,126		5,413
Investments in affiliates	1,163	[2]	1,117	[2]
Deferred income taxes	3,939		4,067
Other assets	960		1,012
Total	49,736		48,492
Liabilities and Equity
Accounts payable	4,853		4,816
Short-term borrowings and capital lease obligations	1,275		817
Income taxes	340		255
Other accrued liabilities	5,997		5,297
Liabilities related to assets held for sale	1,084		0
Total current liabilities	13,549		11,185
Long-term borrowings and capital lease obligations	10,465		11,736
Other liabilities	14,687		15,508
Deferred income taxes	856		1,001
Total liabilities	39,557		39,430
Commitments and contingent liabilities
Stockholders' equity
Common stock, $0.30 par value; 1,800,000,000 shares authorized; Issued at December 31, 2012 - 1,020,057,000; 2011 - 1,013,164,000	306		304
Additional paid-in capital	10,632		10,107
Reinvested earnings	14,286		13,422
Accumulated other comprehensive loss	(8,646)		(8,750)
Common stock held in treasury, at cost (Shares: December 31, 2012 and 2011 - 87,041,000)	(6,727)		(6,727)
Total DuPont stockholders' equity	10,088		8,593
Noncontrolling interests	91		469
Total equity	10,179		9,062
Total	49,736		48,492
$4.50 Series-1,673,000 shares (callable at $120) [Member]
Stockholders' equity
Preferred stock, without par value-cumulative; 23,000,000 shares authorized; issued at December 31, 2012 and 2011; $4.50 Series- 1,673,000 shares (callable at $120) $3.50 Series- 700,000 shares (callable at$102)	167		167
$3.50 Series-700,000 shares (callable at $102) [Member]
Stockholders' equity
Preferred stock, without par value-cumulative; 23,000,000 shares authorized; issued at December 31, 2012 and 2011; $4.50 Series- 1,673,000 shares (callable at $120) $3.50 Series- 700,000 shares (callable at$102)	$ 70		$ 70

[1] Includes property, plant and equipment less accumulated depreciation.

[2] See Note 1 for additional information on the presentation of the Performance Coatings business which met the criteria for discontinued operations during 2012.