Segment Information (Schedule of Segment Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended									12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Net sales	$ 7,378	$ 7,511	$ 9,706	$ 10,128	$ 7,747		$ 7,735	$ 9,844	$ 10,408	$ 34,723	[1]	$ 35,734	[1]	$ 34,812	[1]
PTOI										6,356		5,369		5,369
Depreciation and amortization										1,617		1,603	[2]	1,713	[2]
Equity in earnings of affiliates										(10)		41	[2]	102	[2]
Segment net assets	27,770				27,361					27,770		27,361		26,513
Affiliate net assets	886				1,011	[2]				886		1,011	[2]	1,163	[2]
Purchases of property, plant and equipment										2,020		1,882	[2]	1,793	[2]
Assets held for sale	0				228					0		228
Operating Segments [Member]
Segment Reporting Information [Line Items]
Segment sales										35,011		36,046		35,194
Less: Transfers										288		312		382
Net sales										34,723		35,734		34,812
PTOI										6,356		5,369		5,369
Depreciation and amortization										1,455		1,429		1,442
Equity in earnings of affiliates										(10)		37		99
Segment net assets	27,770				27,361					27,770		27,361		26,513
Affiliate net assets	1,149				1,269					1,149		1,269		1,468
Purchases of property, plant and equipment										1,625		1,602		1,431
Agriculture [Member]
Segment Reporting Information [Line Items]
Segment sales										11,304		11,739		10,426
Less: Transfers										8		11		5
Net sales										11,296		11,728		10,421
PTOI										2,668		2,132		1,669
Depreciation and amortization										436		358		337
Equity in earnings of affiliates										32		36		30
Segment net assets	6,652				5,883					6,652		5,883		4,756
Affiliate net assets	251				281					251		281		389
Purchases of property, plant and equipment										407		485		432
Electronics & Communications [Member]
Segment Reporting Information [Line Items]
Segment sales										2,393		2,549		2,701
Less: Transfers										12		15		17
Net sales										2,381		2,534		2,684
PTOI										271		203		222
Depreciation and amortization										97		105		113
Equity in earnings of affiliates										22		22		19
Segment net assets	1,344				1,435					1,344		1,435		1,622
Affiliate net assets	142				145					142		145		151
Purchases of property, plant and equipment										52		73		71
Industrial Biosciences [Member]
Segment Reporting Information [Line Items]
Segment sales										1,258		1,224		1,180
Less: Transfers										14		13		11
Net sales										1,244		1,211		1,169
PTOI										198		170		159
Depreciation and amortization										85		81		79
Equity in earnings of affiliates										8		2		1
Segment net assets	2,518				2,640					2,518		2,640		2,602
Affiliate net assets	46				48					46		48		53
Purchases of property, plant and equipment										90		77		80
Nutrition & Health [Member]
Segment Reporting Information [Line Items]
Segment sales										3,529		3,473		3,422
Less: Transfers										0		0		0
Net sales										3,529		3,473		3,422
PTOI										365		305		270
Depreciation and amortization										264		271		288
Equity in earnings of affiliates										0		0		0
Segment net assets	5,923				6,455					5,923		6,455		6,641
Affiliate net assets	7				7					7		7		8
Purchases of property, plant and equipment										112		138		148
Performance Chemicals [Member]
Segment Reporting Information [Line Items]
Segment sales										6,497		6,932		7,450
Less: Transfers										180		196		248
Net sales										6,317		6,736		7,202
PTOI										913		941		1,826
Depreciation and amortization										245		253		256
Equity in earnings of affiliates										26		19		28
Segment net assets	4,559				4,116					4,559		4,116		4,095
Affiliate net assets	160				169					160		169		180
Purchases of property, plant and equipment										525		429		394
Performance Materials [Member]
Segment Reporting Information [Line Items]
Segment sales										6,129		6,239		6,185
Less: Transfers										70		73		90
Net sales										6,059		6,166		6,095
PTOI										1,590		1,264		1,073
Depreciation and amortization										139		162		171
Equity in earnings of affiliates										(82)		(16)		42
Segment net assets	3,338				3,541	[3]				3,338		3,541	[3]	3,585
Affiliate net assets	419				492					419		492		567
Purchases of property, plant and equipment										134		179		181
Safety & Protection [Member]
Segment Reporting Information [Line Items]
Segment sales										3,896		3,884		3,825
Less: Transfers										4		4		11
Net sales										3,892		3,880		3,814
PTOI										742		694		562
Depreciation and amortization										187		198		197
Equity in earnings of affiliates										27		23		32
Segment net assets	3,039				3,138					3,039		3,138		3,153
Affiliate net assets	103				106					103		106		106
Purchases of property, plant and equipment										105		109		118
Other [Member]
Segment Reporting Information [Line Items]
Segment sales										5		6		5
Less: Transfers										0		0		0
Net sales										5		6		5
PTOI										(391)		(340)		(412)
Depreciation and amortization										2		1		1
Equity in earnings of affiliates										(43)		(49)		(53)
Segment net assets	397				153					397		153		59
Affiliate net assets	21				21					21		21		14
Purchases of property, plant and equipment										200		112		7
GLS/Vinyls [Member]
Segment Reporting Information [Line Items]
Assets held for sale					$ 228							$ 228

[1] Net sales, based on the location of the customer, are generally presented for locations with greater than two percent of total net sales.

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

[3] Includes assets held for sale related to GLS/Vinyls of $228 as of December 31, 2013. See Note 2 for additional information.