Segment Information (Segment Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Segment Information
Sales to external customers	$ 21,393	$ 21,808	$ 65,661	$ 65,638
Intersegment sales	2,386	1,716	6,951	6,254
Net sales	21,393	21,808	65,661	65,638
Segment operating profit	709	295	1,401	1,279
Reportable segment totals [Member]
Segment Information
Segment operating profit	606	498	1,883	1,960
Oilseeds Processing
Segment Information
Sales to external customers	9,216	9,688	26,695	27,066
Intersegment sales	1,213	454	2,817	1,993
Net sales	10,429	10,142	29,512	29,059
Segment operating profit	361	336	995	1,209
Corn Processing [Member]
Segment Information
Sales to external customers	3,393	3,126	10,084	8,789
Intersegment sales	44	35	126	95
Net sales	3,437	3,161	10,210	8,884
Segment operating profit	159	68	535	275
Agricultural Services [Member]
Segment Information
Sales to external customers	8,751	8,956	28,781	29,674
Intersegment sales	1,078	1,186	3,848	4,044
Net sales	9,829	10,142	32,629	33,718
Segment operating profit	102	78	334	462
Other [Member]
Segment Information
Sales to external customers	33	38	101	109
Intersegment sales	51	41	160	122
Net sales	84	79	261	231
Segment operating profit	(16)	16	19	14
Intersegment Elimination [Member]
Segment Information
Net sales	(2,386)	(1,716)	(6,951)	(6,254)
Corporate [Member]
Segment Information
Segment operating profit	$ 103	$ (203)	$ (482)	$ (681)

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Article 5

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- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

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Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Amount of revenue from transactions with other operating segments of the same entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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