Segment Information (Details) (USD $) In Millions	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Jun. 30, 2011
Sales to external customers	$ 21,902	$ 16,799
Intersegment sales	1,501	1,013
Net Sales	21,902	16,799
Interest expense	113	117
Interest income	40	24
Equity in earnings of unconsolidated affiliates	124	125
Operating Profit	660	462
Investments in and advances to affiliates	3,202		3,240
Identifiable assets	41,448		42,193
Reportable Segment Totals [Member]
Operating Profit	699	765
Oilseeds Processing [Member]
Sales to external customers	8,326	6,091
Intersegment sales	382	386
Net Sales	8,708	6,477
Operating Profit	221	308
Corn Processing [Member]
Sales to external customers	3,293	2,155
Intersegment sales	75	31
Net Sales	3,368	2,186
Operating Profit	179	341
Agricultural Services [Member]
Sales to external customers	8,666	6,926
Intersegment sales	1,006	560
Net Sales	9,672	7,486
Operating Profit	244	132
Other [Member]
Sales to external customers	1,617	1,627
Intersegment sales	38	36
Net Sales	1,655	1,663
Operating Profit	55	(16)
Intersegment Elimination [Member]
Net Sales	(1,501)	(1,013)
Corporate [Member]
Operating Profit	$ (39)	$ (303)