Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011	Jun. 30, 2011
Sales to external customers	$ 21,155	$ 20,077	$ 66,363	$ 57,806
Intersegment sales	1,750	1,793	4,780	4,308
Net Sales	21,155	20,077	66,363	57,806
Interest expense	116	121	325	353
Interest income	26	32	88	97
Equity in earnings of unconsolidated affiliates	115	71	366	334
Operating Profit	568	791	1,349	2,251
Investments in and advances to affiliates	3,385		3,385		3,240
Identifiable assets	41,858		41,858		42,193
Reportable Segment Totals [Member]
Operating Profit	887	1,006	1,895	3,133
Oilseeds Processing [Member]
Sales to external customers	7,044	6,156	22,883	18,095
Intersegment sales	571	517	1,292	1,311
Net Sales	7,615	6,673	24,175	19,406
Operating Profit	395	512	869	1,145
Corn Processing [Member]
Sales to external customers	2,835	2,463	9,286	7,067
Intersegment sales	33	59	146	135
Net Sales	2,868	2,522	9,432	7,202
Operating Profit	130	204	176	944
Agricultural Services [Member]
Sales to external customers	9,825	9,876	29,525	27,967
Intersegment sales	1,107	1,179	3,224	2,750
Net Sales	10,932	11,055	32,749	30,717
Operating Profit	179	171	581	729
Other [Member]
Sales to external customers	1,451	1,582	4,669	4,677
Intersegment sales	39	38	118	112
Net Sales	1,490	1,620	4,787	4,789
Operating Profit	183	119	269	315
Intersegment Elimination [Member]
Net Sales	(1,750)	(1,793)	(4,780)	(4,308)
Corporate [Member]
Operating Profit	$ (319)	$ (215)	$ (546)	$ (882)