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v2.4.0.6

Segment Information (Narratives) (Details) | 9 Months Ended
--- | ---
Mar. 31, 2012
Segment Information |
Number of reportable segments | 3

X
- Definition This element represents the number of reportable segments of the entity. + References No definition available. + Details
Name: | adm_ReportableSegmentsNumber
Namespace Prefix: | adm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration