Segment Information (Narrative) (Details)	12 Months Ended
	Dec. 31, 2014 segment	Jun. 06, 2014	Dec. 31, 2012
Segment Information
Number of Reportable Segments	3
Noncontrolling interest Acquired, Ownership Percentage		20.00%
Pacificor [Member]
Segment Information
Ownership percentage (as a percent)	32.20%
GrainCorp [Member] [Member]
Segment Information
Ownership percentage (as a percent)	19.80%
Gruma S.A.B. de C.V. [Member]
Segment Information
Ownership percentage (as a percent)			23.20%