Restructuring and Related Implementation Charges (Details 2) - 2012 Restructuring Program	12 Months Ended			39 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015
Pet Nutrition [Member]
Restructuring Cost and Reserve [Line Items]
Percent of Restructuring Charges Related to Segment for Period	5.00%	10.00%	8.00%
Percent Of Restructuring Charges Reportable Segment Program Charges Incurred To Date				7.00%
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Percent of Restructuring Charges Related to Segment for Period	48.00%	49.00%	42.00%
Percent Of Restructuring Charges Reportable Segment Program Charges Incurred To Date				45.00%
North America [Member]
Restructuring Cost and Reserve [Line Items]
Percent of Restructuring Charges Related to Segment for Period	21.00%	11.00%	11.00%
Percent Of Restructuring Charges Reportable Segment Program Charges Incurred To Date				13.00%
Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Percent of Restructuring Charges Related to Segment for Period	3.00%	4.00%	4.00%
Percent Of Restructuring Charges Reportable Segment Program Charges Incurred To Date				4.00%
Europe/South Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Percent of Restructuring Charges Related to Segment for Period	15.00%	20.00%	28.00%
Percent Of Restructuring Charges Reportable Segment Program Charges Incurred To Date				24.00%
Asia [Member]
Restructuring Cost and Reserve [Line Items]
Percent of Restructuring Charges Related to Segment for Period	3.00%	3.00%	0.00%
Percent Of Restructuring Charges Reportable Segment Program Charges Incurred To Date				2.00%
Africa/Eurasia [Member]
Restructuring Cost and Reserve [Line Items]
Percent of Restructuring Charges Related to Segment for Period	5.00%	3.00%	7.00%
Percent Of Restructuring Charges Reportable Segment Program Charges Incurred To Date				5.00%