Restructuring and Related Implementation Charges (Details 2) (Two Thousand Twelve Restructuring Program [Member])	3 Months Ended		30 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015
Pet Nutrition [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment For The Period	4.00%	8.00%
Percent Of Restructuring Charges Related to Segment Program To Date			8.00%
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment For The Period	68.00%	56.00%
Percent Of Restructuring Charges Related to Segment Program To Date			47.00%
North America [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment For The Period	18.00%	9.00%
Percent Of Restructuring Charges Related to Segment Program To Date			11.00%
Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment For The Period	0.00%	4.00%
Percent Of Restructuring Charges Related to Segment Program To Date			3.00%
Europe/South Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment For The Period	7.00%	21.00%
Percent Of Restructuring Charges Related to Segment Program To Date			25.00%
Asia [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment For The Period	0.00%	0.00%
Percent Of Restructuring Charges Related to Segment Program To Date			1.00%
Africa/Eurasia [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment For The Period	3.00%	2.00%
Percent Of Restructuring Charges Related to Segment Program To Date			5.00%