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%