Restructuring and Related Implementation Charges (Details 2) - Two Thousand Twelve Restructuring Program [Member]	3 Months Ended		6 Months Ended		33 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015
Pet Nutrition [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment for the period	13.00%	11.00%	7.00%	9.00%
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	34.00%	55.00%	56.00%	56.00%
Percent of Restructuring Charges Related to Segment Program to Date					46.00%
North America [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment for the period	14.00%	11.00%	17.00%	10.00%
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	5.00%	5.00%	2.00%	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	19.00%	16.00%	11.00%	19.00%
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	11.00%	0.00%	4.00%	0.00%
Percent of Restructuring Charges Related to Segment Program to Date					2.00%
Africa/Eurasia [Member]
Restructuring Cost and Reserve [Line Items]
Percent Of Total Restructuring Charges Related To Segment for the period	4.00%	2.00%	3.00%	2.00%
Percent of Restructuring Charges Related to Segment Program to Date					5.00%