Restructuring and Related Implementation Charges (Details 2) - 2012 Restructuring Program	3 Months Ended		42 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016
Hill’s Pet Nutrition
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	1.00%	4.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			7.00%
Corporate
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	32.00%	68.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			44.00%
North America
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	42.00%	18.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			14.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	7.00%	0.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			4.00%
Europe/South Pacific
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	7.00%	7.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			24.00%
Asia
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	4.00%	0.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			2.00%
Africa/Eurasia
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	7.00%	3.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			5.00%