Restructuring and Related Implementation Charges (Details 2) - 2012 Restructuring Program	3 Months Ended		54 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017
Hill’s Pet Nutrition
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	7.00%	1.00%
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	42.00%	32.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			40.00%
North America
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	37.00%	42.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			18.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	6.00%	7.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			4.00%
Europe
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	2.00%	7.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			21.00%
Asia Pacific
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	2.00%	4.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			3.00%
Africa/Eurasia
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	4.00%	7.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges			7.00%