Restructuring and Related Implementation Charges (Details 2) - 2012 Restructuring Program	3 Months Ended		6 Months Ended		57 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017
Hill’s Pet Nutrition
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	2.00%	17.00%	4.00%	9.00%
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	18.00%	17.00%	24.00%	24.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges					39.00%
North America
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	17.00%	23.00%	22.00%	32.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges					17.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	3.00%	6.00%	3.00%	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	55.00%	6.00%	42.00%	7.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges					24.00%
Asia Pacific
Restructuring Cost and Reserve [Line Items]
Percent of Total Restructuring Charges Related to Segment	3.00%	9.00%	3.00%	6.00%
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	2.00%	22.00%	2.00%	15.00%
Percent of Restructuring Charges Related to Segment, Program-to-date Accumulated Charges					6.00%