Restructuring and Related Implementation Charges - Restructuring Charges Incurred, by Segment (Details) - Global Productivity Initiative	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	100.00%	100.00%
Program-to-date accumulated charges (percent)	100.00%
Pet Nutrition
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	6.00%	23.00%
Program-to-date accumulated charges (percent)	11.00%
Corporate
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	2.00%	18.00%
Program-to-date accumulated charges (percent)	14.00%
North America
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	3.00%	15.00%
Program-to-date accumulated charges (percent)	9.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	0.00%	0.00%
Program-to-date accumulated charges (percent)	9.00%
Europe
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	89.00%	19.00%
Program-to-date accumulated charges (percent)	44.00%
Asia Pacific
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	0.00%	20.00%
Program-to-date accumulated charges (percent)	7.00%
Africa/Eurasia
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	0.00%	5.00%
Program-to-date accumulated charges (percent)	6.00%