Restructuring and Related Implementation Charges - Restructuring Charges Incurred, by Segment (Details) - Global Productivity Initiative		12 Months Ended
	Jan. 27, 2022	Dec. 31, 2023	Dec. 31, 2022
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	10.00%	23.00%	11.00%
Program-to-date accumulated charges (percent)		14.00%
Corporate
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	15.00%	18.00%	22.00%
Program-to-date accumulated charges (percent)		21.00%
North America
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	5.00%	15.00%	11.00%
Program-to-date accumulated charges (percent)		12.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	10.00%	0.00%	18.00%
Program-to-date accumulated charges (percent)		14.00%
Europe
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	45.00%	19.00%	19.00%
Program-to-date accumulated charges (percent)		19.00%
Asia Pacific
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	5.00%	20.00%	8.00%
Program-to-date accumulated charges (percent)		11.00%
Africa/Eurasia
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	10.00%	5.00%	11.00%
Program-to-date accumulated charges (percent)		9.00%