Restructuring and Related Implementation Charges - Narrative (Details) - Global Productivity Initiative - USD ($) $ in Millions		9 Months Ended
	Jan. 27, 2022	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment		100.00%
Employee related costs include pension		$ 13
Pet Nutrition
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	5.00%	10.00%
Corporate
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	15.00%	26.00%
North America
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	5.00%	11.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	10.00%	16.00%
Europe
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	45.00%	16.00%
Asia Pacific
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	5.00%	9.00%
Africa/Eurasia
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	15.00%	12.00%
Employee-Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost, percentage	75.00%
Asset Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost, percentage	15.00%
Other
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost, percentage	10.00%
Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring program cost before tax		$ 200
Restructuring program cost, after tax		170
Minimum | Charges Resulting in Cash Expenditures
Restructuring Cost and Reserve [Line Items]
Restructuring and related Cost, estimated to settle through cash, percentage	80.00%
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring program cost before tax		240
Restructuring program cost, after tax		$ 200
Maximum | Charges Resulting in Cash Expenditures
Restructuring Cost and Reserve [Line Items]
Restructuring and related Cost, estimated to settle through cash, percentage	90.00%