Restructuring and Related Implementation Charges - Narrative (Details) - Global Productivity Initiative - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	100.00%	100.00%
Employee related costs include pension	$ 1
Pet Nutrition
Restructuring Cost and Reserve [Line Items]
Estimated cumulative pretax charges (percent)	10.00%
Percent of total restructuring charges related to segment	16.00%	9.00%
Corporate
Restructuring Cost and Reserve [Line Items]
Estimated cumulative pretax charges (percent)	15.00%
Percent of total restructuring charges related to segment	32.00%	30.00%
North America
Restructuring Cost and Reserve [Line Items]
Estimated cumulative pretax charges (percent)	5.00%
Percent of total restructuring charges related to segment	7.00%	13.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Estimated cumulative pretax charges (percent)	10.00%
Percent of total restructuring charges related to segment	11.00%	15.00%
Europe
Restructuring Cost and Reserve [Line Items]
Estimated cumulative pretax charges (percent)	45.00%
Percent of total restructuring charges related to segment	15.00%	18.00%
Asia Pacific
Restructuring Cost and Reserve [Line Items]
Estimated cumulative pretax charges (percent)	5.00%
Percent of total restructuring charges related to segment	6.00%	11.00%
Africa/Eurasia
Restructuring Cost and Reserve [Line Items]
Estimated cumulative pretax charges (percent)	10.00%
Percent of total restructuring charges related to segment	13.00%	4.00%
Employee-Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost, percentage	80.00%
Asset Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost, percentage	10.00%
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%

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Percent Of Total Restructuring Charges Related To Segment For The Period

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Restructuring and Related Cost, Estimated to Settle Through Cash, Percentage

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Restructuring and Related Cost, Expected Cost, After Tax

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Restructuring and Related Cost, Expected Cost, Percentage

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Amount expected to be recognized in earnings for the specified restructuring cost.

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