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Commitments and Contingencies - Numbers of Items (Details) $ in Millions								6 Months Ended	12 Months Ended
	Jun. 12, 2023 USD ($)	Nov. 11, 2022 employee	Sep. 23, 2022 claim	Sep. 30, 2021 USD ($)	Jul. 01, 2021 plaintiff	Jun. 12, 2018 plaintiff	Mar. 20, 2018 USD ($) subsidiary	Dec. 31, 2018 plaintiff	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 22, 2022 claim	May 15, 2018 USD ($)	Apr. 27, 2018 USD ($) employee
Commitments and Contingencies
Total liabilities										$ 2,932	$ 2,888
Assets										7,566	$ 7,902
Pork Product Purchasers \| Pending Litigation
Commitments and Contingencies
Number of plaintiffs \| plaintiff						12		3
Pork Compensation Antitrust \| Pending Litigation
Commitments and Contingencies
Number of plaintiffs \| employee		3
Cereoil Bankruptcy Trustee - Case One \| Pending Litigation
Commitments and Contingencies
Damages sought							$ 22
Damages sought, including interest							$ 35
Number of subsidiaries \| subsidiary							2
Cereoil Bankruptcy Trustee - Case Two \| Pending Litigation
Commitments and Contingencies
Number of individuals employed by Seaboard serving as directors \| employee														2
Total liabilities										45				$ 50
Assets										17				$ 30
Nolston Bankruptcy Trustee \| Pending Litigation
Commitments and Contingencies
Total liabilities										1			$ 29
Assets										$ 0			$ 15
Odette Blanco De Fernandez
Commitments and Contingencies
Term of concession to develop port facilities					70 years
Odette Blanco De Fernandez \| Pending Litigation
Commitments and Contingencies
Number of siblings added as plaintiffs \| plaintiff					4
Claimed ownership percentage of companies that owned concession and land					20.00%
DPP Class \| Pending Litigation
Commitments and Contingencies
Settlement amount	$ 10
Pork Price-fixing Anti-trust \| Pending Litigation \| Forecast \| Minimum
Commitments and Contingencies
Settlement amount									$ 10
HSBC \| Pending Litigation
Commitments and Contingencies
Damages sought				$ 10
Interest and other relief sought				$ 3
Number of claims that were dismissed by a court \| claim			6
Number of claims \| claim			1									7
Number of claims dismissed that can be refiled \| claim			3
Number of claims dismissed that cannot be refiled unless successfully appealed \| claim			3
Cereoil
Commitments and Contingencies
Percentage of ownership										45.00%
Nolston
Commitments and Contingencies
Percentage of ownership										45.00%