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Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 12 Months Ended | 24 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 05, 2018 | Oct. 28, 2016 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017
Operations of Seaboard Corporation and its Subsidiaries |  |  |  |  |  |  |  |
Percentage of ownership interest held by Seaboard Flour LLC and SFC Preferred LLC (Parent Companies) |  |  |  | 76.00% |  |  | 76.00% |
Goodwill and Other Intangible Assets |  |  |  |  |  |  |  |
Impairment charges |  |  |  | $ 0 |  |  |  |
Goodwill |  |  |  |  |  |  |  |
Goodwill, beginning balance |  |  |  | 22 | $ 19 |  | $ 19 |
Acquisition |  |  |  | 148 | 3 |  |  |
Foreign currency translation |  |  |  | (3) |  |  |  |
Goodwill, ending balance |  |  |  | 167 | 22 | $ 19 | 167 | $ 22
Intangible assets |  |  |  |  |  |  |  |
Other intangible assets, net |  |  |  | 69 | 2 |  | 69 | 2
Accumulated amortization |  |  |  | 6 |  |  | 6 |
Foreign currency translation |  |  |  | 3 |  |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Amortization of intangible assets |  |  |  | 6 |  |  |  |
2019 |  |  |  | 9 |  |  | 9 |
2020 |  |  |  | 9 |  |  | 9 |
2021 |  |  |  | 9 |  |  | 9 |
2022 |  |  |  | 9 |  |  | 9 |
2023 |  |  |  | 9 |  |  | 9 |
Thereafter |  |  |  | 24 |  |  | 24 |
Changes in the asset retirement obligation |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 22 | 19 |  | 19 |
Accretion expense |  |  |  | 1 | 2 |  |  |
Liability for additional lagoons placed in service |  |  |  |  | 1 |  |  |
Ending balance |  |  |  | 23 | 22 | 19 | 23 | 22
Cash and Cash Equivalents |  |  |  |  |  |  |  |
Interest |  |  |  | 43 | 30 | 29 |  |
Income taxes (net of refunds) |  |  |  | 35 | 32 | 31 |  |
Foreign Currency Transactions and Translation |  |  |  |  |  |  |  |
Period of measurement to determine highly inflationary accounting |  |  | 3 years |  |  |  |  |
Three-year cumulative inflation rate |  |  | 100.00% |  |  |  |  |
Foreign currency gains related to the adoption of highly inflationary accounting |  |  |  | $ 9 |  |  |  |
Minimum |  |  |  |  |  |  |  |
Principles of Consolidation and Investments in Affiliates |  |  |  |  |  |  |  |
Time lag for reporting financial information |  |  |  | 1 month |  |  |  |
Property, Plant and Equipment |  |  |  |  |  |  |  |
Useful Lives |  |  |  | 3 years |  |  |  |
Maximum |  |  |  |  |  |  |  |
Principles of Consolidation and Investments in Affiliates |  |  |  |  |  |  |  |
Time lag for reporting financial information |  |  |  | 3 months |  |  |  |
Property, Plant and Equipment |  |  |  |  |  |  |  |
Useful Lives |  |  |  | 30 years |  |  |  |
Mimran |  |  |  |  |  |  |  |
Principles of Consolidation and Investments in Affiliates |  |  |  |  |  |  |  |
Time lag for reporting financial information |  |  |  | 3 months |  |  |  |
Goodwill |  |  |  |  |  |  |  |
Goodwill, ending balance |  |  |  | $ 148 |  |  | 148 |
Supplemental Non-Cash Transactions |  |  |  |  |  |  |  |
Acquisition related debt | $ 46 |  |  |  |  |  |  |
Contingent consideration | $ 14 |  |  |  |  |  |  |
Belarina |  |  |  |  |  |  |  |
Supplemental Non-Cash Transactions |  |  |  |  |  |  |  |
Acquisition of business, cash consideration |  | $ 0 |  |  |  |  |  |
Pork |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |
Goodwill, beginning balance |  |  |  | 18 | 18 |  | 18 |
Goodwill, ending balance |  |  |  | 18 | 18 | 18 | 18 | 18
CT&M |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |
Goodwill, beginning balance |  |  |  | 4 | 1 |  | 1 |
Acquisition |  |  |  | 148 | 3 |  |  |
Foreign currency translation |  |  |  | (3) |  |  |  |
Goodwill, ending balance |  |  |  | 149 | 4 | 1 | 149 | 4
CT&M | Belarina |  |  |  |  |  |  |  |
Principles of Consolidation and Investments in Affiliates |  |  |  |  |  |  |  |
Time lag for reporting financial information |  | 3 months |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |
Goodwill, ending balance |  | $ 1 |  |  |  |  |  |
Supplemental Non-Cash Transactions |  |  |  |  |  |  |  |
Acquisition of business, cash consideration |  | $ 0 |  |  |  |  |  |
Allowance for Doubtful Accounts |  |  |  |  |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |  |  |  |  |
Balance at beginning of year |  |  |  | 29 | 14 | 21 | 14 | 21
Provision |  |  |  | 7 | 16 | (1) |  |
Net deductions |  |  |  | (3) | (1) | (6) |  |
Balance at end of year |  |  |  | 33 | 29 | 14 | 33 | 29
Allowance for Doubtful Accounts | Selling, general and administrative expenses |  |  |  |  |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |  |  |  |  |
Provision |  |  |  | 7 | 12 |  |  |
Allowance for Doubtful Accounts | Income from affiliates |  |  |  |  |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |  |  |  |  |
Provision |  |  |  |  | 2 |  |  |
Allowance for Doubtful Accounts | Cost of sales |  |  |  |  |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |  |  |  |  |
Provision |  |  |  |  | 2 |  |  |
Allowance for Notes Receivable |  |  |  |  |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |  |  |  |  |
Balance at beginning of year |  |  |  | 16 | 16 |  | 16 |
Provision |  |  |  | 1 |  | 16 |  |
Balance at end of year |  |  |  | $ 17 | $ 16 | $ 16 | $ 17 | $ 16

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