Compensation and Retirement Disclosure [Abstract] Benefit plans Compensation and Employee Benefit Plans [Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Qualified Pension Benefits Pension Plans, Defined Benefit [Member] Non-Qualified Pension Benefits Pension Plans, Defined Benefit, Non-Qualified [Member] Pension Plans, Defined Benefit, Non-Qualified [Member] Other Benefits Other Pension Plans, Postretirement or Supplemental Plans, Defined Benefit [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Component of net periodic benefit costs: [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Service costs Defined Benefit Plan, Service Cost Interest costs Defined Benefit Plan, Interest Cost Expected return on assets Defined Benefit Plan, Expected Return on Plan Assets Prior service cost (credit) amortization Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Actuarial loss (gain) amortization Defined Benefit Plan, Amortization of Gains (Losses) Transition amount amortization Defined Benefit Plan, Amortization of Transition Obligations (Assets) Periodic benefit costs, net Defined Benefit Plan, Net Periodic Benefit Cost Defined Benefit Plan, Contributions by Employer Defined Benefit Plan, Contributions by Employer Investments [Abstract] Investments Investments and Other Noncurrent Assets [Text Block] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Investment [Axis] Investment [Axis] Investment [Domain] Investment [Domain] Ventura Foods, LLC Ventura Foods, LLC [Member] Ventura Foods, LLC [Member] Major equity investments excluding Ventura Foods [Member] Equity Method Investments, Excluding Ventura Foods [Member] Equity Method Investments, Excluding Ventura Foods [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments Schedule of Equity Method Investments [Table Text Block] Debt Disclosure [Abstract] Notes Payable and Long-Term Debt Long-term Debt [Text Block] Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Effect of changes in NCRA ownership on CHS equities [Abstract] Effect of changes in NCRA ownership on CHS equities [Abstract] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Capital Reserves [Member] Capital Reserves [Member] The cumulative amount of undistributed earnings. [Member] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Commodity and feight derivatives Other Contract [Member] Interest rate swap derivatives Interest Rate Swap [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Inventory, Current, Fair Value Disclosure Inventory, Current, Fair Value Disclosure Inventory, Current, Fair Value Disclosure Commodity and freight derivatives, assets Derivative Assets Foreign Currency Contract, Asset, Fair Value Disclosure Foreign Currency Contract, Asset, Fair Value Disclosure Other assets Other Assets, Fair Value Disclosure Total assets Assets, Fair Value Disclosure Derivative liabilities Derivative Financial Instruments, Liabilities, Fair Value Disclosure Foreign currency derivatives Foreign Currency Contracts, Liability, Fair Value Disclosure Accrued liability for contingent crack spread payments related to purchase of noncontrolling interest Contingent Liability, Fair Value DIsclosure Contingent Liability, Fair Value DIsclosure Total liabilities Liabilities, Fair Value Disclosure Receivables [Abstract] Trade accounts receivable Accounts Receivable, Gross, Current CHS Capital notes receivable Notes, Loans and Financing Receivable, Gross, Current Other Other Receivables, Gross, Current Receivables, gross Accounts, Notes and Loans and Other Receivables, Gross, Current Accounts, Notes and Loans and Other Receivables, Gross, Current Less allowances and reserves Allowance for Doubtful Accounts Receivable, Notes and Loans and Other Receivables, Current Allowance for Doubtful Accounts Receivable, Notes and Loans and Other Receivables, Current Receivables, net Accounts, Notes, Loans and Financing Receivable, Net, Current Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Notes payable Notes payable [Member] Notes Payable [Member] Three-year revolving facilities Three-Year Revolving Facilities [Member] Three-Year Revolving Facilities [Member] Three-year and five-year revolving facilities Three-Year and Five-Year Revolving Facilities [Member] Three-Year and Five-Year Revolving Facilities [Member] CHS Capital notes payable CHS Capital notes payable [Member] CHS Capital notes payable [Member] Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Line of credit Line of Credit [Member] Notes payable, other payables Notes Payable, Other Payables [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving credit facility Revolving Credit Facility [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Notes payable Short-term Bank Loans and Notes Payable Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Receivables Financing Receivables [Text Block] Statement of Other Comprehensive Income [Abstract] Statement [Table] Statement [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accounting Policies [Abstract] Pretax Gains (Losses) On Derivatives Not Accounted For As Hedging Instruments [Table] Component of Other Income, Nonoperating [Table] Commodity and freight derivatives Commodity and Freight Derivatives [Member] Commodity and Freight Derivatives [Member] Foreign exchange derivatives Foreign Exchange Contract [Member] Interest rate derivatives Interest Rate Contract [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of goods sold Cost of Sales [Member] Interest, net Interest Expense [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Pretax gain (loss) on derivative instruments Gain (Loss) on Derivative Instruments, Net, Pretax DEI [Abstract] DEI [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Other Intangible Assets [Member] Other Intangible Assets [Member] Major Maintenance Activities Requiring Shutdown [Member] Major Maintenance Activities Requiring Shutdown [Member] The cost relating to major maintenance activiites (turnarounds) requiring shutdown. Turnaround costs related to the significant overhaul and refurbishment activities include materials and direct labor costs. [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Goodwill Goodwill Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Finite-lived Intangible Assets Acquired Finite-lived Intangible Assets Acquired Amortization of Intangible Assets Amortization of Intangible Assets Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months Finite-Lived Intangible Assets, Amortization Expense, Year Two Finite-Lived Intangible Assets, Amortization Expense, Year Two Finite-Lived Intangible Assets, Amortization Expense, Year Three Finite-Lived Intangible Assets, Amortization Expense, Year Three Finite-Lived Intangible Assets, Amortization Expense, Year Four Finite-Lived Intangible Assets, Amortization Expense, Year Four Finite-Lived Intangible Assets, Amortization Expense, Year Five Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, Rolling after Year Five Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Number of Refineries Number of Refineries Number of Refineries Capitalized Maintenance Expense, Amortization Capitalized Maintenance Expense, Amortization Capitalized Maintenance Expense, Amortization Commitments and Contingencies Disclosure [Abstract] Guarantees [Abstract] Schedule of Guarantor Obligations [Table] Schedule of Guarantor Obligations [Table] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Credit Rating [Axis] Credit Rating [Axis] Credit Rating [Domain] Credit Rating [Domain] Underlying Asset Class [Axis] Underlying Asset Class [Axis] Underlying Asset Class [Domain] Underlying Asset Class [Domain] Guarantor Obligations [Line Items] Guarantor Obligations [Line Items] Guarantor Obligations, Maximum Exposure, Undiscounted Guarantor Obligations, Maximum Exposure, Undiscounted Guarantor Obligations, Current Carrying Value Guarantor Obligations, Current Carrying Value Schedule of Net Periodic Benefit Costs [Abstract] Schedule of Net Periodic Benefit Costs [Abstract] Schedule of Net Benefit Costs of Assumptions Used [Table Text Block] Schedule of Net Benefit Costs of Assumptions Used [Table Text Block] Schedule of Net Benefit Costs of Assumptions Used [Table Text Block] Inventory Disclosure [Abstract] Grain and Oilseed Agricultural Related Inventory, Grain and Oilseed Agricultural Related Inventory, Grain and Oilseed Energy Energy Related Inventory Crop nutrients Agricultural Related Inventory, Plant Material Feed and farm supplies Agricultural Related Inventory, Feed and Supplies Processed grain and oilseed Agricultural Related Inventory, Processed Crops Agricultural Related Inventory, Processed Crops Other Other Inventory, Net Other Inventory, Net Inventories Inventories Inventories of certain merchandisable agricultural commodities are stated at market value. In addition, the Company values certain inventories using the lower of cost, determined by either first-in, first-out (FIFO) or last-in, first-out (LIFO) methods, or market. Inventories Inventory Disclosure [Text Block] Changes in Equity [Abstract] Changes in Equity [Abstract] Schedule of Capitalization, Equity [Table] Schedule of Capitalization, Equity [Table] Capital equity certificates [Member] Capital equity certificates [Member] Capital equity certificates [Member] Capital Reserves [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Schedule of Capitalization, Equity [Line Items] Schedule of Capitalization, Equity [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Stockholders' Equity Attributable to Parent Stockholders' Equity Attributable to Parent Net Income (Loss) Attributable to Parent Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Retirements Of Equities Retirements Of Equities Cash payments associated with equity certificates previously retained by the Company in the members' names. Dividends and equity retirement determination Dividends and equity retirement determination The reversal of dividends and equities payable from the prior fiscal year. Equity Certificates Issued During Period, Value, New Issues Equity Certificates Issued During Period, Value, New Issues Equity impact of the value of new equity certificates issued during the period. Payments of Ordinary Dividends, Preferred Stock and Preference Stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Change in Accrued Dividends and Equities Payable Change in Accrued Dividends and Equities Payable Change in Accrued Dividends and Equities Payable Changes in dividends and equities payable for noncontrolling interests Changes in dividends and equities payable for noncontrolling interests Changes in dividends and equities payable for noncontrolling interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Stockholders' Equity, Other Stockholders' Equity, Other Stockholders' Equity Attributable to Parent Stockholders' Equity Attributable to Noncontrolling Interest Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distributions accrued for noncontrolling interests Distributions accrued for noncontrolling interests Distributions accrued for noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Fair Value Measurements Fair Value Disclosures [Text Block] Equity Method Investee, Name [Axis] Equity Method Investee, Name [Axis] Equity Method Investee, Name [Domain] Equity Method Investee, Name [Domain] Current assets Equity Method Investment, Summarized Financial Information, Current Assets Non-current assets Equity Method Investment, Summarized Financial Information, Noncurrent Assets Current liabilities Equity Method Investment, Summarized Financial Information, Current Liabilities Non-current liabilities Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities Net sales Equity Method Investment, Summarized Financial Information, Revenue Gross profit Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) Net earnings Equity Method Investment, Summarized Financial Information, Net Income (Loss) Earnings attributable to CHS Inc. Income (Loss) from Equity Method Investments Purchase and Sales Contracts Schedule of Derivative Instruments, Purchase and Sales Contracts [Table Text Block] Schedule of Derivative Instruments, Purchase and Sales Contracts [Table Text Block] Schedule of Derivative Assets and Liabilities Not Designated as Hedging Instruments Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Derivative Instruments, Gain (Loss) in Consolidated Statements of Operations Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Statement of Financial Position [Abstract] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Assets [Abstract] Assets [Abstract] Current assets [Abstract] Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Receivables Inventories Derivative assets Derivative Assets, Current Margin deposits Margin Deposit Assets Other current assets Other Assets, Current Total current assets Assets, Current Investments Investments Property, plant and equipment Property, Plant and Equipment, Net Other assets Other Assets, Noncurrent Total assets Assets Liabilities and Equity [Abstract] Liabilities and Equity [Abstract] Current liabilities [Abstract] Liabilities, Current [Abstract] Current portion of long-term debt Long-term Debt, Current Maturities Current portion of mandatorily redeemable noncontrolling interest Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Current Customer margin deposits and credit balances Customer Margin Deposits And Credit Balances The amount of cash or securities from customers in exchange for a trading or derivatives position and the amount of credit customers have avaiilable on open accounts. Customer advance payments Customer Advances, Current Checks and drafts outstanding Checks and Drafts Outstanding Outstanding checks and drafts, the liability that represents checks that have been issued but that have not cleared. Accounts payable Accounts Payable, Current Derivative liabilities Derivative Liabilities, Current Accrued expenses Accrued Liabilities, Current Dividends and equities payable Dividends and equities payable Dividends payable on preferred stock, the cash portion of patronage dividends payable to members, and the retirement of equity certificates payable to members. Total current liabilities Liabilities, Current Long-term debt Long-term Debt, Excluding Current Maturities Mandatorily redeemable noncontrolling interest Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent Other liabilities Other Liabilities, Noncurrent Commitments and contingencies Commitments and Contingencies Equities: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity certificates Equity Certificates Non-cash portion of patronage dividends retained by the Company in the members' names. Preferred stock Preferred Stock, Value, Issued Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Capital reserves Capital Reserves The cumulative amount of undistributed earnings. Total CHS Inc. equities Noncontrolling interests Total equities Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equities Liabilities and Equity Consolidation, Policy [Policy Text Block] Consolidation, Policy [Policy Text Block] Derivative Financial Instruments and Hedging Activities Derivatives, Policy [Policy Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] CHS [Member] CHS [Member] CHS [Member] Minimum Maximum Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Notes Receivable, Short-Term Accounts, Notes, Loans and Financing Receivable, Net, Current [Abstract] CHS Capital short-term notes receivable, term Notes and Loans Receivable, Current, Term Notes and Loans Receivable, Current, Term Notes and Loans Receivable, Net, Noncurrent, Term Notes and Loans Receivable, Net, Noncurrent, Term Notes and Loans Receivable, Net, Noncurrent, Term Notes Receivable, Long-Term Accounts, Notes, Loans and Financing Receivable, Net, Noncurrent [Abstract] CHS Capital long-term notes receivable Notes Receivable, Net, Noncurrent Notes Receivable, Net, Noncurrent Percentage of commercial notes to CHS Capital long-term notes receivable Commercial Notes to Notes and Loans Receivable, Net, Noncurrent, Percentage Commercial Notes to Notes and Loans Receivable, Net, Noncurrent, Percentage Percentage of producer notes to CHS Capital long-term notes receivable Producer Notes to Notes and Loans Receivable, Net, Noncurrent, Percentage Producer Notes to Notes and Loans Receivable, Net, Noncurrent, Percentage Interest income accrual, discontinue, term Interest Income Accrual, Discontinued, Term Interest Income Accrual, Discontinued, Term CHS Capital long-term notes receivable additional available credit of counterparty Notes and Loans Receivables, Net, Noncurrent, Remaining Borrowing Capacity of Counterparty Notes and Loans Receivables, Net, Noncurrent, Remaining Borrowing Capacity of Counterparty Income Statement [Abstract] Revenues Revenues Cost of goods sold Cost of Goods Sold Gross profit Gross Profit Marketing, general and administrative Selling, General and Administrative Expense Operating earnings Operating Income (Loss) Loss (gain) on investments Gain (Loss) on Investments Interest, net Interest Income (Expense), Net Equity income from investments Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income taxes Income Tax Expense (Benefit) Net income Net income attributable to CHS Inc. Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Interest,Net Schedule of Interest, net [Table Text Block] Schedule of Interest, net [Table Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Equity [Abstract] Schedule of Stockholders Equity [Table Text Block] Schedule of Stockholders Equity [Table Text Block] Effect of changes in NCRA ownership on CHS equities Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liability Class [Axis] Liability Class [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Accrued liability for contingent crack spread payments related to purchase of noncontroling interests Contingent Liability [Member] Contingent Liability [Member] Cost of Goods, Total Cost of Goods, Total [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Balance Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Total gains or losses included in cost of goods sold and net interest Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Balance Interest expense Interest Expense Interest-purchase of NCRA noncontrolling interest Interest Purchase of NCRA Noncontrolling Interest Interest Purchase of NCRA Noncontrolling Interest Interest Costs Capitalized Interest Costs Capitalized Interest income Interest Income, Other Interest Income (Expense), Net Fair Value Inputs, Liabilities, Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value, Inputs, Level 3 Average Weighted Average [Member] Fair Value Inputs, Assets, Quantitative Information [Line Items] Fair Value Inputs, Assets, Quantitative Information [Line Items] Forward crack spread margin Fair Value Inputs, Forward Crack Spread Margin Quotes and Management Estimates Based on Future Settlement Fair Value Inputs, Forward Crack Spread Margin Quotes and Management Estimates Based on Future Settlement Contractual target crack spread margin (in dollars per share) Fair Value Inputs, Minimum Contractual Settlement Threshold Fair Value Inputs, Target Crack Spread Margin Minimum Contractual Settlement Threshold Expected volatility Fair Value Assumptions, Expected Volatility Rate Own credit risk Fair Value Assumptions, Risk Free Interest Rate Expected life (years) Fair Value Assumptions, Expected Term Percentage of LIFO inventory Percentage of LIFO Inventory LIFO inventory, difference amount had FIFO inventory valuation method been used LIFO Inventory, Difference Amount had FIFO Inventory Valuation Method Been Used LIFO Inventory, Difference Amount had FIFO Inventory Valuation Method Been Used Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Growmark [Member] Growmark [Member] Growmark [Member] MFA [Member] MFA [Member] MFA [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] National Cooperative Refinery Association [Member] National Cooperative Refinery Association [Member] National Cooperative Refinery Association [Member] Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage Business Combination, Step Acquisition, Amount Business Combination, Step Acquisition, Amount Business Combination, Step Acquisition, Amount Business Combination, Step Acquisition, First Closing, Equity Interest in Acquiree, Percentage Business Combination, Step Acquisition, First Closing, Equity Interest in Acquiree, Percentage Business Combination, Step Acquisition, First Closing, Equity Interest in Acquiree, Percentage Ownership percentage Equity Method Investment, Ownership Percentage Equity value exceeding carrying value Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Business Segments [Axis] Business Segments [Axis] Segment [Domain] Segment [Domain] Ag Business Ag Business [Member] Ag Business [Member] Corporate and Other Corporate and Other [Member] TEMCO, LLC TEMCO, LLC [Member] TEMCO, LLC [Member] Horizon Milling, LLC Horizon Milling, LLC [Member] Horizon Milling, LLC [Member] Ownership in equity method investment Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative Assets Derivative Asset, Fair Value, Gross Asset Derivative Liabilities Derivative Liability, Fair Value, Gross Liability Fair Value Measurements, Recurring and Nonrecurring Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Fair Value Inputs, Liabilities, Quantitative Information Fair Value Inputs, Liabilities, Quantitative Information [Table Text Block] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Amortization of deferred major repair costs Amortization of Deferred Major Repair Costs Amortization of deferred costs associated with major maintenance at refineries to overhaul, repair, inspect and replace process materials and equipment. Income from equity investments Distributions from equity investments Proceeds from Equity Method Investment, Dividends or Distributions Noncash patronage dividends received Noncash patronage dividends received Noncash portion of patronage dividends received from other coorperatives Gain on sale of property, plant and equipment Gain (Loss) on Sale of Property Plant Equipment Loss (gain) on investments Gain (Loss) on Sale of Investments Loss on crack spread contingent liability Gain Loss on Crack Spread Contingent Liability The gain or loss associated with changes in the fair value of the crack spread contingent liability. Deferred taxes Deferred Income Tax Expense (Benefit) Other, net Other Operating Activities, Cash Flow Statement Changes in operating assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Receivables Increase (Decrease) in Receivables Inventories Increase (Decrease) in Inventories Derivative assets Increase Decrease in Derivative Asset The increase (decrease) during the period in the carrying value of derivative instruments reported as assets. Margin deposits Increase (Decrease) in Margin Deposits Outstanding Other current assets and other assets Increase (Decrease) in Other Operating Assets Customer margin deposits and credit balances Increase Decrease in Customer Margin Deposits and Credit Balances The increase (decrease) during the reporting period of customer margin deposits and credit balances. Customer advance payments Increase (Decrease) in Customer Advances Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Derivative liabilities Increase Decrease in Derivative Liability The increase (decrease) during the period in the carrying value of derivative instruments reported as liabilities. Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Acquisition of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from disposition of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Expenditures for major repairs Expenditures for Major Repairs Payments for planned major maintenance at refineries to overhaul, repair, inspect and replace process materials and equipment. Investments in joint ventures and other Payments to Acquire Investments Investments redeemed Proceeds from Sale, Maturity and Collection of Investments Changes in notes receivable Payments for (Proceeds from) Loans Receivable Business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Other investing activities, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Changes in notes payable Increase (Decrease) in Notes Payable, Current Principal payments Repayments of Long-term Debt Mandatorily redeemable noncontrolling interest payments Payments for Repurchase of Redeemable Noncontrolling Interest Payments for bank fees Payments of Debt Issuance Costs Changes in checks and drafts outstanding Increase (Decrease) in Outstanding Checks, Financing Activities Distributions to noncontrolling interests Payments of Ordinary Dividends, Noncontrolling Interest Preferred stock dividends paid Other financing activities, net Proceeds from (Payments for) Other Financing Activities Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net (decrease) increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax (expense) benefit Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax Other Comprehensive Income (Loss), Available-for-sale Securities, Tax expense (benefit) Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax expense (benefit) Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax expense (benefit) Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Equities Stockholders' Equity Note Disclosure [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Energy Energy [Member] Energy [Member] Reconciling Amounts Significant Reconciling Items [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Gross profit Operating earnings Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Intersegment Revenue Segment Reporting Information, Intersegment Revenue Capital expenditures Total identifiable assets Purchase and Sales Contracts [Table] Commodity Contract Commodity Contract [Member] Purchase Contracts Purchase Contracts [Member] Purchase Contracts [Member] Sales Contracts Sales Contracts [Member] Sales Contracts [Member] Purchase and Sales Contracts [Line Items] Derivative [Line Items] Grain and oilseed - bushels Derivative, Number of Units, Grain and Oilseed Contracts Derivative, Number of Units, Grain and Oilseed Contracts Energy products - barrels Derivative, Number of Units, Energy Products Contracts Derivative, Number of Units, Energy Products Contracts Soy products - tons Derivative Number Of Units Soy Products Contracts Derivative Number Of Units Soy Products Contracts Crop nutrients - tons Derivative, Number of Units, Crop Nutrients Contracts Derivative, Number of Units, Crop Nutrients Contracts Ocean and barge freight - metric tons Derivative, Number of Units, Cargo and Freight Contract Derivative, Number of Units, Cargo and Freight Contract Schedule of Inventory, Current Schedule of Inventory, Current [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]