Entity Listings [Table] Entity Listings [Table] Gross receivables Accounts, Notes and Loans and Other Receivables, Gross, Current Accounts, Notes and Loans and Other Receivables, Gross, Current Statistical Measurement [Domain] Statistical Measurement [Domain] Schedule of Notional Volumes for Commodity Contracts Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Schedule of Notes Payable Schedule of Short-Term Debt [Table Text Block] Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Restricted cash Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] Producer Ag Producer Ag [Member] Producer Ag 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 available on open accounts. Entity File Number Entity File Number Equity income from investments Equity (income) losses from investments Income (Loss) from Equity Method Investments Tabular List, Table Tabular List [Table Text Block] Tax effect Other Comprehensive Income (Loss), Tax Percentage of commercial notes to total notes receivable Commercial Notes To Notes And Loans Receivable, Net, Percentage Commercial Notes To Notes And Loans Receivable, Net, Percentage Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Purchases of short-term investments Payments to Acquire Short-Term Investments Total Reportable Segments Reportable Segment, Aggregation before Other Operating Segment [Member] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Outstanding guarantees allowed by bank covenants Guarantor Obligations, Maximum Exposure, Undiscounted Dividends and equity 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. Position [Axis] Position [Axis] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Other Other Assets, Miscellaneous, Current Liabilities Liabilities, Fair Value Disclosure [Abstract] Preferred stock dividends declared (in dollars per share) Preferred Stock, Dividends Per Share, Declared Revenues Revenue from Contract with Customer [Text Block] Preferred stock dividends paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Stock, Class of Stock [Table] Stock, Class of Stock [Table] Other comprehensive income (loss), net of tax Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk percentage (less than) Concentration Risk, Percentage Pension Benefits Pension Plan [Member] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Derivative liabilities Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Total CHS Inc. equities Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Hedging Designation [Domain] Hedging Designation [Domain] Current assets: Assets, Current [Abstract] Total liabilities and equities Liabilities and Equity Pension and Other Postretirement Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] LIABILITIES AND EQUITIES Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Equity Method Investment [Table] Equity Method Investment [Table] Net (loss) income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Capital expenditures Segment, Expenditure, Addition to Long-Lived Assets Accounting Policies [Abstract] Accounting Policies [Abstract] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Aggregate notional amount of cash flow hedges (in barrels) Notional amount, volume Derivative, Nonmonetary Notional Amount, Volume (Loss) income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from disposition of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Operating Segments Operating Segments [Member] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Contributions to the pension plans Defined Benefit Plan, Plan Assets, Contributions by Employer Comprehensive (loss) income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Axis] Comprehensive (loss) income attributable to CHS Inc.  Comprehensive Income (Loss), Net of Tax, Attributable to Parent Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Securities Segregated under Other Regulations Securities Segregated under Other Regulations Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Name Measure Name Retirement Plan Tax Status [Domain] Retirement Plan Tax Status [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Cash patronage dividends paid Cash Patronage Dividends Paid The cash portion of patronage dividends paid to members. Award Timing Method Award Timing Method [Text Block] Estimated cash patronage refunds Patronage Refunds, Estimated Patronage Refunds, Estimated Award Type Award Type [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Foreign Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Amounts outstanding Long-term debt Long-Term Debt Investments Investments and Other Noncurrent Assets [Text Block] Total assets Assets Equity Method Investee, Name [Domain] Investment, Name [Domain] Energy Energy [Member] Energy [Member] Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Receivable Type [Axis] Receivable Type [Axis] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Concentration Risk Type [Axis] Concentration Risk Type [Axis] Inventories Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Term of long-term notes receivable Notes And Loans Receivable, Non Current, Net, Term Notes and Loans Receivable, Net, Non-Current, Term Assets Assets, Fair Value Disclosure [Abstract] Cumulative undistributed earnings from equity method investees Cumulative undistributed earnings from equity method investees Cumulative undistributed earnings from equity method investees Entity Emerging Growth Company Entity Emerging Growth Company Amounts Not Offset on Condensed Consolidated Balance Sheet but Eligible for Offsetting, Derivative Instruments Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Other investments Other Investments Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Amounts Not Offset on Condensed Consolidated Balance Sheet but Eligible for Offsetting, Cash Collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Pretax gains (losses) recorded in other comprehensive income relating to cash flow hedges Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax Notes payable Short-Term Bank Loans and Notes Payable Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Deferred financing costs Debt Issuance Costs, Net Equity method investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Other current assets Other Assets, Current [Abstract] Other Assets, Current Provision for current expected credit losses Accounts Receivable, Credit Loss Expense (Reversal) Other assets Other Assets, Fair Value Disclosure PEO PEO [Member] Repurchase Facility Repurchase Facility [Member] Repurchase Facility [Member] Processed grain and oilseed Agricultural Related Inventory, Processed Crops Agricultural Related Inventory, Processed Crops Schedule of Disaggregation of Revenues Disaggregation of Revenue [Table Text Block] Distribution of patronage refunds Patronage Refunds Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] CF Industries Nitrogen, LLC CF Nitrogen LLC [Member] CF Nitrogen LLC [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Term loan Unsecured Term Loans [Member] Unsecured Term Loans Capital Reserves Retained Earnings [Member] CHS Capital Notes Receivable CHS Capital Notes Receivable [Member] CHS Capital Notes Receivable [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash and cash equivalents and restricted cash at beginning of period Cash and cash equivalents and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Derivative assets Derivative Asset Redemptions of equities Equity Certificates Repurchased and Retired During Period, Value Equity impact of the value of equity certificates that has been repurchased and retired during the period. Income tax (benefit) expense Income Tax Expense (Benefit) Long-term derivative Liabilities Derivative Liability, Noncurrent Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Hedging Relationship [Axis] Hedging Relationship [Axis] Cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Net (loss) income Net (loss) income Net income Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total Liabilities, Fair Value Disclosure Notional amount of derivative contracts Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Class B Cumulative Redeemable Preferred Stock, Series 4 Class B Cumulative Redeemable, Series 4 Class B, Series 4 Preferred Stock [Member] Class B, Series 4 Preferred Stock [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization City Area Code City Area Code Business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Other income Other losses (income) Other Nonoperating Income All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accrued expenses Accrued Liabilities, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] ASC Topic 815 ASC Topic 815 [Member] ASC Topic 815 Energy products (barrels) Energy products [Member] Energy products [Member] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Debt instrument term Debt Instrument, Term Debt securities available for sale Debt Securities, Available-for-Sale, Excluding Accrued Interest Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Schedule of Pretax Gains (Losses) Recorded in Other Comprehensive Income (Loss) Relating to Cash Flow Hedges Cash flow hedge gain (loss) recorded in other comprehensive income [Table Text Block] Cash flow hedge gain (loss) recorded in other comprehensive income Grains Grains [Member] Grains Actuarial loss (gain) amortization Defined Benefit Plan, Amortization of Gain (Loss) Marketing, general and administrative expenses Selling, General and Administrative Expenses [Member] Cost of goods sold Cost of Sales [Member] Cash Flow Hedging Cash Flow Hedging [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Other current liabilities Other Liabilities Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Money market funds Money Market Funds [Member] Gross Amount Recognized Derivative Liabilities Derivative Liability, Subject to Master Netting Arrangement, before Offset Equity Components [Axis] Equity Components [Axis] Foreign Non-US [Member] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Benefit plans Compensation and Employee Benefit Plans [Text Block] Basis of Presentation and Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Ventura Foods, LLC Ventura Foods, LLC [Member] Ventura Foods, LLC [Member] Total current liabilities Liabilities, Current Capitalized interest Interest Costs Capitalized Adjustment Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Property, plant, and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Consideration received on exit of joint venture as a percentage of net assets and amounts previously owed Equity Method Investment, Consideration Received On Disposal, Percentage of Net Assets And Prior Amounts Owed Equity Method Investment, Consideration Received On Disposal, Percentage of Net Assets And Prior Amounts Owed Grain and oilseed Agricultural Related Inventory, Grain and Oilseed Agricultural Related Inventory, Grain and Oilseed Other current assets Total other current assets Other Assets, Current Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Long-term derivative assets Derivative Asset, Noncurrent Ardent Mills, LLC Ardent Mills LLC [Member] Ardent Mills LLC [Member] Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Corporate and Services Other Operating Segment [Member] Uncommitted Uncommitted [Member] Uncommitted Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Equity [Abstract] Equity [Abstract] Segment Reporting Segment Reporting Disclosure [Text Block] 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] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Current portion of long-term debt Less current portion Long-Term Debt and Lease Obligation, Current Notional amount, mass Derivative, Nonmonetary Notional Amount, Mass Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Schedule of Net Periodic Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Processed grain and oilseed (tons) Soy product contracts [Member] Soy product contracts [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Marketing, general and administrative expenses Selling, General and Administrative Expense Number of continents where the company operates Number Of Continents In Which Entity Operates Number Of Continents In Which Entity Operates Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Depreciation and amortization, including amortization of deferred major maintenance Depreciation and amortization Depreciation, Depletion and Amortization Shareholders' Equity [Line Items] Shareholders' Equity [Line Items] Shareholders' Equity Long-term notes receivable Financing Receivable, after Allowance for Credit Loss, Noncurrent Other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Revenues Total Revenues Net sales Revenues Pretax gains (losses) on derivatives not accounted for as hedging instruments Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Energy Energy Related Inventory Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Changes in Equities Schedule of Stockholders Equity [Table Text Block] Revolving credit facility Revolving Credit Facility [Member] Defined Benefit Plan [Table] Defined Benefit Plan [Table] Finance lease liabilities Finance Lease, Liability Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Nonqualified Nonqualified Plan [Member] Customer advance payments Customer Advance Payments Customer Advance Payments Contract liabilities Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Schedule of Fair Value of Commodity Derivatives Designated as Cash Flow Hedges Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Other Other Inventory, Net of Reserves Exercise Price Award Exercise Price Estimated equity redemptions Equity Redemptions, Estimate Equity redemptions, estimate Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Notional amount, energy measure Derivative, Nonmonetary Notional Amount, Energy Measure Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Trade accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Revenue Recognition Timing Risk Revenue Recognition Timing Risk [Member] Revenue Recognition Timing Risk Other investing activities, net Payment for (Proceeds from) Other Investing Activity Other, net Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Capital Equity Certificates Capital equity certificates [Member] Capital equity certificates [Member] Long Long [Member] ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Components of net periodic benefit costs: Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Debt Instrument [Axis] Debt Instrument [Axis] Fair Value Measurements Fair Value Disclosures [Text Block] Time deposits Bank Time Deposits [Member] Qualified Qualified Plan [Member] Amounts reclassified Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Credit Facility [Domain] Credit Facility [Domain] Current derivative liabilities Derivative liabilities (Note 11) Derivative Liability, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Class B Reset Rate Cumulative Redeemable Preferred Stock, Series 2 Class B Reset Rate Cumulative Redeemable, Series 2 Class B, Series 2 Preferred Stock [Member] Class B, Series 2 Preferred Stock [Member] Entity Address, Address Line One Entity Address, Address Line One Accumulated Other Comprehensive Loss Total AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Derivative Financial Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Proceeds from sale and maturity of short-term and other investments Proceeds from Sale and Maturity of Other Investments Prior service (credit) cost amortization Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Schedule of Dividends Declared Per Share for Preferred Stock Schedule of Stock by Class [Table Text Block] Gross Amount Recognized Derivative Assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Five-Year Revolving Facilities Five-Year Revolving Facilities [Member] Five-Year Revolving Facilities [Member] Schedule of Long-term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Entity Listings [Line Items] Entity Listings [Line Items] Document Quarterly Report Document Quarterly Report Total Assets, Fair Value Disclosure Nonpatronage Equity Certificates Nonpatronage Equity Certificates [Member] Nonpatronage Equity Certificates [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Reconciling Amounts Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Interest cost Defined Benefit Plan, Interest Cost Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Investments Total investments Investments Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Amount Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction 8% Cumulative Redeemable Preferred Stock 8% Cumulative Redeemable 8% Preferred Stock [Member] CHS 8% Preferred Stock [Member] Restatement Determination Date: Restatement Determination Date [Axis] Reconciliation of gross and net fair value of assets and liabilities subject to offsetting arrangements [Line Items] Reconciliation of gross and net fair value of assets and liabilities subject to offsetting arrangements [Line Items] Reconciliation of gross and net fair value of assets and liabilities subject to offsetting arrangements [Line Items] Non-PEO NEO Non-PEO NEO [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Position [Domain] Position [Domain] Other financing activities, net Proceeds from (Payment for) Other Financing Activity Preferred stock dividend rate Preferred Stock, Dividend Rate, Percentage Interest expense Interest Expense, Debt Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Other equity method investments Nonconsolidated Investees, Other [Member] Schedule of Gross Fair Values of Derivative Assets Along with Related Amounts Permitted to be Offset Offsetting Assets [Table Text Block] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Pretax gains reclassified from accumulated other comprehensive loss Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Changes in CHS Capital notes receivable, net Payments for (Proceeds from) Loans Receivable Short-Term Debt [Table] Short-Term Debt [Table] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Foreign exchange derivatives Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized related to contract liabilities Contract with Customer, Liability, Revenue Recognized Retirement Plan Type [Domain] Retirement Plan Type [Domain] Preferred Stock Preferred Stock [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Amounts Not Offset on Condensed Consolidated Balance Sheet but Eligible for Offsetting, Derivative Instruments Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Long-term portion Long-Term Debt and Lease Obligation Financial Instruments [Domain] Financial Instruments [Domain] Segment [Domain] Segments [Domain] Schedule of Pretax Gains (Losses) Related to Cash Flow Hedges Reclassified from Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Inventories Increase (Decrease) in Inventories Inventories Total inventories Inventory, Net Minimum Minimum [Member] Net Amount Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Amounts Not Offset on Condensed Consolidated Balance Sheet but Eligible for Offsetting, Cash Collateral Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Total long-term debt Long-Term Debt and Lease Obligation, Including Current Maturities Notes Payable and Long-Term Debt Debt Disclosure [Text Block] Preferred stock Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Total other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax All Executive Categories All Executive Categories [Member] Equity income from investments, net of distributions received Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and contingencies (Note 13) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Grain and oilseed (bushels) Grain and oilseed contracts [Member] Grain and oilseed contracts [Member] Agronomy Agronomy [Member] Agronomy Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Other Other Long-Term Debt Percentage of producer notes to total notes receivable Producer Notes To Notes And Loans Receivable, Net, Percentage Producer Notes To Notes And Loans Receivable, Net, Percentage Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Noncontrolling Interests Noncontrolling Interest [Member] Document Transition Report Document Transition Report Ownership percentage Equity Method Investment, Ownership Percentage Underlying Securities Award Underlying Securities Amount Short-Term Debt [Line Items] Short-Term Debt [Line Items] Amounts before reclassifications Other Comprehensive Income (Loss), before Reclassifications, before Tax Equity Component [Domain] Equity Component [Domain] Expenditures for major maintenance Expenditures for Major Repairs Payments for planned major maintenance at refineries to overhaul, repair, inspect and replace process materials and equipment. 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Net Income (Loss) Attributable to Parent Nonqualified Equity Certificates Non-qualified Equity Certificates [Member] Non-qualified Equity Certificates [Member] Intersegment Eliminations Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Shareholders' Equity [Table] Shareholders' Equity [Table] Shareholders' Equity Other, net Increase (Decrease) in Other Operating Liabilities Equities: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Natural gas (metric million Btu) Natural gas contracts [Member] Natural gas contracts [Member] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Schedule of Equity Method Investments Equity Method Investments [Table Text Block] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenue not under ASC Topic 606 Revenue Not from Contract with Customer Adoption Date Trading Arrangement Adoption Date Percentage of LIFO inventory Percentage of LIFO Inventory Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Current Reporting Status Entity Current Reporting Status Schedule of Investments Investment Holdings, Schedule of Investments [Table Text Block] Receivables [Abstract] Receivables [Abstract] Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Operating loss Operating Income (Loss) Line of Credit Line of Credit [Member] Amount by which inventories would have been higher had FIFO inventory valuation method been used Inventory, LIFO Reserve Schedule of Gross Fair Values of Liabilities Along with Related Amounts Permitted to be Offset Offsetting Liabilities [Table Text Block] Capital reserves Retained Earnings (Accumulated Deficit) Maximum guarantees allowed by bank covenants Maximum Guarantees Allowed By Bank Covenants Maximum Guarantees Allowed By Bank Covenants Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Transferred over Time Transferred over Time [Member] Other comprehensive income (loss), net of tax: Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Agronomy Agricultural Related Inventory, Plant Material Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Schedule of Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Derivative Liability Derivative Liability Deferred taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] CHS Capital short-term notes receivable Financing Receivable, before Allowance for Credit Loss, Current Crop nutrients (tons) Crop nutrients contracts [Member] Crop nutrients contracts Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Proceeds from notes payable and long-term debt Proceeds From Lines Of Credit And Long-Term Borrowings Proceeds From Lines Of Credit And Long-Term Borrowings Other Other Receivables, Gross, Current All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Other current liabilities Other Liabilities, Current [Abstract] Termination Date Trading Arrangement Termination Date Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Receivable [Domain] Receivable [Domain] Redemptions of equities Payments for Repurchase of Other Equity Cost of goods sold Cost of Product and Service Sold Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Class B Cumulative Redeemable Preferred Stock, Series 1 Class B Cumulative Redeemable, Series 1 Class B, Series 1 Preferred Stock [Member] Class B, Series 1 Preferred Stock [Member] Reconciliation of gross and net fair value of assets and liabilities subject to offsetting arrangements [Table] Reconciliation of gross and net fair value of assets and liabilities subject to offsetting arrangements [Table] Reconciliation of gross and net fair value of assets and liabilities subject to offsetting arrangements [Table] Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Short Short [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Schedule of Pretax Gains (Losses) on Derivatives Not Accounted for as Hedging Instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Current derivative assets Derivative assets (Note 11) Derivative Asset, Current Total Shareholder Return Amount Total Shareholder Return Amount Schedule of Recurring Fair Value Measurements Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Receivables Total receivables Accounts and Financing Receivable, after Allowance for Credit Loss, Current Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Payments on notes payable, long-term debt and finance lease obligations Payments On Lines Of Credit, Long-Term Debt And Capital Lease Obligations Payments on lines of credit, long term debt and capital lease obligations Property, plant, and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization [Abstract] Receivables Financing Receivables [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Equity certificates Equity Certificates Non-cash portion of patronage dividends retained by the Company in the members' names. Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Total other current liabilities Other Liabilities, Current Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent 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 Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Total available under securitization facility Loan, Held-in-Portfolio, Principal Outstanding Decrease in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Class B Reset Rate Cumulative Redeemable Preferred Stock, Series 3 Class B Reset Rate Cumulative Redeemable, Series 3 Class B, Series 3 Preferred Stock [Member] Class B, Series 3 Preferred Stock [Member] Additional available credit for CHS Capital customers Notes and Loans Receivables, Net, Noncurrent, Remaining Borrowing Capacity of Counterparty Notes and Loans Receivables, Net, Noncurrent, Remaining Borrowing Capacity of Counterparty