Amendment Flag Current Fiscal Year End Date Document Period End Date Entity [Domain] Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Legal Entity [Axis] Document Type Financial Highlights Additional Financial Information Disclosure [Text Block] Total Assets Assets, Fair Value Disclosure ASSETS Assets [Abstract] Total Assets Assets Assets [Abstract] Assets, Fair Value Disclosure [Abstract] Restricted and Unrestricted Cash Cash and Cash Equivalents Disclosure [Text Block] Unrestricted cash Restricted and Unrestricted Cash [Abstract] Commodity [Member] Commodity Contract [Member] Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Gross amounts offset in the statement of financial condition Derivative Liability, Fair Value, Gross Asset Derivative [Line Items] Derivatives and Hedging Derivative Instruments and Hedging Activities Disclosure [Text Block] Gross amounts offset in the statements of financial condition Derivative Asset, Fair Value, Gross Liability Derivatives [Table] Derivatives and Hedging [Abstract] Gross amounts recognized Derivative Asset, Fair Value, Gross Asset Net amounts presented in the statement of financial condition Derivative Liability, Fair Value, Amount Not Offset Against Collateral Gross amounts recognized Derivative Liability, Fair Value, Gross Liability Net unrealized gain/(loss) on open contracts Net fair value Total net unrealized gain (loss) on open contracts Derivative, by Nature [Axis] Net amounts presented in the statement of financial condition Derivative Asset, Fair Value, Amount Not Offset Against Collateral Average number of contracts outstanding Derivative, Name [Domain] Derivative Contract Type [Domain] Fair Value [Line Items] Accrued brokerage fees (MS&Co.) NET INCOME (LOSS) PER UNIT Equity [Member] Equity Contract [Member] Measurement Frequency [Axis] Fair Value, Hierarchy [Axis] Fair Value Measured on a Recurring Basis [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Measurement Frequency [Domain] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Measurements and Disclosures [Abstract] Fair Value Measurements and Disclosures Fair Value Disclosures [Text Block] Significant Unobservable Inputs (Level 3) [Member] Fair Value, Inputs, Level 3 [Member] Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Financial Instruments Financial Instruments Disclosure [Text Block] Interest Rate [Member] Fixed Income Interest Rate [Member] Brokerage fees (MS&Co.) Unrealized currency gain (loss) Foreign Currency Transaction Gain (Loss), Unrealized Foreign Currency [Member] Foreign Exchange [Member] Foreign Currency [Member] Foreign Exchange Contract [Member] Forward Contracts [Member] Futures [Member] Futures and Forward Contracts [Member] Future Contract [Member] Future Contracts [Member] Trading results Gain (Loss) on Derivative Instruments Held for Trading Purposes, Net General Partner [Member] General Partner (46,275.055 and 46,275.055 Units, respectively) General Partner, Units (in units) Statements of Income and Expenses [Abstract] Income Taxes Income Tax Disclosure [Text Block] Income Taxes [Abstract] Increase/(decrease) in Partners' Capital [Roll Forward] Interest receivable (MS&Co.) Interest Rate Contract [Member] Interest income (MS&Co.) INVESTMENT INCOME Investment Secondary Categorization [Axis] Investment Type Categorization [Domain] Net unrealized gain/(loss) on open contracts Net unrealized gains (losses) on open contracts Net unrealized loss on open contracts (MS&Co.) Investment Holdings [Line Items] Investment Type [Axis] Investment Holdings [Table] Percentage of Partners' Capital (in hundredths) Investments by Secondary Categorization [Domain] Financial Instruments [Abstract] Total Liabilities Liabilities, Fair Value Disclosure Liabilities: Total Liabilities Liabilities LIABILITIES AND PARTNERS' CAPITAL LIABILITIES AND PARTNERS' CAPITAL Liabilities [Abstract] Liabilities, Fair Value Disclosure [Abstract] Total Liabilities and Partners' Capital Liabilities and Equity Limited Partners [Member] Limited Partner [Member] Limited Partners, Units (in units) Limited Partners (2,920,836.162 and 3,334,569.082 Units, respectively) Organization Nature of Operations [Text Block] Total Trading Results Net Realized and Unrealized Gain (Loss) on Trading Securities Limited Partners Net Income (Loss) Allocated to Limited Partners General Partner (in dollars per unit) General Partner Net Income (Loss) Allocated to General Partners Limited Partners (in dollars per unit) Net Income (Loss) (in dollars per unit) NET INCOME (LOSS) Net Income Net Income (Loss) Attributable to Parent Management fees EXPENSES Total Expenses Operating Expenses Options Contracts [Member] Options Held [Member] Organization [Abstract] Statement, Partner Capital Components [Axis] Partner Capital Components [Domain] Redemptions Partners' Capital Account, Redemptions Total Partners' Capital Partners' Capital Partners' Capital Partners' Capital Partners' Capital: Partners' Capital [Abstract] Partners' Capital [Abstract] Partner's Capital (in units) Partners' Capital (in units) Partners' Capital Account, Units Redemptions (in units) Partners' Capital Account, Units, Redeemed NET INCOME (LOSS) ALLOCATION Redemptions payable Net realized Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transactions [Abstract] Restricted cash Assets and Liabilities Measured at Fair Value on a Recurring Basis Condensed Schedule of Investments [Abstract] Schedule of Effect of Trading Activities on the Statements of Income and Expenses Statement [Table] Statement [Line Items] Statement of Changes in Partners' Capital [Abstract] STATEMENTS OF FINANCIAL CONDITION (Unaudited) [Abstract] Subsequent Events Subsequent Events [Text Block] Subsequent Events [Abstract] Subsequent Event Type [Domain] Subsequent Event [Line Items] Subsequent Event Type [Axis] Subsequent Event [Table] Subsequent Event [Member] Net realized Trading Securities, Realized Gain (Loss) Net change in unrealized Trading Securities, Change in Unrealized Holding Gain (Loss) Net Unrealized Gain (Loss) on Open Contracts Unrealized Gain (Loss) on Investments [Table Text Block] Net change in unrealized WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING (in units) Futures and Forward Contracts [Abstract] The gross amount of unrealized gains for open contract securities, before unrealized currency gains (losses), at a point in time. Unrealized Gain Unrealized gain Effect of Trading Activities on Statements of Income [Abstract] The aggregate fair value amount of unrealized currency gain (loss) for open contract securities owned, at a point in time. Unrealized currency gain loss, fair value Unrealized currency gain (loss) Unrealized currency loss A contract sold. Contracts Sold [Member] Short [Member] A purchased contract. Contracts Purchased [Member] Long [Member] The gross amount of unrealized loss for open contract securities, before unrealized currency gains (losses), at a point in time. Unrealized Loss Unrealized loss Disclosures pertaining to derivative instruments and hedging activities. Derivative Instruments And Hedging Activities Disclosure [Table] Derivative instruments and hedging activities disclosure [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Summary Of Tabular Disclosures For Derivative Instruments And Hedging Activities Disclosure [Line Items] Derivative Instruments and Hedging Activities, Disclosures [Line Items] Tabular disclosure of derivative and other financial assets that are subject to offsetting, including master netting arrangements. Offsetting Of Derivative Assets And Liabilities [Text Block] Offsetting Of Derivative Assets And Liabilities Tabular disclosure of derivative instruments included in an entity's trading activities that Effect the Statements of Financial Condition. Schedule of Effect of Trading Activities on the Statements of Financial Condition [Text Block] Schedule of Effect of Trading Activities on the Statements of Financial Condition Percent of net assets at close of period related to unrealized currency gain (loss). Unrealized Currency Gain Percentage of Partners' Capital Unrealized currency loss percentage of Partners' Capital (in hundredths) Forward contracts are negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Future contracts are forward-based contracts to make or take delivery of a specified financial instrument, foreign currency, or commodity at a specified future date or during a specified period at as specified price or yield. Futures And Forward Contracts [Member] Futures And Forward Contracts [Member] This element represents the aggregate unrealized foreign currency transaction gain (loss) (pretax) included in determining total unrealized gains or losses for the reporting period. Represents the aggregate of gains (losses) on transactions that are unsettled as of the balance sheet date. Investment Owned Unrealized Currency Gain (Loss) Unrealized currency loss A written contract. Contracts Written [Member] Financial Highlights [Abstract] The set of legal entities associated with a report. Legal Entities Brokers [Axis] Names of the broker entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains. Entities Brokers [Domain] Morgan Stanley Smith Barney Charter Campbell L.P. Morgan Stanley Smith Barney Charter Campbell L.P. [Member] Morgan Stanley & Co. International Plc, commodity broker for the Partnership. MS & Co. [Member] MS&Co. [Member] Morgan Stanley Smith Barney Charter WNT L.P. Morgan Stanley Smith Barney Charter WNT L.P. [Member] Trading Profit Loss [Abstract] Trading profit (loss): Net investment loss. Net Investment Loss NET INVESTMENT LOSS Morgan Stanley & Co. International Plc and Morgan Stanley Wealth Management, commodity broker for the Partnership. MS & Co. & Morgan Stanley Wealth Management [Member] MS&Co. & Morgan Stanley Wealth Management [Member] Total trading results including other miscellaneous items. Total Trading Results Total Trading Results This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Trading Securities assets for contracts negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Futures Contracts Assets Fair Value Disclosure Futures Assets and Liabilities Measured at Fair Value [Abstract] Element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents those liabilities that are incurred for contracts negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Forward Contract Liabilities, Fair Value Disclosure Forwards This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Trading Securities assets for contracts negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Forward Contracts Assets, Fair Value Disclosure Forwards Element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents those liabilities that are incurred for contracts negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Futures Contract Liabilities Fair Value Disclosure Futures The rate of interest on partnership account to the U.S. Treasury bill discount rate. Percentage monthly average of 4-week U.S. Treasury bill discount rate Percentage monthly average of 4-week U.S. Treasury bill discount rate (in hundredths) The percentage of average daily equity maintained in cash in the partnership account, that bears interest income. Percentage of average daily equity that bears interest income Percentage of interest paid on average daily equity maintained in cash in partnership account (in hundredths) Investment Company Status [Abstract] The entire disclosure for the Investment Company status as related to Financial Services - Investment Companies for Measurement and Disclosure Requirement. Investment Company Status [Text Block] Investment Company Status Contracts which are traded through an established securities trading exchange. Exchange Traded [Member] Exchange-Traded [Member] Contracts which are traded out side of an established securities trading exchange organization. Off Exchange Traded [Member] Off-Exchange-Traded [Member] This number represents total cash plus exchange-traded net unrealized gain(loss). Restricted Cash Held By Acting Commodity Futures Broker Cash held by acting commodity futures brokers administrating open contracts For a group or grouping of investments, the longest maturity date for any investments in the group. Investment Maturity Date Range Maximum Longest maturity date Tabular disclosure of financial data including ratios based on the timing of capital transactions. Ratios are generally calculated for the limited partners' share of income, expenses and average net assets. Financial Highlights Disclosure [Table] Financial Highlights Disclosures [Line Items] Financial highlights disclosures [Line Items] Net Asset Value Per Limited Partnership Unit [Roll Forward] Represents the total return on assets before incentive fees for the period. Total Return on Assets Before Incentive Fees Total return before incentive fees (in hundredths) Per Unit operating performance [Abstract] Per Unit operating performance: [Abstract] A balancing amount necessary to reconcile the change in net asset value per Unit with the other per Unit information. Realized unrealized income Per Outstanding Limited Partnership Unit, Basic Realized/Unrealized Income (Loss) (in dollars per unit ) Net Asset Value allocated to each unit. Net Asset Value Per Unit Net asset value at the beginning of the period (in dollars per unit) Net asset value at the end of the period (in dollars per unit) NET ASSET VALUE PER UNIT (in dollars per unit) Expenses incurred per outstanding partnership unit for the period. Expenses Per Outstanding Limited Partnership Unit, Basic Expenses (in dollars per unit) Interest income per outstanding limited partnership unit during the period. Interest Income Per Outstanding Limited Partnership Unit, Basic Interest Income (in dollars per unit) Represents the total return on net assets after incentive fees for the period. Total Return on Average Net Assets After Incentive Fees Total return after incentive fees (in hundredths) Ratios to average net assets [Abstract] Ratios to average net assets: [Abstract] Ratio of net investment income (loss) to average net assets for the period. Ratio of Net Investment Income (Loss) to Average Net Assets Net Investment Loss (in hundredths) Ratio of expenses before incentive fees to average net assets for the period. Ratio of Expenses Before Incentive Fees to Average Net Assets Expenses before Incentive Fees (in hundredths) Ratio of expenses after incentive fees to average net assets for the period. Ratio of Expenses after Incentive Fees to Average Net Assets Expenses after Incentive Fees (in hundredths) Trading Equity [Abstract] Trading Equity: Amounts payable to managing member or general partner for management of the day-to-day business functions of the LLC or LP. Accrued Management Fees Accrued management fees Total Trading Equity. Trading Equity Total Trading Equity Total unrestricted and unrestricted cash balance as of the balance sheet date. Total Cash Total cash Disclosures of supplemental information, including descriptions and amounts, related to the statements of financial condition, income and expense and/or cash flow statement. Financial Information Additional Disclosure [Table Text Block] Financial Highlights Document and Entity Information [Abstract] Offsetting Of Derivative Assets And Liabilities [Abstract] Disclosure of information about derivative and financial liabilities that are subject to offsetting, including enforceable master netting arrangements. Offsetting Liabilities [Table] Morgan Stanley Smith Barney Charter Aspect L.P. Morgan Stanley Smith Barney Charter Aspect L.P. [Member] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Offsetting Liabilities [Line Items] Offsetting of Derivative Liabilities [Line Items] Disclosure of information about derivative and financial assets that are subject to offsetting, including enforceable master netting arrangements. Offsetting Assets [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Offsetting Assets [Line Items] Offsetting of Derivative Assets [Line Items] Future administrative fee rate payable by the partnership to the general partner, annual basis. Future annual flat rate brokerage fees for the Partnerships (in hundredths) Administrative fee rate payable by the partnership to the general partner, annual basis. General Partner Administrative Fee Rate Annually Annual flat rate brokerage fees for the Partnerships (in hundredths)