000001 - Document - Document and Entity Information
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020000 - Document - Risk/Return Summary {Unlabeled} - Class A Prospectus - GENERAL MONEY MARKET FUND INC (Class A)
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020001 - Schedule - Annual Fund Operating Expenses
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020002 - Schedule - Expense Example {Transposed}
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020003 - Schedule - Annual Total Returns [Bar Chart]
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020004 - Schedule - Average Annual Returns {Transposed}
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020006 - Document - Risk/Return Summary {Unlabeled} - Class A Prospectus - General Government Securities Money Market Fund (Class A)
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020007 - Schedule - Annual Fund Operating Expenses
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020008 - Schedule - Expense Example {Transposed}
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020009 - Schedule - Annual Total Returns [Bar Chart]
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020010 - Schedule - Average Annual Returns {Transposed}
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020012 - Document - Risk/Return Summary {Unlabeled} - Class A Prospectus - General Treasury Prime Money Market Fund (Class A)
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020013 - Schedule - Annual Fund Operating Expenses
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020014 - Schedule - Expense Example {Transposed}
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020015 - Schedule - Annual Total Returns [Bar Chart]
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020016 - Schedule - Average Annual Returns {Transposed}
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020018 - Document - Risk/Return Summary {Unlabeled} - Class A Prospectus - General Municipal Money Market Fund (- Class A)
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020019 - Schedule - Annual Fund Operating Expenses
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020020 - Schedule - Expense Example {Transposed}
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020021 - Schedule - Annual Total Returns [Bar Chart]
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020022 - Schedule - Average Annual Returns {Transposed}
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020024 - Document - Risk/Return Summary {Unlabeled} - Class A Prospectus - GENERAL CALIFORNIA MUNICIPAL MONEY MARKET FUND (Class A)
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020025 - Schedule - Annual Fund Operating Expenses
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020026 - Schedule - Expense Example {Transposed}
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020027 - Schedule - Annual Total Returns [Bar Chart]
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020028 - Schedule - Average Annual Returns {Transposed}
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020030 - Document - Risk/Return Summary {Unlabeled} - Class A Prospectus - GENERAL NEW YORK MUNICIPAL MONEY MARKET FUND (Class A)
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020031 - Schedule - Annual Fund Operating Expenses
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020032 - Schedule - Expense Example {Transposed}
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020033 - Schedule - Annual Total Returns [Bar Chart]
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020034 - Schedule - Average Annual Returns {Transposed}
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020036 - Document - Risk/Return Summary {Unlabeled} - Class B Prospectus - GENERAL MONEY MARKET FUND INC (Class B)
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020037 - Schedule - Annual Fund Operating Expenses
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020038 - Schedule - Expense Example {Transposed}
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020039 - Schedule - Annual Total Returns [Bar Chart]
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020040 - Schedule - Average Annual Returns {Transposed}
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020042 - Document - Risk/Return Summary {Unlabeled} - Class B Prospectus - General Government Securities Money Market Fund (Class B)
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020043 - Schedule - Annual Fund Operating Expenses
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020044 - Schedule - Expense Example {Transposed}
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020045 - Schedule - Annual Total Returns [Bar Chart]
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020046 - Schedule - Average Annual Returns {Transposed}
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020048 - Document - Risk/Return Summary {Unlabeled} - Class B Prospectus - General Treasury Prime Money Market Fund (Class B)
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020049 - Schedule - Annual Fund Operating Expenses
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020050 - Schedule - Expense Example {Transposed}
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020051 - Schedule - Annual Total Returns [Bar Chart]
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020052 - Schedule - Average Annual Returns {Transposed}
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020054 - Document - Risk/Return Summary {Unlabeled} - Class B Prospectus - General Municipal Money Market Fund (- Class B)
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020055 - Schedule - Annual Fund Operating Expenses
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020056 - Schedule - Expense Example {Transposed}
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020057 - Schedule - Annual Total Returns [Bar Chart]
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020058 - Schedule - Average Annual Returns {Transposed}
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020060 - Document - Risk/Return Summary {Unlabeled} - Class B Prospectus - GENERAL CALIFORNIA MUNICIPAL MONEY MARKET FUND (Class B)
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020061 - Schedule - Annual Fund Operating Expenses
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020062 - Schedule - Expense Example {Transposed}
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020063 - Schedule - Annual Total Returns [Bar Chart]
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020064 - Schedule - Average Annual Returns {Transposed}
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020066 - Document - Risk/Return Summary {Unlabeled} - Fund Summary - GENERAL NEW YORK MUNICIPAL MONEY MARKET FUND (Class B)
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020067 - Schedule - Annual Fund Operating Expenses
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020068 - Schedule - Expense Example {Transposed}
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020069 - Schedule - Annual Total Returns [Bar Chart]
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020070 - Schedule - Average Annual Returns {Transposed}
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020005 - Disclosure - Risk/Return Detail Data {Elements} - Class A Prospectus - GENERAL MONEY MARKET FUND INC (Class A)
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020011 - Disclosure - Risk/Return Detail Data {Elements} - Class A Prospectus - General Government Securities Money Market Fund (Class A)
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020017 - Disclosure - Risk/Return Detail Data {Elements} - Class A Prospectus - General Treasury Prime Money Market Fund (Class A)
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020023 - Disclosure - Risk/Return Detail Data {Elements} - Class A Prospectus - General Municipal Money Market Fund (- Class A)
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020029 - Disclosure - Risk/Return Detail Data {Elements} - Class A Prospectus - GENERAL CALIFORNIA MUNICIPAL MONEY MARKET FUND (Class A)
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020035 - Disclosure - Risk/Return Detail Data {Elements} - Class A Prospectus - GENERAL NEW YORK MUNICIPAL MONEY MARKET FUND (Class A)
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020041 - Disclosure - Risk/Return Detail Data {Elements} - Class B Prospectus - GENERAL MONEY MARKET FUND INC (Class B)
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020047 - Disclosure - Risk/Return Detail Data {Elements} - Class B Prospectus - General Government Securities Money Market Fund (Class B)
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020053 - Disclosure - Risk/Return Detail Data {Elements} - Class B Prospectus - General Treasury Prime Money Market Fund (Class B)
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020059 - Disclosure - Risk/Return Detail Data {Elements} - Class B Prospectus - General Municipal Money Market Fund (- Class B)
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020065 - Disclosure - Risk/Return Detail Data {Elements} - Class B Prospectus - GENERAL CALIFORNIA MUNICIPAL MONEY MARKET FUND (Class B)
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020071 - Disclosure - Risk/Return Detail Data {Elements} - Fund Summary - GENERAL NEW YORK MUNICIPAL MONEY MARKET FUND (Class B)
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