No Trading Symbol Flag
Consumer Discretionary Sector Member
Consumer Staples Sector Member
Industrial Sector Member
Materials Sector Member
Utilities Sector Member
Unclassified Sector Member
Information Technology Member
Healthcare Sector [Member]
Healthcare Sector
Communications Sector Member
Financial Services Sector [Member]
Financial Services Sector
Real Estate Sector [Member]
Real Estate Sector
Technology Sector [Member]
Technology Sector
Agricultural Sector [Member]
Agricultural Sector Member
Energy Sector [Member]
Energy Sector
Net Assets
Investment Type [Axis]
Investment Type Categorization [Member]
Investment Company Portfolio Turnover
C000019232 [Member]
Fidelity Treasury Only Money Market Fund
Fidelity Treasury Only Money Market Fund
C000203454 [Member]
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Fidelity Series Treasury Bill Index Fund
C000019231 [Member]
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Fidelity Money Market Fund
C000154306 [Member]
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Fidelity Money Market Fund - Premium Class
C000019230 [Member]
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Fidelity Government Money Market Fund
C000154305 [Member]
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Fidelity Government Money Market Fund - Premium Class
C000154304 [Member]
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Fidelity Government Money Market Fund - Daily Money Class
C000232685 [Member]
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Fidelity Government Money Market Fund - Class S
C000198393 [Member]
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Fidelity Government Money Market Fund - Class K6
C000154303 [Member]
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Fidelity Government Money Market Fund - Capital Reserves Class
C000190683 [Member]
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Fidelity Government Money Market Fund - Class M
C000177594 [Member]
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Fidelity Flex Government Money Market Fund
C000255665 [Member]
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Fidelity Treasury Digital Fund - Liquidity
C000257340 [Member]
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Fidelity Treasury Only Money Market Fund - Class OUS
C000261149 [Member]
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Fidelity Treasury Digital Fund - OnChain Class
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