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
C000154298 [Member]
Fidelity Treasury Money Market Fund
Fidelity Treasury Money Market Fund
C000020485 [Member]
Fidelity Treasury Money Market Fund - Daily Money Class
Fidelity Treasury Money Market Fund - Daily Money Class
C000020484 [Member]
Fidelity Treasury Money Market Fund - Capital Reserves Class
Fidelity Treasury Money Market Fund - Capital Reserves Class
C000020483 [Member]
Fidelity Treasury Money Market Fund - Advisor Class C
Fidelity Treasury Money Market Fund - Advisor Class C
C000020481 [Member]
Fidelity Tax-Exempt Money Market Fund
Fidelity Tax-Exempt Money Market Fund
C000154297 [Member]
Fidelity Tax-Exempt Money Market Fund - Premium Class
Fidelity Tax-Exempt Money Market Fund - Premium Class
C000020480 [Member]
Fidelity Tax-Exempt Money Market Fund - Daily Money Class
Fidelity Tax-Exempt Money Market Fund - Daily Money Class
C000020479 [Member]
Fidelity Tax-Exempt Money Market Fund - Capital Reserves Class
Fidelity Tax-Exempt Money Market Fund - Capital Reserves Class
EMD0Member [Member]
EMD0Member
EMD0Member
EMD1Member [Member]
EMD1Member
EMD1Member
EMD2Member [Member]
EMD2Member
EMD2Member
EMD3Member [Member]
EMD3Member
EMD3Member
EMD4Member [Member]
EMD4Member
EMD4Member
EMD5Member [Member]
EMD5Member
EMD5Member
AAUSTreasuryObligationsMember [Member]
AAUSTreasuryObligationsMember
AAUSTreasuryObligationsMember
AARepurchaseAgreementsMember [Member]
AARepurchaseAgreementsMember
AARepurchaseAgreementsMember
AATenderOptionBondMember [Member]
AATenderOptionBondMember
AATenderOptionBondMember
AAVariableRateDemandNotesVRDNsMember [Member]
AAVariableRateDemandNotesVRDNsMember
AAVariableRateDemandNotesVRDNsMember
AAMunicipalSecuritiesMember [Member]
AAMunicipalSecuritiesMember
AAMunicipalSecuritiesMember
AACommercialPaperMember [Member]
AACommercialPaperMember
AACommercialPaperMember
AANetOtherAssetsLiabilitiesMember [Member]
AANetOtherAssetsLiabilitiesMember
AANetOtherAssetsLiabilitiesMember