Investment Risks	Oct. 28, 2025
FidelityValueDiscoveryfund-AMCIZPRO \| Fidelity Value Discovery Fund \| Risk Lose Money [Member]
Prospectus Line Items
Risk [Text Block]	You could lose money by investing in the fund.
FidelityValueDiscoveryfund-AMCIZPRO \| Fidelity Value Discovery Fund \| Risk Not Insured Depository Institution [Member]
Prospectus Line Items
Risk [Text Block]	An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency .
FidelityValueDiscoveryfund-AMCIZPRO \| Fidelity Value Discovery Fund \| ValueInvestingMember
Prospectus Line Items
Risk [Text Block]	"Value" Investing. "Value" stocks can perform differently from the market as a whole and other types of stocks and can continue to be undervalued by the market for long periods of time.
FidelityValueDiscoveryfund-AMCIZPRO \| Fidelity Value Discovery Fund \| ForeignExposureMember
Prospectus Line Items
Risk [Text Block]	Foreign Exposure. Foreign markets can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.
FidelityValueDiscoveryfund-AMCIZPRO \| Fidelity Value Discovery Fund \| IssuerSpecificChangesMember
Prospectus Line Items
Risk [Text Block]	Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole.
FidelityValueDiscoveryfund-AMCIZPRO \| Fidelity Value Discovery Fund \| StockMarketVolatilityMember
Prospectus Line Items
Risk [Text Block]	Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market, including different market sectors, and different types of securities can react differently to these developments.
Document Type	485BPOS

An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency .

Risk [Text Block]

Foreign Exposure. Foreign markets can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.

Prospectus Line Items

Risk [Text Block]

Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market, including different market sectors, and different types of securities can react differently to these developments.