Label

Element

Value

Risk/Return:

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Registrant Name

dei_EntityRegistrantName

SSGA FUNDS

Prospectus Date

rr_ProspectusDate

Dec. 30, 2019

Supplement to Prospectus [Text Block]

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SSGA FUNDS 

(each a “Trust,” and collectively the “Trusts”) 

Supplement dated April 3, 2020 to the 
Summary Prospectuses and Prospectuses, each dated as set forth on Appendix A as may be supplemented and/or revised from time to time, with respect to the series of the Trusts listed on Appendix A (each a “Fund,” and collectively the “Funds”) 

1. Effective immediately, “Market Risk” included in each “Principal Risks” section of each Prospectus and Summary Prospectus is deleted and replaced with the following:  

Market Risk: The Fund’s investments are subject to changes in general economic conditions, and general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, and general market liquidity. The Fund is subject to the risk that geopolitical events will disrupt securities markets and adversely affect global economies and markets. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, or other events could have a significant impact on the Fund and its investments. 

State Street International Stock Selection Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

SSGA FUNDS 

(each a “Trust,” and collectively the “Trusts”) 

Supplement dated April 3, 2020 to the 
Summary Prospectuses and Prospectuses, each dated as set forth on Appendix A as may be supplemented and/or revised from time to time, with respect to the series of the Trusts listed on Appendix A (each a “Fund,” and collectively the “Funds”) 

1. Effective immediately, “Market Risk” included in each “Principal Risks” section of each Prospectus and Summary Prospectus is deleted and replaced with the following:  

Market Risk: The Fund’s investments are subject to changes in general economic conditions, and general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, and general market liquidity. The Fund is subject to the risk that geopolitical events will disrupt securities markets and adversely affect global economies and markets. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, or other events could have a significant impact on the Fund and its investments. 

State Street S&P 500 Index Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

SSGA FUNDS 

(each a “Trust,” and collectively the “Trusts”) 

Supplement dated April 3, 2020 to the 
Summary Prospectuses and Prospectuses, each dated as set forth on Appendix A as may be supplemented and/or revised from time to time, with respect to the series of the Trusts listed on Appendix A (each a “Fund,” and collectively the “Funds”) 

1. Effective immediately, “Market Risk” included in each “Principal Risks” section of each Prospectus and Summary Prospectus is deleted and replaced with the following:  

Market Risk: The Fund’s investments are subject to changes in general economic conditions, and general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, and general market liquidity. The Fund is subject to the risk that geopolitical events will disrupt securities markets and adversely affect global economies and markets. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, or other events could have a significant impact on the Fund and its investments. 

State Street Dynamic Small Cap Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

SSGA FUNDS 

(each a “Trust,” and collectively the “Trusts”) 

Supplement dated April 3, 2020 to the 
Summary Prospectuses and Prospectuses, each dated as set forth on Appendix A as may be supplemented and/or revised from time to time, with respect to the series of the Trusts listed on Appendix A (each a “Fund,” and collectively the “Funds”) 

1. Effective immediately, “Market Risk” included in each “Principal Risks” section of each Prospectus and Summary Prospectus is deleted and replaced with the following:  

Market Risk: The Fund’s investments are subject to changes in general economic conditions, and general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, and general market liquidity. The Fund is subject to the risk that geopolitical events will disrupt securities markets and adversely affect global economies and markets. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, or other events could have a significant impact on the Fund and its investments. 

State Street Defensive Emerging Markets Equity Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

SSGA FUNDS 

(each a “Trust,” and collectively the “Trusts”) 

Supplement dated April 3, 2020 to the 
Summary Prospectuses and Prospectuses, each dated as set forth on Appendix A as may be supplemented and/or revised from time to time, with respect to the series of the Trusts listed on Appendix A (each a “Fund,” and collectively the “Funds”) 

1. Effective immediately, “Market Risk” included in each “Principal Risks” section of each Prospectus and Summary Prospectus is deleted and replaced with the following:  

Market Risk: The Fund’s investments are subject to changes in general economic conditions, and general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, and general market liquidity. The Fund is subject to the risk that geopolitical events will disrupt securities markets and adversely affect global economies and markets. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, or other events could have a significant impact on the Fund and its investments.