Risk/Return Summary - FidelityLimitedTermGovernmentFund-PRO - FidelityLimitedTermGovernmentFund-PRO - Fidelity Limited Term Government Fund	Jan. 28, 2023
Risk/Return:
Supplement to Prospectus [Text Block]	Supplement to the Fidelity® Limited Term Government Fund January 28, 2023 Prospectus
Operating Expenses Caption [Text]	Annual Operating Expenses

This element contains the text of a prospectus supplement (submission type 497) not already contained in an element containing amended text or other data from a previous submission.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form
-Number N-1A

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