Document and Entity Information	Mar. 15, 2024
Prospectus:
Document Type	497
Document Period End Date	Mar. 15, 2024
Entity Registrant Name	DREYFUS GOVERNMENT CASH MANAGEMENT FUNDS
Entity Central Index Key	0000740766
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Mar. 15, 2024
Document Effective Date	Mar. 15, 2024
Prospectus Date	Jun. 01, 2023
Dreyfus Government Cash Management \| Dreyfus Government Cash Management - BOLD Shares
Prospectus:
Trading Symbol	DBLXX

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The date the document was made available and submitted, in YYYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

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The date when a document, upon receipt and acceptance, becomes officially effective, in YYYY-MM-DD format. Usually it is a system-assigned date time value, but it may be declared by the submitter in some cases.

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The date of the prospectus.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Prospectus Table.

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