v3.22.2.2
Label Element Value
Risk Return Abstract rr_RiskReturnAbstract  
Document Type dei_DocumentType 485BPOS
Period End Date dei_DocumentPeriodEndDate Jul. 31, 2022
Registrant Name dei_EntityRegistrantName Prudential Government Money Market Fund, Inc.
CIK dei_EntityCentralIndexKey 0000067590
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Sep. 28, 2022
Effective Date dei_DocumentEffectiveDate Sep. 29, 2022
Prospectus Date rr_ProspectusDate Sep. 29, 2022
Entity Inv Company Type dei_EntityInvCompanyType N-1A
PGIM Government Money Market Fund | A  
Risk Return Abstract rr_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol PMBXX
PGIM Government Money Market Fund | C  
Risk Return Abstract rr_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MJCXX
PGIM Government Money Market Fund | Z  
Risk Return Abstract rr_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol PMZXX