| Label | Element | Value |
|---|---|---|
| Risk/Return: | rr_RiskReturnAbstract | |
| Document Type | dei_DocumentType | 485BPOS |
| Document Period End Date | dei_DocumentPeriodEndDate | Nov. 30, 2024 |
| Registrant Name | dei_EntityRegistrantName | BNY Mellon Strategic Funds, Inc. |
| Entity Central Index Key | dei_EntityCentralIndexKey | 0000737520 |
| Amendment Flag | dei_AmendmentFlag | false |
| Document Creation Date | dei_DocumentCreationDate | Mar. 26, 2025 |
| Document Effective Date | dei_DocumentEffectiveDate | Mar. 31, 2025 |
| EntityInvCompanyType | dei_EntityInvCompanyType | N-1A |
| Prospectus Date | rr_ProspectusDate | Mar. 31, 2025 |
| BNY Mellon Global Stock Fund | A | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | DGLAX |
| BNY Mellon Global Stock Fund | C | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | DGLCX |
| BNY Mellon Global Stock Fund | I | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | DGLRX |
| BNY Mellon Global Stock Fund | Y | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | DGLYX |
| BNY Mellon International Stock Fund | A | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | DISAX |
| BNY Mellon International Stock Fund | C | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | DISCX |
| BNY Mellon International Stock Fund | I | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | DISRX |
| BNY Mellon International Stock Fund | Y | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | DISYX |