Document and Entity Information	Total
Prospectus:
Document Type	497
Document Period End Date	Mar. 18, 2024
Entity Registrant Name	BNY Mellon Investment Funds I
Entity Central Index Key	0000799295
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Mar. 18, 2024
Document Effective Date	Mar. 18, 2024
Prospectus Date	Feb. 01, 2024
BNY Mellon Small Cap Value Fund \| Class I
Prospectus:
Trading Symbol	STSVX
BNY Mellon Small Cap Value Fund \| Class A
Prospectus:
Trading Symbol	RUDAX
BNY Mellon Small Cap Value Fund \| Class C
Prospectus:
Trading Symbol	BOSCX
BNY Mellon Small Cap Value Fund \| Class Y
Prospectus:
Trading Symbol	BOSYX

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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 type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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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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-Name Exchange Act
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-Subsection b-2

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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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Prospectus Table.

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