Document and Entity Information	Mar. 19, 2020
Prospectus:
Document Type	497
Document Period End Date	Mar. 19, 2020
Registrant Name	BNY Mellon Absolute Insight Funds, Inc.
Entity Central Index Key	0001635295
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Mar. 19, 2020
Document Effective Date	Mar. 19, 2020
Prospectus Date	Feb. 28, 2020
BNY Mellon Broad Opportunities Fund \| Class Y \| BNY Mellon Absolute Insight Funds, Inc.
Prospectus:
Trading Symbol	DIOYX
BNY Mellon Broad Opportunities Fund \| Class I \| BNY Mellon Absolute Insight Funds, Inc.
Prospectus:
Trading Symbol	DIOIX
BNY Mellon Broad Opportunities Fund \| Class C \| BNY Mellon Absolute Insight Funds, Inc.
Prospectus:
Trading Symbol	DIOCX
BNY Mellon Broad Opportunities Fund \| Class A \| BNY Mellon Absolute Insight Funds, Inc.
Prospectus:
Trading Symbol	DIOAX
BNY Mellon Broad Opportunities Fund \| Dreyfus Treasury and Agency Liquidity Money Market Fund \| BNY Mellon Absolute Insight Funds, Inc.
Prospectus:
Trading Symbol	DTLXX
BNY Mellon Global Real Return Fund \| Class Y \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DRRYX
BNY Mellon Global Real Return Fund \| Class I \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DRRIX
BNY Mellon Global Real Return Fund \| Class C \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DRRCX
BNY Mellon Global Real Return Fund \| Class A \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DRRAX
BNY Mellon Dynamic Total Return Fund \| Class Y \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	AVGYX
BNY Mellon Dynamic Total Return Fund \| Class I \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	AVGRX
BNY Mellon Dynamic Total Return Fund \| Class C \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	AVGCX
BNY Mellon Dynamic Total Return Fund \| Class A \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	AVGAX
BNY Mellon Global Dynamic Bond Income Fund \| Class Y \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DGDYX
BNY Mellon Global Dynamic Bond Income Fund \| Class I \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DGDIX
BNY Mellon Global Dynamic Bond Income Fund \| Class C \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DGDCX
BNY Mellon Global Dynamic Bond Income Fund \| Class A \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DGDAX
BNY Mellon Sustainable Balanced Fund \| Class K \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DRAKX
BNY Mellon Sustainable Balanced Fund \| Service Shares \| BNY Mellon Advantage Funds, Inc.
Prospectus:
Trading Symbol	DRASK
BNY Mellon International Stock Index Fund \| Class I \| BNY MELLON INDEX FUNDS, INC.
Prospectus:
Trading Symbol	DINIX
BNY Mellon International Stock Index Fund \| Investor Shares \| BNY MELLON INDEX FUNDS, INC.
Prospectus:
Trading Symbol	DIISX
BNY Mellon S&P 500 Index Fund \| BNY Mellon S&P 500 Index Fund \| BNY MELLON INDEX FUNDS, INC.
Prospectus:
Trading Symbol	PEOPX
BNY Mellon Smallcap Stock Index Fund \| Class I \| BNY MELLON INDEX FUNDS, INC.
Prospectus:
Trading Symbol	DISIX
BNY Mellon Smallcap Stock Index Fund \| Investor Shares \| BNY MELLON INDEX FUNDS, INC.
Prospectus:
Trading Symbol	DISSX
BNY Mellon Alternative Diversifier Strategies Fund \| Class Y \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DRYNX
BNY Mellon Alternative Diversifier Strategies Fund \| Class I \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DRNIX
BNY Mellon Alternative Diversifier Strategies Fund \| Class C \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DRNCX
BNY Mellon Alternative Diversifier Strategies Fund \| Class A \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DRNAX
BNY Mellon Global Emerging Markets Fund \| Class Y \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DGEYX
BNY Mellon Global Emerging Markets Fund \| Class I \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DGIEX
BNY Mellon Global Emerging Markets Fund \| Class C \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DGECX
BNY Mellon Global Emerging Markets Fund \| Class A \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DGEAX
BNY Mellon Yield Enhancement Strategy Fund \| Class A \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DABMX
BNY Mellon Yield Enhancement Strategy Fund \| Class Y \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DABJX
BNY Mellon Yield Enhancement Strategy Fund \| Class I \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DABKX
BNY Mellon Yield Enhancement Strategy Fund \| Class C \| BNY Mellon Investment Funds II, Inc.
Prospectus:
Trading Symbol	DABLX
BNY Mellon Global Equity Income Fund \| Class Y \| BNY Mellon Investment Funds III
Prospectus:
Trading Symbol	DEQYX
BNY Mellon Global Equity Income Fund \| Class I \| BNY Mellon Investment Funds III
Prospectus:
Trading Symbol	DQEIX
BNY Mellon Global Equity Income Fund \| Class C \| BNY Mellon Investment Funds III
Prospectus:
Trading Symbol	DEQCX
BNY Mellon Global Equity Income Fund \| Class A \| BNY Mellon Investment Funds III
Prospectus:
Trading Symbol	DEQAX
BNY Mellon International Bond Fund \| Class Y \| BNY Mellon Investment Funds III
Prospectus:
Trading Symbol	DIBYX
BNY Mellon International Bond Fund \| Class I \| BNY Mellon Investment Funds III
Prospectus:
Trading Symbol	DIBRX
BNY Mellon International Bond Fund \| Class C \| BNY Mellon Investment Funds III
Prospectus:
Trading Symbol	DIBCX
BNY Mellon International Bond Fund \| Class A \| BNY Mellon Investment Funds III
Prospectus:
Trading Symbol	DIBAX
BNY Mellon Institutional S&P 500 Stock Index Fund \| Class I \| BNY Mellon Investment Funds IV, Inc.
Prospectus:
Trading Symbol	DSPIX
BNY Mellon Bond Market Index Fund \| Class I \| BNY Mellon Investment Funds IV, Inc.
Prospectus:
Trading Symbol	DBIRX
BNY Mellon Bond Market Index Fund \| Investor Shares \| BNY Mellon Investment Funds IV, Inc.
Prospectus:
Trading Symbol	DBMIX
BNY Mellon Tax Managed Growth Fund \| Class I \| BNY Mellon Investment Funds IV, Inc.
Prospectus:
Trading Symbol	DPTRX
BNY Mellon Tax Managed Growth Fund \| Class C \| BNY Mellon Investment Funds IV, Inc.
Prospectus:
Trading Symbol	DPTAX
BNY Mellon Tax Managed Growth Fund \| Class A \| BNY Mellon Investment Funds IV, Inc.
Prospectus:
Trading Symbol	DTMGX
BNY Mellon Diversified International Fund \| Class Y \| BNY Mellon Investment Funds V, Inc.
Prospectus:
Trading Symbol	DDIFX
BNY Mellon Diversified International Fund \| Class I \| BNY Mellon Investment Funds V, Inc.
Prospectus:
Trading Symbol	DFPIX
BNY Mellon Diversified International Fund \| Class C \| BNY Mellon Investment Funds V, Inc.
Prospectus:
Trading Symbol	DFPCX
BNY Mellon Diversified International Fund \| Class A \| BNY Mellon Investment Funds V, Inc.
Prospectus:
Trading Symbol	DFPAX
BNY Mellon Global Real Estate Securities Fund \| Class Y \| BNY Mellon Investment Funds V, Inc.
Prospectus:
Trading Symbol	DRLYX
BNY Mellon Global Real Estate Securities Fund \| Class I \| BNY Mellon Investment Funds V, Inc.
Prospectus:
Trading Symbol	DRLIX
BNY Mellon Global Real Estate Securities Fund \| Class C \| BNY Mellon Investment Funds V, Inc.
Prospectus:
Trading Symbol	DGBCX
BNY Mellon Global Real Estate Securities Fund \| Class A \| BNY Mellon Investment Funds V, Inc.
Prospectus:
Trading Symbol	DRLAX
BNY Mellon Midcap Index Fund, Inc. \| Class I \| BNY MELLON MIDCAP INDEX FUND, INC.
Prospectus:
Trading Symbol	DMIDX
BNY Mellon Midcap Index Fund, Inc. \| Investor Shares \| BNY MELLON MIDCAP INDEX FUND, INC.
Prospectus:
Trading Symbol	PESPX
BNY Mellon Strategic Beta Emerging Markets Equity Fund \| Class Y \| BNY MELLON OPPORTUNITY FUNDS
Prospectus:
Trading Symbol	DOFYX
BNY Mellon Strategic Beta Emerging Markets Equity Fund \| Class I \| BNY MELLON OPPORTUNITY FUNDS
Prospectus:
Trading Symbol	DOFIX
BNY Mellon Strategic Beta Emerging Markets Equity Fund \| Class C \| BNY MELLON OPPORTUNITY FUNDS
Prospectus:
Trading Symbol	DOFCX
BNY Mellon Strategic Beta Emerging Markets Equity Fund \| Class A \| BNY MELLON OPPORTUNITY FUNDS
Prospectus:
Trading Symbol	DOFAX
BNY Mellon International Small Cap Fund \| Class Y \| BNY MELLON STOCK FUNDS
Prospectus:
Trading Symbol	DYYPX
BNY Mellon International Small Cap Fund \| Class I \| BNY MELLON STOCK FUNDS
Prospectus:
Trading Symbol	DYIPX
BNY Mellon International Small Cap Fund \| Class C \| BNY MELLON STOCK FUNDS
Prospectus:
Trading Symbol	DYCPX
BNY Mellon International Small Cap Fund \| Class A \| BNY MELLON STOCK FUNDS
Prospectus:
Trading Symbol	DYAPX
BNY Mellon Worldwide Growth Fund, Inc. \| Class Y \| BNY Mellon Worldwide Growth Fund, Inc.
Prospectus:
Trading Symbol	DPRIX
BNY Mellon Worldwide Growth Fund, Inc. \| Class I \| BNY Mellon Worldwide Growth Fund, Inc.
Prospectus:
Trading Symbol	DPWRX
BNY Mellon Worldwide Growth Fund, Inc. \| Class C \| BNY Mellon Worldwide Growth Fund, Inc.
Prospectus:
Trading Symbol	PGRCX
BNY Mellon Worldwide Growth Fund, Inc. \| Class A \| BNY Mellon Worldwide Growth Fund, Inc.
Prospectus:
Trading Symbol	PGROX

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