v3.25.1
Shareholder Report
 6 Months Ended
Mar. 31, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name BNY Mellon Stock Funds
Entity Central Index Key 0001199348
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2025
C000000906 [Member]  
Shareholder Report [Line Items]  
Fund Name BNY Mellon International Core Equity Fund
Class Name Class A
Trading Symbol DIEAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about BNY Mellon International Core Equity Fund (the “Fund”) for the period of October 1, 2024 to March 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at bny.com/investments/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bny.com.
Additional Information Phone Number 1-800-373-9387
Additional Information Email info@bny.com
Additional Information Website bny.com/investments/literaturecenter
Expenses [Text Block]
What were the Fund’s costs for the last six months ?
(based on a hypothetical $10,000 investment)
Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Class A* $56 1.12%**
*
During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher.
**
Annualized.
Expenses Paid, Amount $ 56 [1]
Expense Ratio, Percent 1.12% [1],[2]
Net Assets $ 94,000,000
Holdings Count | Holding 58
Investment Company Portfolio Turnover 19.04%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (AS OF 3/31/25 )

Fund Size (Millions)
Number of Holdings
Portfolio Turnover
$94 58 19.04%
Not FDIC Insured. Not Bank-Guaranteed. May Lose Value
Holdings [Text Block]
Portfolio Holdings (as of 3/31/25 )
Top Ten Holdings (Based on Net Assets) *
Graphical Representation - Top N Holdings Chart
* Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
Country Allocation (Based on Net Assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top Ten Holdings (Based on Net Assets) *
Graphical Representation - Top N Holdings Chart
* Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
C000000908 [Member]  
Shareholder Report [Line Items]  
Fund Name BNY Mellon International Core Equity Fund
Class Name Class C
Trading Symbol DIECX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about BNY Mellon International Core Equity Fund (the “Fund”) for the period of October 1, 2024 to March 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at bny.com/investments/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bny.com.
Additional Information Phone Number 1-800-373-9387
Additional Information Email info@bny.com
Additional Information Website bny.com/investments/literaturecenter
Expenses [Text Block]
What were the Fund’s costs for the last six months ?
(based on a hypothetical $10,000 investment)
Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Class C* $93 1.87%**
*
During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher.
**
Annualized.
Expenses Paid, Amount $ 93 [3]
Expense Ratio, Percent 1.87% [3],[4]
Net Assets $ 94,000,000
Holdings Count | Holding 58
Investment Company Portfolio Turnover 19.04%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (AS OF 3/31/25 )

Fund Size (Millions)
Number of Holdings
Portfolio Turnover
$94 58 19.04%
Not FDIC Insured. Not Bank-Guaranteed. May Lose Value
Holdings [Text Block]
Portfolio Holdings (as of 3/31/25 )
Top Ten Holdings (Based on Net Assets) *
Graphical Representation - Top N Holdings Chart
* Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
Country Allocation (Based on Net Assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top Ten Holdings (Based on Net Assets) *
Graphical Representation - Top N Holdings Chart
* Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
C000000909 [Member]  
Shareholder Report [Line Items]  
Fund Name BNY Mellon International Core Equity Fund
Class Name Class I
Trading Symbol DIERX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about BNY Mellon International Core Equity Fund (the “Fund”) for the period of October 1, 2024 to March 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at bny.com/investments/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bny.com.
Additional Information Phone Number 1-800-373-9387
Additional Information Email info@bny.com
Additional Information Website bny.com/investments/literaturecenter
Expenses [Text Block]
What were the Fund’s costs for the last six months ?
(based on a hypothetical $10,000 investment)
Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Class I* $43 0.87%**
*
During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher.
**
Annualized.
Expenses Paid, Amount $ 43 [5]
Expense Ratio, Percent 0.87% [5],[6]
Net Assets $ 94,000,000
Holdings Count | Holding 58
Investment Company Portfolio Turnover 19.04%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (AS OF 3/31/25 )

Fund Size (Millions)
Number of Holdings
Portfolio Turnover
$94 58 19.04%
Not FDIC Insured. Not Bank-Guaranteed. May Lose Value
Holdings [Text Block]
Portfolio Holdings (as of 3/31/25 )
Top Ten Holdings (Based on Net Assets) *
Graphical Representation - Top N Holdings Chart
* Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
Country Allocation (Based on Net Assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top Ten Holdings (Based on Net Assets) *
Graphical Representation - Top N Holdings Chart
* Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
C000158972 [Member]  
Shareholder Report [Line Items]  
Fund Name BNY Mellon International Core Equity Fund
Class Name Class Y
Trading Symbol DIEYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about BNY Mellon International Core Equity Fund (the “Fund”) for the period of October 1, 2024 to March 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at bny.com/investments/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bny.com.
Additional Information Phone Number 1-800-373-9387
Additional Information Email info@bny.com
Additional Information Website bny.com/investments/literaturecenter
Expenses [Text Block]
What were the Fund’s costs for the last six months ?
(based on a hypothetical $10,000 investment)
Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Class Y* $43 0.87%**
*
During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher.
**
Annualized.
Expenses Paid, Amount $ 43 [7]
Expense Ratio, Percent 0.87% [7],[8]
Net Assets $ 94,000,000
Holdings Count | Holding 58
Investment Company Portfolio Turnover 19.04%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (AS OF 3/31/25 )

Fund Size (Millions)
Number of Holdings
Portfolio Turnover
$94 58 19.04%
Not FDIC Insured. Not Bank-Guaranteed. May Lose Value
Holdings [Text Block]
Portfolio Holdings (as of 3/31/25 )
Top Ten Holdings (Based on Net Assets) *
Graphical Representation - Top N Holdings Chart
* Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
Country Allocation (Based on Net Assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top Ten Holdings (Based on Net Assets) *
Graphical Representation - Top N Holdings Chart
* Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
[1] During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher.
[2] Annualized.
[3] During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher.
[4] Annualized.
[5] During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher.
[6] Annualized.
[7] During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher.
[8] Annualized.