Shareholder Report
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6 Months Ended |
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Jun. 30, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] |
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| Document Type |
N-CSRS
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| Amendment Flag |
false
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| Registrant Name |
BNY Mellon Sustainable U.S. Equity Portfolio, Inc.
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| Entity Central Index Key |
0000890064
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| Entity Investment Company Type |
N-1A
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| Document Period End Date |
Jun. 30, 2026
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| C000005027 [Member] |
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| Shareholder Report [Line Items] |
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| Fund Name |
BNY Mellon Sustainable U.S. Equity Portfolio, Inc.
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| Class Name |
Service Shares
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| No Trading Symbol Flag |
true
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| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about BNY Mellon Sustainable U.S. Equity Portfolio, Inc. (the “Fund”) for the period of January 1, 2026 to June 30, 2026.
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| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
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| Additional Information [Text Block] |
You can find additional information about the Fund at www.bny.com/investments/us/en/intermediary/products/variable‑products.html#funds‑table‑tabs1. 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.
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| Additional Information Phone Number |
1-800-373-9387
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| Additional Information Email |
info@bny.com
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| Additional Information Website |
www.bny.com/investments/us/en/intermediary/products/variable‑products.html#funds‑table‑tabs1
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| 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 |
| Service Shares |
$48 |
0.94%* |
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| Expenses Paid, Amount |
$ 48
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| Expense Ratio, Percent |
0.94%
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[1] |
| Net Assets |
$ 336,000,000
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| Holdings Count | Holding |
50
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| Investment Company Portfolio Turnover |
19.93%
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| Additional Fund Statistics [Text Block] |
KEY FUND STATISTICS (AS OF 6/30/26 )
Fund Size (Millions) |
Number of Holdings |
Portfolio Turnover |
| $336 |
50 |
19.93% |
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| Holdings [Text Block] |
Portfolio Holdings (as of 6/30/26 ) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. Sector Allocation (Based on Net Assets) * Amount represents less than .1%.
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| Largest Holdings [Text Block] |
Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
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| C000005026 [Member] |
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| Shareholder Report [Line Items] |
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| Fund Name |
BNY Mellon Sustainable U.S. Equity Portfolio, Inc.
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| Class Name |
Initial Shares
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|
| No Trading Symbol Flag |
true
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about BNY Mellon Sustainable U.S. Equity Portfolio, Inc. (the “Fund”) for the period of January 1, 2026 to June 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.bny.com/investments/us/en/intermediary/products/variable‑products.html#funds‑table‑tabs1. 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 |
www.bny.com/investments/us/en/intermediary/products/variable‑products.html#funds‑table‑tabs1
|
|
| 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 |
| Initial Shares |
$35 |
0.69%* |
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| Expenses Paid, Amount |
$ 35
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| Expense Ratio, Percent |
0.69%
|
[2] |
| Net Assets |
$ 336,000,000
|
|
| Holdings Count | Holding |
50
|
|
| Investment Company Portfolio Turnover |
19.93%
|
|
| Additional Fund Statistics [Text Block] |
KEY FUND STATISTICS (AS OF 6/30/26 )
Fund Size (Millions) |
Number of Holdings |
Portfolio Turnover |
| $336 |
50 |
19.93% |
|
|
| Holdings [Text Block] |
Portfolio Holdings (as of 6/30/26 ) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. Sector Allocation (Based on Net Assets) * Amount represents less than .1%.
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| Largest Holdings [Text Block] |
Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
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