Shareholder Report
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6 Months Ended |
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May 31, 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 |
AB CAP FUND, INC.
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| Entity Central Index Key |
0000081443
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| Entity Investment Company Type |
N-1A
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| Document Period End Date |
May 31, 2026
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| Shareholder Report Annual or Semi-Annual |
Semi-Annual Shareholder Report
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| C000141795 |
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| Shareholder Report [Line Items] |
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| Fund Name |
AB Small Cap Value Portfolio
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| Class Name |
Advisor Class
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| Trading Symbol |
SCYVX
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|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the AB Small Cap Value Portfolio (the “Fund”) for the period of December 1, 2025 to May 31, 2026.
|
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| Additional Information [Text Block] |
You can find additional information about the Fund at https://www.abfunds.com/link/AB/SCYVX-S. You can also request this information by contacting us at (800) 227 4618.
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| Additional Information Phone Number |
(800) 227 4618
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| Additional Information Website |
https://www.abfunds.com/link/AB/SCYVX-S
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|
| Expenses [Text Block] |
What were the Fund costs for the last six months?(Based on a hypothetical $10,000 investment)
Table Summary
Class Name |
Cost of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
Advisor Class |
$50 |
0.92%Footnote Reference* |
| Footnote |
Description |
Footnote* |
Annualized | |
|
| Expenses Paid, Amount |
$ 50
|
|
| Expense Ratio, Percent |
0.92%
|
[1] |
| AssetsNet |
$ 592,863,391
|
|
| Holdings Count | Holding |
106
|
|
| Advisory Fees Paid, Amount |
$ 2,246,295
|
|
| InvestmentCompanyPortfolioTurnover |
29.00%
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| Additional Fund Statistics [Text Block] |
Table Summary
Net Assets |
$592,863,391 |
# of Portfolio Holdings |
106 |
Portfolio Turnover Rate |
29% |
Total Advisory Fees Paid (Net) |
$2,246,295 | |
|
| Holdings [Text Block] |
Sector Breakdown (% of Net Assets)
Table Summary
Financials |
21.9% |
Industrials |
20.2% |
Consumer Discretionary |
13.6% |
Information Technology |
11.0% |
Real Estate |
7.1% |
Energy |
6.4% |
Health Care |
6.3% |
Materials |
6.0% |
Utilities |
3.5% |
Consumer Staples |
2.9% |
Others |
0.5% |
Short-Term Investments |
1.4% |
Other assets less liabilities |
-0.8% |
Total |
100.0% | |
|
| Largest Holdings [Text Block] |
Table Summary
Company |
U.S. $ Value |
% of Net Assets |
BorgWarner, Inc. |
$10,517,895 |
1.8% |
Select Water Solutions, Inc. |
$9,998,611 |
1.7% |
Cardinal Infrastructure Group, Inc. - Class A |
$9,388,250 |
1.6% |
Seadrill Ltd. |
$9,190,414 |
1.5% |
Worthington Steel, Inc. |
$8,981,829 |
1.5% |
Versigent PLC |
$8,810,367 |
1.5% |
Avnet, Inc. |
$8,712,299 |
1.5% |
Extreme Networks, Inc. |
$8,610,156 |
1.5% |
Plexus Corp. |
$8,360,756 |
1.4% |
HA Sustainable Infrastructure Capital, Inc. |
$7,988,030 |
1.3% |
Total |
$90,558,607 |
15.3% | |
|
| Material Fund Change [Text Block] |
|
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| C000141790 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
AB Small Cap Value Portfolio
|
|
| Class Name |
Class A
|
|
| Trading Symbol |
SCAVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the AB Small Cap Value Portfolio (the “Fund”) for the period of December 1, 2025 to May 31, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at https://www.abfunds.com/link/AB/SCAVX-S. You can also request this information by contacting us at (800) 227 4618.
|
|
| Additional Information Phone Number |
(800) 227 4618
|
|
| Additional Information Website |
https://www.abfunds.com/link/AB/SCAVX-S
|
|
| Expenses [Text Block] |
What were the Fund costs for the last six months?(Based on a hypothetical $10,000 investment)
Table Summary
Class Name |
Cost of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
Class A |
$64 |
1.17%Footnote Reference* |
| Footnote |
Description |
Footnote* |
Annualized | |
|
| Expenses Paid, Amount |
$ 64
|
|
| Expense Ratio, Percent |
1.17%
|
[2] |
| AssetsNet |
$ 592,863,391
|
|
| Holdings Count | Holding |
106
|
|
| Advisory Fees Paid, Amount |
$ 2,246,295
|
|
| InvestmentCompanyPortfolioTurnover |
29.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Net Assets |
$592,863,391 |
# of Portfolio Holdings |
106 |
Portfolio Turnover Rate |
29% |
Total Advisory Fees Paid (Net) |
$2,246,295 | |
|
| Holdings [Text Block] |
Sector Breakdown (% of Net Assets)
Table Summary
Financials |
21.9% |
Industrials |
20.2% |
Consumer Discretionary |
13.6% |
Information Technology |
11.0% |
Real Estate |
7.1% |
Energy |
6.4% |
Health Care |
6.3% |
Materials |
6.0% |
Utilities |
3.5% |
Consumer Staples |
2.9% |
Others |
0.5% |
Short-Term Investments |
1.4% |
Other assets less liabilities |
-0.8% |
Total |
100.0% | |
|
| Largest Holdings [Text Block] |
Table Summary
Company |
U.S. $ Value |
% of Net Assets |
BorgWarner, Inc. |
$10,517,895 |
1.8% |
Select Water Solutions, Inc. |
$9,998,611 |
1.7% |
Cardinal Infrastructure Group, Inc. - Class A |
$9,388,250 |
1.6% |
Seadrill Ltd. |
$9,190,414 |
1.5% |
Worthington Steel, Inc. |
$8,981,829 |
1.5% |
Versigent PLC |
$8,810,367 |
1.5% |
Avnet, Inc. |
$8,712,299 |
1.5% |
Extreme Networks, Inc. |
$8,610,156 |
1.5% |
Plexus Corp. |
$8,360,756 |
1.4% |
HA Sustainable Infrastructure Capital, Inc. |
$7,988,030 |
1.3% |
Total |
$90,558,607 |
15.3% | |
|
| Material Fund Change [Text Block] |
|
|
| C000141791 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
AB Small Cap Value Portfolio
|
|
| Class Name |
Class C
|
|
| Trading Symbol |
SCCVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the AB Small Cap Value Portfolio (the “Fund”) for the period of December 1, 2025 to May 31, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at https://www.abfunds.com/link/AB/SCCVX-S. You can also request this information by contacting us at (800) 227 4618.
|
|
| Additional Information Phone Number |
(800) 227 4618
|
|
| Additional Information Website |
https://www.abfunds.com/link/AB/SCCVX-S
|
|
| Expenses [Text Block] |
What were the Fund costs for the last six months?(Based on a hypothetical $10,000 investment)
Table Summary
Class Name |
Cost of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
Class C |
$105 |
1.93%Footnote Reference* |
| Footnote |
Description |
Footnote* |
Annualized | |
|
| Expenses Paid, Amount |
$ 105
|
|
| Expense Ratio, Percent |
1.93%
|
[3] |
| AssetsNet |
$ 592,863,391
|
|
| Holdings Count | Holding |
106
|
|
| Advisory Fees Paid, Amount |
$ 2,246,295
|
|
| InvestmentCompanyPortfolioTurnover |
29.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Net Assets |
$592,863,391 |
# of Portfolio Holdings |
106 |
Portfolio Turnover Rate |
29% |
Total Advisory Fees Paid (Net) |
$2,246,295 | |
|
| Holdings [Text Block] |
Sector Breakdown (% of Net Assets)
Table Summary
Financials |
21.9% |
Industrials |
20.2% |
Consumer Discretionary |
13.6% |
Information Technology |
11.0% |
Real Estate |
7.1% |
Energy |
6.4% |
Health Care |
6.3% |
Materials |
6.0% |
Utilities |
3.5% |
Consumer Staples |
2.9% |
Others |
0.5% |
Short-Term Investments |
1.4% |
Other assets less liabilities |
-0.8% |
Total |
100.0% | |
|
| Largest Holdings [Text Block] |
Table Summary
Company |
U.S. $ Value |
% of Net Assets |
BorgWarner, Inc. |
$10,517,895 |
1.8% |
Select Water Solutions, Inc. |
$9,998,611 |
1.7% |
Cardinal Infrastructure Group, Inc. - Class A |
$9,388,250 |
1.6% |
Seadrill Ltd. |
$9,190,414 |
1.5% |
Worthington Steel, Inc. |
$8,981,829 |
1.5% |
Versigent PLC |
$8,810,367 |
1.5% |
Avnet, Inc. |
$8,712,299 |
1.5% |
Extreme Networks, Inc. |
$8,610,156 |
1.5% |
Plexus Corp. |
$8,360,756 |
1.4% |
HA Sustainable Infrastructure Capital, Inc. |
$7,988,030 |
1.3% |
Total |
$90,558,607 |
15.3% | |
|
| Material Fund Change [Text Block] |
|
|
| C000249214 |
|
|
| Shareholder Report [Line Items] |
|
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| Fund Name |
AB Mid Cap Value Portfolio
|
|
| Class Name |
Class Z
|
|
| Trading Symbol |
ABMVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the AB Mid Cap Value Portfolio (the “Fund”) for the period of December 1, 2025 to May 31, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at https://www.abfunds.com/link/AB/ABMVX-S. You can also request this information by contacting us at (800) 227 4618.
|
|
| Additional Information Phone Number |
(800) 227 4618
|
|
| Additional Information Website |
https://www.abfunds.com/link/AB/ABMVX-S
|
|
| Expenses [Text Block] |
What were the Fund costs for the last six months?(Based on a hypothetical $10,000 investment)
Table Summary
Class Name |
Cost of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
Class Z |
$36 |
0.67%Footnote Reference* |
| Footnote |
Description |
Footnote* |
Annualized | |
|
| Expenses Paid, Amount |
$ 36
|
|
| Expense Ratio, Percent |
0.67%
|
[4] |
| AssetsNet |
$ 2,720,967
|
|
| Holdings Count | Holding |
57
|
|
| Advisory Fees Paid, Amount |
$ 0
|
|
| InvestmentCompanyPortfolioTurnover |
18.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Net Assets |
$2,720,967 |
# of Portfolio Holdings |
57 |
Portfolio Turnover Rate |
18% |
Total Advisory Fees Paid (Net) |
$0 | |
|
| Holdings [Text Block] |
Sector Breakdown (% of Net Assets)
Table Summary
Industrials |
20.7% |
Financials |
13.9% |
Information Technology |
12.9% |
Health Care |
9.1% |
Materials |
8.3% |
Consumer Discretionary |
8.2% |
Real Estate |
8.1% |
Energy |
6.6% |
Utilities |
5.9% |
Consumer Staples |
5.3% |
Short-Term Investments |
1.9% |
Other assets less liabilities |
-0.9% |
Total |
100.0% | |
|
| Largest Holdings [Text Block] |
Table Summary
Company |
U.S. $ Value |
% of Net Assets |
TD SYNNEX Corp. |
$91,970 |
3.4% |
Reliance, Inc. |
$84,150 |
3.1% |
Ameren Corp. |
$83,677 |
3.1% |
TechnipFMC PLC |
$78,067 |
2.9% |
Alliant Energy Corp. |
$76,837 |
2.8% |
Invesco Ltd. |
$73,256 |
2.7% |
Dollar Tree, Inc. |
$71,378 |
2.6% |
United Rentals, Inc. |
$67,705 |
2.5% |
ON Semiconductor Corp. |
$67,186 |
2.4% |
NXP Semiconductors NV |
$62,663 |
2.3% |
Total |
$756,889 |
27.8% | |
|
| Material Fund Change [Text Block] |
|
|
|
|