S000010413 [Member] Investment Risks - AB International Value Fund
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Jun. 30, 2026 |
| Foreign Non US Risk [Member] |
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| Prospectus [Line Items] |
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Foreign
(Non‑U.S.) Risk: Investments in securities of non‑U.S. issuers may involve more risk than those of U.S. issuers. These
securities may fluctuate more widely in price and may be more difficult to trade due to adverse market, economic, political, regulatory
or other factors. |
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| Currency Risk [Member] |
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| Prospectus [Line Items] |
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Currency
Risk: Fluctuations in currency exchange rates may negatively affect the value of the Fund’s investments or reduce its returns.
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| Derivatives Risks [Member] |
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Derivatives
Risk: Derivatives may be difficult to price or unwind and leveraged so that small changes may produce disproportionate losses for
the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying
asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over‑the‑counter
derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction)
on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. |
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| Capital Gain Risk [Member] |
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Capital
Gain Risk: As of the date of this Prospectus, a substantial portion of the Fund’s net asset value is attributable to realized
and/or net unrealized capital gains on portfolio securities. If the Fund realizes capital gains in excess of realized capital losses in
any fiscal year, it generally expects to make capital gain distributions to shareholders. You may receive distributions that are attributable
to appreciation of portfolio securities that happened before you made your investment. Unless you purchase shares through a tax‑advantaged
account (such as an IRA or 401(k) plan), these distributions will be taxable to you even though they economically represent a return of
a portion of your investment. You should consult your tax professional about your investment in the Fund. |
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| Management Risk [Member] |
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Management
Risk: The Fund is subject to management risk because it is an actively-managed investment fund. The Adviser will apply its investment
techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results.
Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate
accurate forecasts, reduce risk or otherwise perform as expected. |
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| Emerging Market Risk [Member] |
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| Prospectus [Line Items] |
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Emerging
Market Risk: Investments in emerging market countries may have more risks than investments in other foreign countries because the
markets are less developed, less liquid and are subject to increased potential for market manipulation and increased economic, political,
regulatory or other uncertainties. |
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| Leverage Risk [Member] |
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Leverage
Risk: To the extent the Fund uses leveraging techniques, the value of its shares may be more volatile because leverage tends to
exaggerate the effect of any increase or decrease in the value of the Fund’s investments. |
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| Market Risks [Member] |
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Market
Risk: The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value
of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other local, regional
or global events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing
interest rate levels, the imposition of new or additional tariffs, or global conflicts, any of which can affect large portions of the
securities markets. It includes the risk that a particular style of investing may be underperforming the market generally. |
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| Risk Lose Money [Member] |
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| Prospectus [Line Items] |
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| Risk [Text Block] |
As with all investments, you may lose
money by investing in the Fund.
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