S000010512 [Member] Performance Management - AB All Market Total Return Portfolio |
Jun. 30, 2026 |
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| Prospectus [Line Items] | |||||||
| Bar Chart and Performance Table [Heading] | BAR CHART AND PERFORMANCE INFORMATION | ||||||
| Performance Narrative [Text Block] |
The bar chart and performance information
provide an indication of the historical risk of an investment in the Fund by showing:
You may obtain updated performance information
on the Fund’s website at www.abfunds.com
(click on “Investments—Mutual Funds”).
The Fund’s past performance before
and after taxes, of course, does not necessarily indicate how it will perform in the future.
Effective April 24,
2017, the Fund changed its name from AB Balanced Wealth Strategy to AB All Market Total Return Portfolio and made certain material changes
to its principal strategies, including the elimination of rela-
tively static asset
allocation targets for investment, and increased investment in derivatives and securities of non‑U.S. issuers. Accordingly, the
performance shown below for periods prior to April 24, 2017 is based on the Fund’s prior principal strategies and may not be
representative of the Fund’s performance under its current principal strategies.
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| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. | ||||||
| Performance Information Illustrates Variability of Returns [Text] | how the Fund’s performance changed from year to year over ten years; andhow the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index. | ||||||
| Performance Additional Market Index [Text] | The information for the Bloomberg Global Aggregate Bond (USD Hedged) Index is presented to show how the Fund’s performance compares with the returns of an index of securities similar to those in which the Fund invests. | ||||||
| Bar Chart Narrative [Text Block] |
The
annual returns in the bar chart are for the Fund’s Class A shares and do not reflect sales loads. If sales loads were reflected,
returns would be less than those shown. Through September 30,
2026, the year‑to‑date
unannualized return for Class A shares was 7.64%.
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| Bar Chart Does Not Reflect Sales Loads [Text] | The annual returns in the bar chart are for the Fund’s Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. | ||||||
| Bar Chart [Heading] | Bar Chart | ||||||
| Bar Chart Closing [Text Block] | Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 10.92%, 2nd quarter, 2020; and Worst Quarter was down -17.98%, 1st quarter, 2020. | ||||||
| Performance Table Heading | Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) | ||||||
| Performance Table Uses Highest Federal Rate | After‑tax returns:–Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; | ||||||
| Performance Table Not Relevant to Tax Deferred | actual after‑tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax‑deferred arrangements such as 401(k) plans or individual retirement accounts. | ||||||
| Performance Table One Class of after Tax Shown [Text] | After‑tax returns:–Are shown for Class A shares only and will vary for other Classes of shares because these Classes have different expense ratios; | ||||||
| Performance Availability Website Address [Text] | www.abfunds.com | ||||||
| Class A | |||||||
| Prospectus [Line Items] | |||||||
| Year to Date Return, Label [Optional Text] | year‑to‑date | ||||||
| Bar Chart, Year to Date Return | 7.64% | ||||||
| Bar Chart, Year to Date Return, Date | Sep. 30, 2026 | ||||||
| Highest Quarterly Return, Label [Optional Text] | Best Quarter | ||||||
| Highest Quarterly Return | 10.92% | ||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | ||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter | ||||||
| Lowest Quarterly Return | (17.98%) | ||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 |