Shareholder Report | 6 Months Ended | 110 Months Ended |
Jun. 30, 2024 USD ($) Holding | Jun. 30, 2024 USD ($) Holding |
Shareholder Report [Line Items] | | |
Document Type | N-CSRS | |
Amendment Flag | false | |
Registrant Name | AB VARIABLE PRODUCTS SERIES FUND, INC. | |
Entity Central Index Key | 0000825316 | |
Entity Investment Company Type | N-1A | |
Document Period End Date | Jun. 30, 2024 | |
C000098721 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Dynamic Asset Allocation | |
Class Name | Class A | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Dynamic Asset Allocation (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VD-A-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VD-A-S</span>" id="sjs-B18"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VD-A-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $44 0.85% | |
Expenses Paid, Amount | $ 44 | |
Expense Ratio, Percent | 0.85% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B22"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class A MSCI World Index Blended Benchmark: 60% MSCI World Index/ 40% Bloomberg US Treasury Index Bloomberg U.S. Treasury Index 06/14 $10,000 $10,000 $10,000 $10,000 12/14 $10,018 $9,883 $10,021 $10,228 12/15 $9,909 $9,797 $10,029 $10,314 12/16 $10,265 $10,533 $10,538 $10,421 12/17 $11,770 $12,892 $12,012 $10,662 12/18 $10,939 $11,769 $11,444 $10,753 12/19 $12,635 $15,025 $13,646 $11,491 12/20 $13,270 $17,415 $15,524 $12,410 12/21 $14,554 $21,214 $17,341 $12,122 12/22 $11,869 $17,366 $14,638 $10,611 12/23 $13,495 $21,496 $16,929 $11,041 06/24 $14,385 $24,021 $18,044 $10,946 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class A 6.59% 11.89% 3.57% 3.70% MSCI World Index 11.75% 20.19% 11.78% 9.16% Blended Benchmark: 60% MSCI World Index/ 40% Bloomberg US Treasury Index 6.58% 12.50% 7.01% 6.08% Bloomberg U.S. Treasury Index - 1.55% - 0.91% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 256,932,452 | $ 256,932,452 |
Holdings Count | Holding | 1,538 | 1,538 |
Advisory Fees Paid, Amount | $ 813,731 | |
InvestmentCompanyPortfolioTurnover | 6% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $256,932,452 # of Portfolio Holdings 1,538 Portfolio Turnover Rate 6% Total Advisory Fees Paid $813,731 | |
Holdings [Text Block] | Security Type Breakdown Value Value Common Stocks 64.1% Governments - Treasuries 32.5% Agencies 0.8% Short-Term Investments 2.9% Other assets less liabilities - | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets Microsoft Corp. $7,844,866 3.1% Apple, Inc. $7,682,364 3.0% NVIDIA Corp. $7,679,246 3.0% U.S. Treasury Notes, 2.00%, due 11/15/26 $4,524,216 1.8% Amazon.com, Inc. $4,498,667 1.8% U.S. Treasury Notes, 2.38%, due 05/15/27 $4,113,262 1.6% U.S. Treasury Notes, 2.25%, due 11/15/27 $3,339,455 1.3% Meta Platforms, Inc. - Class A $2,746,991 1.1% Alphabet, Inc. - Class A $2,668,862 1.1% U.S. Treasury Notes, 1.63%, due 05/15/31 $2,589,003 1.0% Total $47,686,932 18.8% | |
Material Fund Change [Text Block] | | |
C000098722 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Dynamic Asset Allocation | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Dynamic Asset Allocation (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VD-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VD-B-S</span>" id="sjs-B42"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VD-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $56 1.10% | |
Expenses Paid, Amount | $ 56 | |
Expense Ratio, Percent | 1.10% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B46"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class B MSCI World Index Blended Benchmark: 60% MSCI World Index/ 40% Bloomberg US Treasury Index Bloomberg U.S. Treasury Index 06/14 $10,000 $10,000 $10,000 $10,000 12/14 $10,001 $9,883 $10,021 $10,228 12/15 $9,871 $9,797 $10,029 $10,314 12/16 $10,203 $10,533 $10,538 $10,421 12/17 $11,665 $12,892 $12,012 $10,662 12/18 $10,808 $11,769 $11,444 $10,753 12/19 $12,455 $15,025 $13,646 $11,491 12/20 $13,060 $17,415 $15,524 $12,410 12/21 $14,272 $21,214 $17,341 $12,122 12/22 $11,606 $17,366 $14,638 $10,611 12/23 $13,170 $21,496 $16,929 $11,041 06/24 $14,029 $24,021 $18,044 $10,946 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class B 6.52% 11.67% 3.32% 3.44% MSCI World Index 11.75% 20.19% 11.78% 9.16% Blended Benchmark: 60% MSCI World Index/ 40% Bloomberg US Treasury Index 6.58% 12.50% 7.01% 6.08% Bloomberg U.S. Treasury Index - 1.55% - 0.91% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 256,932,452 | $ 256,932,452 |
Holdings Count | Holding | 1,538 | 1,538 |
Advisory Fees Paid, Amount | $ 813,731 | |
InvestmentCompanyPortfolioTurnover | 6% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $256,932,452 # of Portfolio Holdings 1,538 Portfolio Turnover Rate 6% Total Advisory Fees Paid $813,731 | |
Holdings [Text Block] | Security Type Breakdown Value Value Common Stocks 64.1% Governments - Treasuries 32.5% Agencies 0.8% Short-Term Investments 2.9% Other assets less liabilities - | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets Microsoft Corp. $7,844,866 3.1% Apple, Inc. $7,682,364 3.0% NVIDIA Corp. $7,679,246 3.0% U.S. Treasury Notes, 2.00%, due 11/15/26 $4,524,216 1.8% Amazon.com, Inc. $4,498,667 1.8% U.S. Treasury Notes, 2.38%, due 05/15/27 $4,113,262 1.6% U.S. Treasury Notes, 2.25%, due 11/15/27 $3,339,455 1.3% Meta Platforms, Inc. - Class A $2,746,991 1.1% Alphabet, Inc. - Class A $2,668,862 1.1% U.S. Treasury Notes, 1.63%, due 05/15/31 $2,589,003 1.0% Total $47,686,932 18.8% | |
Material Fund Change [Text Block] | | |
C000154814 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Global Risk Allocation - Moderate | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Global Risk Allocation - Moderate (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64V2-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64V2-B-S</span>" id="sjs-B66"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64V2-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $39 0.75% | |
Expenses Paid, Amount | $ 39 | |
Expense Ratio, Percent | 0.75% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B70"><p style="line-height: 15.6px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class B MSCI World Index (net, USD Hedged) Blended Benchmark: 60% MSCI World Index (net, USD hedged)/40% Bloomberg Global G7 Treasury Index (USD hedged) 04/15 $10,000 $10,000 $10,000 12/15 $9,380 $9,479 $9,691 12/16 $9,778 $10,369 $10,402 12/17 $10,903 $12,353 $11,655 12/18 $10,375 $11,539 $11,328 12/19 $12,172 $14,819 $13,546 12/20 $12,471 $16,933 $15,091 12/21 $13,964 $21,062 $17,104 12/22 $12,000 $17,822 $14,784 12/23 $13,775 $22,153 $17,261 06/24 $14,881 $25,213 $18,597 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years Since Inception 4/28/15 Class B 8.03% 13.74% 5.24% 4.43% MSCI World Index (net, USD Hedged) 13.81% 22.32% 13.26% 10.60% Blended Benchmark: 60% MSCI World Index (net, USD hedged)/40% Bloomberg Global G7 Treasury Index (USD hedged) 7.74% 13.92% 7.86% 6.99% | |
Performance Inception Date | | Apr. 28, 2015 |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 762,164,785 | $ 762,164,785 |
Holdings Count | Holding | 1,256 | 1,256 |
Advisory Fees Paid, Amount | $ 1,681,539 | |
InvestmentCompanyPortfolioTurnover | 6% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $762,164,785 # of Portfolio Holdings 1,256 Portfolio Turnover Rate 6% Total Advisory Fees Paid $1,681,539 | |
Holdings [Text Block] | Security Type Breakdown Value Value Common Stocks 78.0% Governments - Treasuries 2.5% Investment Companies 0.3% Short-Term Investments 16.1% Other assets less liabilities 3.1% | |
Material Fund Change [Text Block] | | |
C000028852 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Balanced Hedged Allocation Portfolio | |
Class Name | Class A | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Balanced Hedged Allocation Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VW-A-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VW-A-S</span>" id="sjs-B90"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VW-A-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $33 0.64% | |
Expenses Paid, Amount | $ 33 | |
Expense Ratio, Percent | 0.64% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B94"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class A MSCI ACWI (net) Bloomberg U.S. Aggregate Bond Index 06/14 $10,000 $10,000 $10,000 12/14 $10,134 $9,810 $10,196 12/15 $10,301 $9,578 $10,252 12/16 $10,784 $10,331 $10,524 12/17 $12,493 $12,808 $10,897 12/18 $11,722 $11,602 $10,898 12/19 $13,894 $14,688 $11,848 12/20 $15,202 $17,075 $12,737 12/21 $17,289 $20,241 $12,541 12/22 $14,006 $16,524 $10,909 12/23 $15,832 $20,192 $11,512 06/24 $16,643 $22,474 $11,430 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class A 5.13% 10.43% 4.88% 5.23% MSCI ACWI (net) 11.30% 19.38% 10.76% 8.43% Bloomberg U.S. Aggregate Bond Index - 2.63% - 1.35% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 164,615,829 | $ 164,615,829 |
Holdings Count | Holding | 28 | 28 |
Advisory Fees Paid, Amount | $ 367,208 | |
InvestmentCompanyPortfolioTurnover | 1% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $164,615,829 # of Portfolio Holdings 28 Portfolio Turnover Rate 1% Total Advisory Fees Paid $367,208 | |
Holdings [Text Block] | Portfolio Breakdown Value Value Investment Companies 88.8% Purchased Options - Calls 4.7% Inflation-Linked Securities 2.9% Common Stocks -% Purchased Options - Puts -% Short-Term Investments 8.7% | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets iShares Core S&P 500 ETF $50,837,667 30.9% iShares Core U.S. Aggregate Bond ETF $25,675,015 15.6% Vanguard Total Bond Market ETF $25,664,210 15.6% iShares Core MSCI EAFE ETF $19,561,952 11.9% iShares Core MSCI Emerging Markets ETF $10,979,003 6.6% Vanguard Mid-Cap ETF $5,447,250 3.3% U.S. Treasury Inflation Index, 0.13%, due 01/15/32 $4,779,847 2.9% Vanguard Real Estate ETF $4,104,240 2.5% Vanguard Small-Cap ETF $3,946,524 2.4% S&P 500 Index, 4500.00%, due 12/19/25 $2,384,010 1.4% Total $153,379,718 93.1% | |
Material Fund Change [Text Block] | | |
C000028853 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Balanced Hedged Allocation Portfolio | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Balanced Hedged Allocation Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VW-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VW-B-S</span>" id="sjs-B114"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VW-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $45 0.89% | |
Expenses Paid, Amount | $ 45 | |
Expense Ratio, Percent | 0.89% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B118"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class B MSCI ACWI (net) Bloomberg U.S. Aggregate Bond Index 06/14 $10,000 $10,000 $10,000 12/14 $10,125 $9,810 $10,196 12/15 $10,256 $9,578 $10,252 12/16 $10,712 $10,331 $10,524 12/17 $12,385 $12,808 $10,897 12/18 $11,591 $11,602 $10,898 12/19 $13,701 $14,688 $11,848 12/20 $14,969 $17,075 $12,737 12/21 $16,969 $20,241 $12,541 12/22 $13,716 $16,524 $10,909 12/23 $15,453 $20,192 $11,512 06/24 $16,241 $22,474 $11,430 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class B 5.10% 10.28% 4.63% 4.97% MSCI ACWI (net) 11.30% 19.38% 10.76% 8.43% Bloomberg U.S. Aggregate Bond Index - 2.63% - 1.35% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 164,615,829 | $ 164,615,829 |
Holdings Count | Holding | 28 | 28 |
Advisory Fees Paid, Amount | $ 367,208 | |
InvestmentCompanyPortfolioTurnover | 1% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $164,615,829 # of Portfolio Holdings 28 Portfolio Turnover Rate 1% Total Advisory Fees Paid $367,208 | |
Holdings [Text Block] | Portfolio Breakdown Value Value Investment Companies 88.8% Purchased Options - Calls 4.7% Inflation-Linked Securities 2.9% Common Stocks -% Purchased Options - Puts -% Short-Term Investments 8.7% | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets iShares Core S&P 500 ETF $50,837,667 30.9% iShares Core U.S. Aggregate Bond ETF $25,675,015 15.6% Vanguard Total Bond Market ETF $25,664,210 15.6% iShares Core MSCI EAFE ETF $19,561,952 11.9% iShares Core MSCI Emerging Markets ETF $10,979,003 6.6% Vanguard Mid-Cap ETF $5,447,250 3.3% U.S. Treasury Inflation Index, 0.13%, due 01/15/32 $4,779,847 2.9% Vanguard Real Estate ETF $4,104,240 2.5% Vanguard Small-Cap ETF $3,946,524 2.4% S&P 500 Index, 4500.00%, due 12/19/25 $2,384,010 1.4% Total $153,379,718 93.1% | |
Material Fund Change [Text Block] | | |
C000028862 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Relative Value Portfolio | |
Class Name | Class A | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Relative Value Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VH-A-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VH-A-S</span>" id="sjs-B138"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VH-A-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $31 0.59% | |
Expenses Paid, Amount | $ 31 | |
Expense Ratio, Percent | 0.59% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B142"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class A S&P 500 Index Russell 1000 Value Index 06/14 $10,000 $10,000 $10,000 12/14 $10,523 $10,612 $10,478 12/15 $10,702 $10,758 $10,077 12/16 $11,911 $12,045 $11,824 12/17 $14,165 $14,675 $13,440 12/18 $13,371 $14,031 $12,329 12/19 $16,568 $18,449 $15,601 12/20 $17,019 $21,844 $16,037 12/21 $21,811 $28,114 $20,072 12/22 $20,897 $23,023 $18,559 12/23 $23,410 $29,075 $20,686 06/24 $25,458 $33,521 $22,057 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class A 8.74% 17.49% 10.77% 9.79% S&P 500 Index 15.29% 24.56% 15.05% 12.86% Russell 1000 Value Index 6.63% 13.06% 9.01% 8.23% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 891,969,286 | $ 891,969,286 |
Holdings Count | Holding | 70 | 70 |
Advisory Fees Paid, Amount | $ 2,395,358 | |
InvestmentCompanyPortfolioTurnover | 29% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $891,969,286 # of Portfolio Holdings 70 Portfolio Turnover Rate 29% Total Advisory Fees Paid $2,395,358 | |
Holdings [Text Block] | Sector Allocation Value Value Financials 20.4% Health Care 18.3% Industrials 17.3% Information Technology 9.5% Energy 8.5% Consumer Staples 7.4% Communication Services 5.7% Consumer Discretionary 4.7% Materials 3.6% Real Estate 1.0% Short-Term Investments 3.5% Other assets less liabilities 0.1% | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets JPMorgan Chase & Co. $33,170,640 3.7% Walmart, Inc. $32,250,273 3.6% Regeneron Pharmaceuticals, Inc. $32,207,763 3.6% Wells Fargo & Co. $31,305,004 3.5% Berkshire Hathaway, Inc. - Class B $31,056,739 3.5% Elevance Health, Inc. $30,486,669 3.4% QUALCOMM, Inc. $26,479,388 3.0% Philip Morris International, Inc. $26,163,812 2.9% Cencora, Inc. $24,573,246 2.8% Fiserv, Inc. $23,414,780 2.6% Total $291,108,314 32.6% | |
Material Fund Change [Text Block] | | |
C000028863 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Relative Value Portfolio | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Relative Value Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VH-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VH-B-S</span>" id="sjs-B162"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VH-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $44 0.84% | |
Expenses Paid, Amount | $ 44 | |
Expense Ratio, Percent | 0.84% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B166"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class B S&P 500 Index Russell 1000 Value Index 06/14 $10,000 $10,000 $10,000 12/14 $10,509 $10,612 $10,478 12/15 $10,658 $10,758 $10,077 12/16 $11,838 $12,045 $11,824 12/17 $14,040 $14,675 $13,440 12/18 $13,219 $14,031 $12,329 12/19 $16,340 $18,449 $15,601 12/20 $16,745 $21,844 $16,037 12/21 $21,406 $28,114 $20,072 12/22 $20,460 $23,023 $18,559 12/23 $22,858 $29,075 $20,686 06/24 $24,828 $33,521 $22,057 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class B 8.62% 17.17% 10.49% 9.52% S&P 500 Index 15.29% 24.56% 15.05% 12.86% Russell 1000 Value Index 6.63% 13.06% 9.01% 8.23% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 891,969,286 | $ 891,969,286 |
Holdings Count | Holding | 70 | 70 |
Advisory Fees Paid, Amount | $ 2,395,358 | |
InvestmentCompanyPortfolioTurnover | 29% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $891,969,286 # of Portfolio Holdings 70 Portfolio Turnover Rate 29% Total Advisory Fees Paid $2,395,358 | |
Holdings [Text Block] | Sector Allocation Value Value Financials 20.4% Health Care 18.3% Industrials 17.3% Information Technology 9.5% Energy 8.5% Consumer Staples 7.4% Communication Services 5.7% Consumer Discretionary 4.7% Materials 3.6% Real Estate 1.0% Short-Term Investments 3.5% Other assets less liabilities 0.1% | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets JPMorgan Chase & Co. $33,170,640 3.7% Walmart, Inc. $32,250,273 3.6% Regeneron Pharmaceuticals, Inc. $32,207,763 3.6% Wells Fargo & Co. $31,305,004 3.5% Berkshire Hathaway, Inc. - Class B $31,056,739 3.5% Elevance Health, Inc. $30,486,669 3.4% QUALCOMM, Inc. $26,479,388 3.0% Philip Morris International, Inc. $26,163,812 2.9% Cencora, Inc. $24,573,246 2.8% Fiserv, Inc. $23,414,780 2.6% Total $291,108,314 32.6% | |
Material Fund Change [Text Block] | | |
C000028828 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS International Value Portfolio | |
Class Name | Class A | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS International Value Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VF-A-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VF-A-S</span>" id="sjs-B186"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VF-A-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $43 0.85% | |
Expenses Paid, Amount | $ 43 | |
Expense Ratio, Percent | 0.85% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B190"><p style="line-height: 15.6px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class A MSCI EAFE Index (net) 06/14 $10,000 $10,000 12/14 $9,006 $9,076 12/15 $9,240 $9,002 12/16 $9,193 $9,092 12/17 $11,530 $11,369 12/18 $8,903 $9,801 12/19 $10,428 $11,958 12/20 $10,686 $12,893 12/21 $11,870 $14,345 12/22 $10,254 $12,272 12/23 $11,808 $14,510 06/24 $12,343 $15,285 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class A 4.53% 6.47% 4.95% 2.13% MSCI EAFE Index (net) 5.34% 11.54% 6.46% 4.33% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 281,334,254 | $ 281,334,254 |
Holdings Count | Holding | 64 | 64 |
Advisory Fees Paid, Amount | $ 1,009,464 | |
InvestmentCompanyPortfolioTurnover | 20% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $281,334,254 # of Portfolio Holdings 64 Portfolio Turnover Rate 20% Total Advisory Fees Paid $1,009,464 | |
Holdings [Text Block] | Sector Allocation Value Value Financials 16.0% Industrials 11.7% Consumer Discretionary 11.4% Health Care 10.2% Consumer Staples 10.2% Materials 9.5% Information Technology 8.7% Communication Services 8.3% Energy 6.6% Utilities 3.6% Short-Term Investments 8.9% Other assets less liabilities - | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets Shell PLC $9,931,792 3.5% Roche Holding AG $8,579,954 3.1% Nestle SA $7,474,490 2.7% NatWest Group PLC $7,244,515 2.6% Resona Holdings, Inc. $6,765,894 2.4% Deutsche Telekom AG $6,751,497 2.4% Tokyo Electron Ltd. $6,523,232 2.3% Sony Group Corp. $6,348,974 2.2% Koninklijke Ahold Delhaize NV $6,278,711 2.2% Taiwan Semiconductor Manufacturing Co., Ltd. $6,192,171 2.2% Total $72,091,230 25.6% | |
Material Fund Change [Text Block] | | |
C000028829 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS International Value Portfolio | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS International Value Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VF-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VF-B-S</span>" id="sjs-B210"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VF-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $55 1.09% | |
Expenses Paid, Amount | $ 55 | |
Expense Ratio, Percent | 1.09% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B214"><p style="line-height: 15.6px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class B MSCI EAFE Index (net) 06/14 $10,000 $10,000 12/14 $8,991 $9,076 12/15 $9,207 $9,002 12/16 $9,133 $9,092 12/17 $11,425 $11,369 12/18 $8,800 $9,801 12/19 $10,278 $11,958 12/20 $10,505 $12,893 12/21 $11,645 $14,345 12/22 $10,039 $12,272 12/23 $11,528 $14,510 06/24 $12,037 $15,285 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class B 4.42% 6.23% 4.69% 1.87% MSCI EAFE Index (net) 5.34% 11.54% 6.46% 4.33% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 281,334,254 | $ 281,334,254 |
Holdings Count | Holding | 64 | 64 |
Advisory Fees Paid, Amount | $ 1,009,464 | |
InvestmentCompanyPortfolioTurnover | 20% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $281,334,254 # of Portfolio Holdings 64 Portfolio Turnover Rate 20% Total Advisory Fees Paid $1,009,464 | |
Holdings [Text Block] | Sector Allocation Value Value Financials 16.0% Industrials 11.7% Consumer Discretionary 11.4% Health Care 10.2% Consumer Staples 10.2% Materials 9.5% Information Technology 8.7% Communication Services 8.3% Energy 6.6% Utilities 3.6% Short-Term Investments 8.9% Other assets less liabilities - | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets Shell PLC $9,931,792 3.5% Roche Holding AG $8,579,954 3.1% Nestle SA $7,474,490 2.7% NatWest Group PLC $7,244,515 2.6% Resona Holdings, Inc. $6,765,894 2.4% Deutsche Telekom AG $6,751,497 2.4% Tokyo Electron Ltd. $6,523,232 2.3% Sony Group Corp. $6,348,974 2.2% Koninklijke Ahold Delhaize NV $6,278,711 2.2% Taiwan Semiconductor Manufacturing Co., Ltd. $6,192,171 2.2% Total $72,091,230 25.6% | |
Material Fund Change [Text Block] | | |
C000028830 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Large Cap Growth Portfolio | |
Class Name | Class A | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Large Cap Growth Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VL-A-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VL-A-S</span>" id="sjs-B234"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VL-A-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $35 0.64% | |
Expenses Paid, Amount | $ 35 | |
Expense Ratio, Percent | 0.64% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B238"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class A S&P 500 Index Russell 1000 Growth Index 06/14 $10,000 $10,000 $10,000 12/14 $10,922 $10,612 $10,634 12/15 $12,135 $10,758 $11,237 12/16 $12,454 $12,045 $12,032 12/17 $16,438 $14,675 $15,667 12/18 $16,862 $14,031 $15,430 12/19 $22,712 $18,449 $21,045 12/20 $30,771 $21,844 $29,146 12/21 $39,686 $28,114 $37,189 12/22 $28,372 $23,023 $26,354 12/23 $38,339 $29,075 $37,601 06/24 $45,847 $33,521 $45,384 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class A 19.59% 31.59% 17.53% 16.45% S&P 500 Index 15.29% 24.56% 15.05% 12.86% Russell 1000 Growth Index 20.70% 33.48% 19.34% 16.33% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 903,554,359 | $ 903,554,359 |
Holdings Count | Holding | 51 | 51 |
Advisory Fees Paid, Amount | $ 2,501,139 | |
InvestmentCompanyPortfolioTurnover | 13% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $903,554,359 # of Portfolio Holdings 51 Portfolio Turnover Rate 13% Total Advisory Fees Paid $2,501,139 | |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 36.0% Health Care 18.6% Consumer Discretionary 13.6% Communication Services 13.4% Consumer Staples 6.2% Industrials 5.7% Financials 3.9% Materials 1.2% Short-Term Investments 1.4% Other assets less liabilities 0.0% | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets NVIDIA Corp. $87,194,532 9.6% Microsoft Corp. $85,656,627 9.5% Amazon.com, Inc. $55,985,491 6.2% Alphabet, Inc. - Class C $51,173,080 5.7% Meta Platforms, Inc. - Class A $44,055,214 4.9% Visa, Inc. - Class A $35,351,034 3.9% Costco Wholesale Corp. $28,742,412 3.2% Eli Lilly & Co. $27,111,604 3.0% Vertex Pharmaceuticals, Inc. $26,501,429 2.9% Intuitive Surgical, Inc. $25,942,317 2.9% Total $467,713,740 51.8% | |
Material Fund Change [Text Block] | | |
C000028831 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Large Cap Growth Portfolio | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Large Cap Growth Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VL-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VL-B-S</span>" id="sjs-B258"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VL-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $49 0.89% | |
Expenses Paid, Amount | $ 49 | |
Expense Ratio, Percent | 0.89% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B262"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class B S&P 500 Index Russell 1000 Growth Index 06/14 $10,000 $10,000 $10,000 12/14 $10,907 $10,612 $10,634 12/15 $12,091 $10,758 $11,237 12/16 $12,376 $12,045 $12,032 12/17 $16,295 $14,675 $15,667 12/18 $16,674 $14,031 $15,430 12/19 $22,403 $18,449 $21,045 12/20 $30,277 $21,844 $29,146 12/21 $38,952 $28,114 $37,189 12/22 $27,778 $23,023 $26,354 12/23 $37,441 $29,075 $37,601 06/24 $44,721 $33,521 $45,384 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class B 19.44% 31.26% 17.24% 16.16% S&P 500 Index 15.29% 24.56% 15.05% 12.86% Russell 1000 Growth Index 20.70% 33.48% 19.34% 16.33% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 903,554,359 | $ 903,554,359 |
Holdings Count | Holding | 51 | 51 |
Advisory Fees Paid, Amount | $ 2,501,139 | |
InvestmentCompanyPortfolioTurnover | 13% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $903,554,359 # of Portfolio Holdings 51 Portfolio Turnover Rate 13% Total Advisory Fees Paid $2,501,139 | |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 36.0% Health Care 18.6% Consumer Discretionary 13.6% Communication Services 13.4% Consumer Staples 6.2% Industrials 5.7% Financials 3.9% Materials 1.2% Short-Term Investments 1.4% Other assets less liabilities 0.0% | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets NVIDIA Corp. $87,194,532 9.6% Microsoft Corp. $85,656,627 9.5% Amazon.com, Inc. $55,985,491 6.2% Alphabet, Inc. - Class C $51,173,080 5.7% Meta Platforms, Inc. - Class A $44,055,214 4.9% Visa, Inc. - Class A $35,351,034 3.9% Costco Wholesale Corp. $28,742,412 3.2% Eli Lilly & Co. $27,111,604 3.0% Vertex Pharmaceuticals, Inc. $26,501,429 2.9% Intuitive Surgical, Inc. $25,942,317 2.9% Total $467,713,740 51.8% | |
Material Fund Change [Text Block] | | |
C000028836 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Small Cap Growth Portfolio | |
Class Name | Class A | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Small Cap Growth Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VS-A-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VS-A-S</span>" id="sjs-B282"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VS-A-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $46 0.90% | |
Expenses Paid, Amount | $ 46 | |
Expense Ratio, Percent | 0.90% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B286"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class A S&P 500 Index Russell 2000 Growth Index 06/14 $10,000 $10,000 $10,000 12/14 $9,642 $10,612 $10,331 12/15 $9,521 $10,758 $10,189 12/16 $10,137 $12,045 $11,342 12/17 $13,596 $14,675 $13,856 12/18 $13,474 $14,031 $12,566 12/19 $18,379 $18,449 $16,145 12/20 $28,301 $21,844 $21,737 12/21 $30,978 $28,114 $22,353 12/22 $18,867 $23,023 $16,461 12/23 $22,267 $29,075 $19,533 06/24 $23,739 $33,521 $20,400 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class A 6.61% 8.12% 6.15% 9.03% S&P 500 Index 15.29% 24.56% 15.05% 12.86% Russell 2000 Growth Index 4.44% 9.14% 6.17% 7.39% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 56,427,880 | $ 56,427,880 |
Holdings Count | Holding | 97 | 97 |
Advisory Fees Paid, Amount | $ 115,345 | |
InvestmentCompanyPortfolioTurnover | 50% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $56,427,880 # of Portfolio Holdings 97 Portfolio Turnover Rate 50% Total Advisory Fees Paid $115,345 | |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 24.0% Health Care 22.1% Industrials 19.0% Consumer Discretionary 14.4% Financials 6.1% Energy 5.3% Consumer Staples 5.1% Materials 2.1% Real Estate 1.0% Short-Term Investments 2.3% Other assets less liabilities - | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets Fabrinet $1,176,216 2.1% SPS Commerce, Inc. $1,074,017 1.9% SPX Technologies, Inc. $1,046,719 1.9% Altair Engineering, Inc. - Class A $982,369 1.7% Boot Barn Holdings, Inc. $982,318 1.7% PROCEPT BioRobotics Corp. $926,735 1.6% Leonardo DRS, Inc. $910,324 1.6% MACOM Technology Solutions Holdings, Inc. $887,636 1.6% TechnipFMC PLC $864,885 1.5% StepStone Group, Inc. - Class A $856,629 1.5% Total $9,707,848 17.1% | |
Material Fund Change [Text Block] | | |
C000028837 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Small Cap Growth Portfolio | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Small Cap Growth Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VS-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VS-B-S</span>" id="sjs-B306"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VS-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $59 1.15% | |
Expenses Paid, Amount | $ 59 | |
Expense Ratio, Percent | 1.15% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B310"><p style="line-height: 13.8667px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class B S&P 500 Index Russell 2000 Growth Index 06/14 $10,000 $10,000 $10,000 12/14 $9,630 $10,612 $10,331 12/15 $9,482 $10,758 $10,189 12/16 $10,072 $12,045 $11,342 12/17 $13,474 $14,675 $13,856 12/18 $13,325 $14,031 $12,566 12/19 $18,122 $18,449 $16,145 12/20 $27,843 $21,844 $21,737 12/21 $30,405 $28,114 $22,353 12/22 $18,467 $23,023 $16,461 12/23 $21,740 $29,075 $19,533 06/24 $23,159 $33,521 $20,400 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class B 6.52% 7.88% 5.89% 8.76% S&P 500 Index 15.29% 24.56% 15.05% 12.86% Russell 2000 Growth Index 4.44% 9.14% 6.17% 7.39% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 56,427,880 | $ 56,427,880 |
Holdings Count | Holding | 97 | 97 |
Advisory Fees Paid, Amount | $ 115,345 | |
InvestmentCompanyPortfolioTurnover | 50% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $56,427,880 # of Portfolio Holdings 97 Portfolio Turnover Rate 50% Total Advisory Fees Paid $115,345 | |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 24.0% Health Care 22.1% Industrials 19.0% Consumer Discretionary 14.4% Financials 6.1% Energy 5.3% Consumer Staples 5.1% Materials 2.1% Real Estate 1.0% Short-Term Investments 2.3% Other assets less liabilities - | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets Fabrinet $1,176,216 2.1% SPS Commerce, Inc. $1,074,017 1.9% SPX Technologies, Inc. $1,046,719 1.9% Altair Engineering, Inc. - Class A $982,369 1.7% Boot Barn Holdings, Inc. $982,318 1.7% PROCEPT BioRobotics Corp. $926,735 1.6% Leonardo DRS, Inc. $910,324 1.6% MACOM Technology Solutions Holdings, Inc. $887,636 1.6% TechnipFMC PLC $864,885 1.5% StepStone Group, Inc. - Class A $856,629 1.5% Total $9,707,848 17.1% | |
Material Fund Change [Text Block] | | |
C000028838 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Discovery Value Portfolio | |
Class Name | Class A | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Discovery Value Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VQ-A-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VQ-A-S</span>" id="sjs-B330"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VQ-A-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $40 0.80% | |
Expenses Paid, Amount | $ 40 | |
Expense Ratio, Percent | 0.80% | |
Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not a good predictor of the Fund’s future performance.</span>" id="sjs-B334"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span> | |
Line Graph [Table Text Block] | Class A S&P 500 Index Russell 2500 Index Russell 2500 Value Index 06/14 $10,000 $10,000 $10,000 $10,000 12/14 $10,071 $10,612 $10,707 $9,930 12/15 $9,518 $10,758 $10,396 $9,385 12/16 $11,906 $12,045 $12,225 $11,750 12/17 $13,472 $14,675 $14,280 $12,967 12/18 $11,447 $14,031 $12,852 $11,365 12/19 $13,747 $18,449 $16,420 $14,043 12/20 $14,211 $21,844 $19,703 $14,728 12/21 $19,319 $28,114 $23,286 $18,819 12/22 $16,300 $23,023 $19,008 $16,357 12/23 $19,100 $29,075 $22,320 $18,971 06/24 $19,574 $33,521 $22,844 $19,256 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class A 2.48% 12.32% 8.45% 6.95% S&P 500 Index 15.29% 24.56% 15.05% 12.86% Russell 2500 Index 2.35% 10.47% 8.31% 7.99% Russell 2500 Value Index 1.50% 11.24% 8.01% 6.77% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
Performance Table Market Index Changed [Text Block] | The primary broad-based index used for comparison with the Fund’s performance has changed from the Russell 2500 Value Index to the S&P 500 Index to comply with new regulations that require the Fund’s primary benchmark to reflect the overall market in which the Fund may invest. The Fund’s previous primary benchmark, the Russell 2500 Value Index, which more closely reflects the market segment in which the Fund invests, is the Fund’s secondary benchmark, replacing the Russell 2500 Index as the secondary benchmark. | |
AssetsNet | $ 684,823,308 | $ 684,823,308 |
Holdings Count | Holding | 96 | 96 |
Advisory Fees Paid, Amount | $ 2,607,501 | |
InvestmentCompanyPortfolioTurnover | 26% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $684,823,308 # of Portfolio Holdings 96 Portfolio Turnover Rate 26% Total Advisory Fees Paid $2,607,501 | |
Holdings [Text Block] | Sector Allocation Value Value Industrials 21.3% Financials 19.8% Consumer Discretionary 16.8% Information Technology 12.7% Real Estate 7.1% Energy 5.4% Health Care 5.4% Materials 3.3% Utilities 2.7% Communication Services 2.6% Consumer Staples 2.3% Short-Term Investments 0.8% Other assets less liabilities - | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets MasTec, Inc. $10,900,248 1.6% Jones Lang LaSalle, Inc. $10,709,047 1.6% First Citizens BancShares, Inc./NC - Class A $10,628,630 1.5% ArcBest Corp. $10,041,320 1.5% ADT, Inc. $9,807,754 1.4% Nexstar Media Group, Inc. $9,761,886 1.4% BorgWarner, Inc. $9,726,196 1.4% Cameco Corp. $9,692,400 1.4% AutoNation, Inc. $9,681,538 1.4% Fluor Corp. $9,410,284 1.4% Total $100,359,303 14.6% | |
Material Fund Change [Text Block] | | |
C000028839 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Discovery Value Portfolio | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Discovery Value Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VQ-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VQ-B-S</span>" id="sjs-B355"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VQ-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $53 1.05% | |
Expenses Paid, Amount | $ 53 | |
Expense Ratio, Percent | 1.05% | |
Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not a good predictor of the Fund’s future performance.</span>" id="sjs-B359"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span> | |
Line Graph [Table Text Block] | Class B S&P 500 Index Russell 2500 Index Russell 2500 Value Index 06/14 $10,000 $10,000 $10,000 $10,000 12/14 $10,059 $10,612 $10,707 $9,930 12/15 $9,486 $10,758 $10,396 $9,385 12/16 $11,838 $12,045 $12,225 $11,750 12/17 $13,359 $14,675 $14,280 $12,967 12/18 $11,316 $14,031 $12,852 $11,365 12/19 $13,568 $18,449 $16,420 $14,043 12/20 $13,982 $21,844 $19,703 $14,728 12/21 $18,960 $28,114 $23,286 $18,819 12/22 $15,961 $23,023 $19,008 $16,357 12/23 $18,652 $29,075 $22,320 $18,971 06/24 $19,102 $33,521 $22,844 $19,256 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class B 2.41% 12.09% 8.18% 6.69% S&P 500 Index 15.29% 24.56% 15.05% 12.86% Russell 2500 Index 2.35% 10.47% 8.31% 7.99% Russell 2500 Value Index 1.50% 11.24% 8.01% 6.77% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
Performance Table Market Index Changed [Text Block] | The primary broad-based index used for comparison with the Fund’s performance has changed from the Russell 2500 Value Index to the S&P 500 Index to comply with new regulations that require the Fund’s primary benchmark to reflect the overall market in which the Fund may invest. The Fund’s previous primary benchmark, the Russell 2500 Value Index, which more closely reflects the market segment in which the Fund invests, is the Fund’s secondary benchmark, replacing the Russell 2500 Index as the secondary benchmark. | |
AssetsNet | $ 684,823,308 | $ 684,823,308 |
Holdings Count | Holding | 96 | 96 |
Advisory Fees Paid, Amount | $ 2,607,501 | |
InvestmentCompanyPortfolioTurnover | 26% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $684,823,308 # of Portfolio Holdings 96 Portfolio Turnover Rate 26% Total Advisory Fees Paid $2,607,501 | |
Holdings [Text Block] | Sector Allocation Value Value Industrials 21.3% Financials 19.8% Consumer Discretionary 16.8% Information Technology 12.7% Real Estate 7.1% Energy 5.4% Health Care 5.4% Materials 3.3% Utilities 2.7% Communication Services 2.6% Consumer Staples 2.3% Short-Term Investments 0.8% Other assets less liabilities - | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets MasTec, Inc. $10,900,248 1.6% Jones Lang LaSalle, Inc. $10,709,047 1.6% First Citizens BancShares, Inc./NC - Class A $10,628,630 1.5% ArcBest Corp. $10,041,320 1.5% ADT, Inc. $9,807,754 1.4% Nexstar Media Group, Inc. $9,761,886 1.4% BorgWarner, Inc. $9,726,196 1.4% Cameco Corp. $9,692,400 1.4% AutoNation, Inc. $9,681,538 1.4% Fluor Corp. $9,410,284 1.4% Total $100,359,303 14.6% | |
Material Fund Change [Text Block] | | |
C000028860 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Sustainable Global Thematic Portfolio | |
Class Name | Class A | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Sustainable Global Thematic Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VA-A-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VA-A-S</span>" id="sjs-B380"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VA-A-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $46 0.90% | |
Expenses Paid, Amount | $ 46 | |
Expense Ratio, Percent | 0.90% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B384"><p style="line-height: 15.6px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class A MSCI ACWI (net) 06/14 $10,000 $10,000 12/14 $9,741 $9,810 12/15 $10,022 $9,578 12/16 $9,960 $10,331 12/17 $13,612 $12,808 12/18 $12,278 $11,602 12/19 $15,981 $14,688 12/20 $22,279 $17,075 12/21 $27,374 $20,241 12/22 $19,988 $16,524 12/23 $23,188 $20,192 06/24 $24,551 $22,474 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class A 5.88% 9.77% 10.52% 9.40% MSCI ACWI (net) 11.30% 19.38% 10.76% 8.43% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 168,806,648 | $ 168,806,648 |
Holdings Count | Holding | 52 | 52 |
Advisory Fees Paid, Amount | $ 581,810 | |
InvestmentCompanyPortfolioTurnover | 20% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $168,806,648 # of Portfolio Holdings 52 Portfolio Turnover Rate 20% Total Advisory Fees Paid $581,810 | |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 41.5% Health Care 16.5% Industrials 16.5% Financials 14.7% Consumer Staples 3.9% Utilities 2.7% Consumer Discretionary 2.6% Energy 0.6% Short-Term Investments 0.6% Other assets less liabilities 0.4% | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets NVIDIA Corp. $5,964,511 3.5% Microsoft Corp. $5,831,803 3.5% Waste Management, Inc. $5,170,508 3.1% Visa, Inc. - Class A $5,010,552 3.0% Taiwan Semiconductor Manufacturing Co., Ltd. $4,799,673 2.8% NextEra Energy, Inc. $4,562,713 2.7% Flex Ltd. $4,342,697 2.6% Adobe, Inc. $4,189,327 2.5% ASML Holding NV $4,106,219 2.4% Fair Isaac Corp. $4,086,372 2.4% Total $48,064,375 28.5% | |
Material Fund Change [Text Block] | | |
C000028861 | | |
Shareholder Report [Line Items] | | |
Fund Name | AB VPS Sustainable Global Thematic Portfolio | |
Class Name | Class B | |
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AB VPS Sustainable Global Thematic Portfolio (the “Fund”) for the period of January 1, 2024 to June 30, 2024. | |
Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/64VA-B-S | |
Additional Information Phone Number | (800) 227 4618 | |
Additional Information Website | https://www.abfunds.com/link/AB/64VA-B-S</span>" id="sjs-B404"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">https://www.abfunds.com/link/AB/64VA-B-S</span> | |
Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class B $59 1.15% | |
Expenses Paid, Amount | $ 59 | |
Expense Ratio, Percent | 1.15% | |
Performance Past Does Not Indicate Future [Text] | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p>" id="sjs-B408"><p style="line-height: 15.6px; box-sizing: border-box; color: rgb(0, 0, 0); display: block; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; margin: 0px; overflow: visible; text-align: left;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 15.6px; margin: 0px; overflow: visible; text-align: left;">The Fund’s past performance is not a good predictor of the Fund’s future performance.</span></p> | |
Line Graph [Table Text Block] | Class B MSCI ACWI (net) 06/14 $10,000 $10,000 12/14 $9,729 $9,810 12/15 $9,986 $9,578 12/16 $9,899 $10,331 12/17 $13,492 $12,808 12/18 $12,145 $11,602 12/19 $15,762 $14,688 12/20 $21,922 $17,075 12/21 $26,870 $20,241 12/22 $19,570 $16,524 12/23 $22,643 $20,192 06/24 $23,941 $22,474 | |
Average Annual Return [Table Text Block] | 6 Months 1 Year 5 Years 10 Years Class B 5.73% 9.47% 10.25% 9.12% MSCI ACWI (net) 11.30% 19.38% 10.76% 8.43% | |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | |
AssetsNet | $ 168,806,648 | $ 168,806,648 |
Holdings Count | Holding | 52 | 52 |
Advisory Fees Paid, Amount | $ 581,810 | |
InvestmentCompanyPortfolioTurnover | 20% | |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $168,806,648 # of Portfolio Holdings 52 Portfolio Turnover Rate 20% Total Advisory Fees Paid $581,810 | |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 41.5% Health Care 16.5% Industrials 16.5% Financials 14.7% Consumer Staples 3.9% Utilities 2.7% Consumer Discretionary 2.6% Energy 0.6% Short-Term Investments 0.6% Other assets less liabilities 0.4% | |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets NVIDIA Corp. $5,964,511 3.5% Microsoft Corp. $5,831,803 3.5% Waste Management, Inc. $5,170,508 3.1% Visa, Inc. - Class A $5,010,552 3.0% Taiwan Semiconductor Manufacturing Co., Ltd. $4,799,673 2.8% NextEra Energy, Inc. $4,562,713 2.7% Flex Ltd. $4,342,697 2.6% Adobe, Inc. $4,189,327 2.5% ASML Holding NV $4,106,219 2.4% Fair Isaac Corp. $4,086,372 2.4% Total $48,064,375 28.5% | |
Material Fund Change [Text Block] | | |