| Form N-CSR Cover | 6 Months Ended |
| Jun. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Voya Strategic Allocation Portfolios, Inc. |
| Entity Central Index Key | 0000935070 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Jun. 30, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Voya Strategic Allocation Portfolios, Inc. |
| Entity Central Index Key | 0000935070 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| C000028782 | |
| Shareholder Report [Line Items] | |
| Fund Name | Voya Strategic Allocation Conservative Portfolio |
| Class Name | Class I |
| Trading Symbol | ISAIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Voya Strategic Allocation Conservative Portfolio 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://individuals.voya.com/product/mutual-fund/prospectuses-reports |
| Additional Information Phone Number | 1-800-992-0180 |
| Additional Information Website | https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span>" id="sjs-B19"><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: 18px; margin: 0px; overflow: visible; text-align: left;">https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span> |
| Expenses [Text Block] | What were the Fund’s costs for the last period? Class Name Costs of $10K investment Costs paid as % of $10K investment Class I $15 0.30% |
| Expenses Paid, Amount | $ 15 |
| Expense Ratio, Percent | 0.30% |
| AssetsNet | $ 58,219,100 |
| Holdings Count | Holding | 15 |
| InvestmentCompanyPortfolioTurnover | 20% |
| Additional Fund Statistics [Text Block] | Fund Statistics Total Net Assets $58,219,100 # of Portfolio Holdings 15 Portfolio Turnover Rate 20% |
| Holdings [Text Block] | Asset Weightings Value Value Assets in Excess of Other Liabilities 0.1% Equity 39.9% Fixed Income 60.0% |
| Largest Holdings [Text Block] | Top 10 Holdings Voya Intermediate Bond Fund - Class R6 30.1% Voya U.S. Stock Index Portfolio - Class I 18.3% Voya Limited Maturity Bond Portfolio - Class I 10.8% VY ® 5.3% Voya Large Cap Value Portfolio - Class R6 5.0% Voya High Yield Bond Fund - Class R6 5.0% Voya Multi-Manager International Equity Fund - Class I 4.5% Voya Global Bond Fund - Class R6 3.9% Voya Large-Cap Growth Fund - Class R6 3.2% Schwab U.S. TIPS ETF 3.0% |
| C000028783 | |
| Shareholder Report [Line Items] | |
| Fund Name | Voya Strategic Allocation Conservative Portfolio |
| Class Name | Class S |
| Trading Symbol | ISCVX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Voya Strategic Allocation Conservative Portfolio 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://individuals.voya.com/product/mutual-fund/prospectuses-reports |
| Additional Information Phone Number | 1-800-992-0180 |
| Additional Information Website | https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span>" id="sjs-B38"><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: 18px; margin: 0px; overflow: visible; text-align: left;">https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span> |
| Expenses [Text Block] | What were the Fund’s costs for the last period? Class Name Costs of $10K investment Costs paid as % of $10K investment Class S $28 0.55% |
| Expenses Paid, Amount | $ 28 |
| Expense Ratio, Percent | 0.55% |
| AssetsNet | $ 58,219,100 |
| Holdings Count | Holding | 15 |
| InvestmentCompanyPortfolioTurnover | 20% |
| Additional Fund Statistics [Text Block] | Fund Statistics Total Net Assets $58,219,100 # of Portfolio Holdings 15 Portfolio Turnover Rate 20% |
| Holdings [Text Block] | Asset Weightings Value Value Assets in Excess of Other Liabilities 0.1% Equity 39.9% Fixed Income 60.0% |
| Largest Holdings [Text Block] | Top 10 Holdings Voya Intermediate Bond Fund - Class R6 30.1% Voya U.S. Stock Index Portfolio - Class I 18.3% Voya Limited Maturity Bond Portfolio - Class I 10.8% VY ® 5.3% Voya Large Cap Value Portfolio - Class R6 5.0% Voya High Yield Bond Fund - Class R6 5.0% Voya Multi-Manager International Equity Fund - Class I 4.5% Voya Global Bond Fund - Class R6 3.9% Voya Large-Cap Growth Fund - Class R6 3.2% Schwab U.S. TIPS ETF 3.0% |
| C000028780 | |
| Shareholder Report [Line Items] | |
| Fund Name | Voya Strategic Allocation Moderate Portfolio |
| Class Name | Class I |
| Trading Symbol | IIMDX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Voya Strategic Allocation Moderate Portfolio 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://individuals.voya.com/product/mutual-fund/prospectuses-reports |
| Additional Information Phone Number | 1-800-992-0180 |
| Additional Information Website | https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span>" id="sjs-B57"><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: 18px; margin: 0px; overflow: visible; text-align: left;">https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span> |
| Expenses [Text Block] | What were the Fund’s costs for the last period? Class Name Costs of $10K investment Costs paid as % of $10K investment Class I $19 0.38% |
| Expenses Paid, Amount | $ 19 |
| Expense Ratio, Percent | 0.38% |
| AssetsNet | $ 130,875,181 |
| Holdings Count | Holding | 14 |
| InvestmentCompanyPortfolioTurnover | 13% |
| Additional Fund Statistics [Text Block] | Fund Statistics Total Net Assets $130,875,181 # of Portfolio Holdings 14 Portfolio Turnover Rate 13% |
| Holdings [Text Block] | Asset Weightings Value Value Assets in Excess of Other Liabilities 0.0% Fixed Income 37.9% Equity 62.1% |
| Largest Holdings [Text Block] | Top 10 Holdings Voya U.S. Stock Index Portfolio - Class I 31.6% Voya Intermediate Bond Fund - Class R6 24.4% Voya Limited Maturity Bond Portfolio - Class I 7.8% Voya Large Cap Value Portfolio - Class R6 7.0% Voya Multi-Manager International Equity Fund - Class I 5.4% VY ® 4.8% VY ® 3.8% Voya Multi-Manager Mid Cap Value Fund - Class I 2.9% Voya MidCap Opportunities Portfolio - Class R6 2.8% Voya Large-Cap Growth Fund - Class R6 2.6% |
| C000028781 | |
| Shareholder Report [Line Items] | |
| Fund Name | Voya Strategic Allocation Moderate Portfolio |
| Class Name | Class S |
| Trading Symbol | ISMDX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Voya Strategic Allocation Moderate Portfolio 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://individuals.voya.com/product/mutual-fund/prospectuses-reports |
| Additional Information Phone Number | 1-800-992-0180 |
| Additional Information Website | https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span>" id="sjs-B76"><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: 18px; margin: 0px; overflow: visible; text-align: left;">https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span> |
| Expenses [Text Block] | What were the Fund’s costs for the last period? Class Name Costs of $10K investment Costs paid as % of $10K investment Class S $32 0.63% |
| Expenses Paid, Amount | $ 32 |
| Expense Ratio, Percent | 0.63% |
| AssetsNet | $ 130,875,181 |
| Holdings Count | Holding | 14 |
| InvestmentCompanyPortfolioTurnover | 13% |
| Additional Fund Statistics [Text Block] | Fund Statistics Total Net Assets $130,875,181 # of Portfolio Holdings 14 Portfolio Turnover Rate 13% |
| Holdings [Text Block] | Asset Weightings Value Value Assets in Excess of Other Liabilities 0.0% Fixed Income 37.9% Equity 62.1% |
| Largest Holdings [Text Block] | Top 10 Holdings Voya U.S. Stock Index Portfolio - Class I 31.6% Voya Intermediate Bond Fund - Class R6 24.4% Voya Limited Maturity Bond Portfolio - Class I 7.8% Voya Large Cap Value Portfolio - Class R6 7.0% Voya Multi-Manager International Equity Fund - Class I 5.4% VY ® 4.8% VY ® 3.8% Voya Multi-Manager Mid Cap Value Fund - Class I 2.9% Voya MidCap Opportunities Portfolio - Class R6 2.8% Voya Large-Cap Growth Fund - Class R6 2.6% |
| C000028778 | |
| Shareholder Report [Line Items] | |
| Fund Name | Voya Strategic Allocation Growth Portfolio |
| Class Name | Class I |
| Trading Symbol | ISAGX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Voya Strategic Allocation Growth Portfolio 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://individuals.voya.com/product/mutual-fund/prospectuses-reports |
| Additional Information Phone Number | 1-800-992-0180 |
| Additional Information Website | https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span>" id="sjs-B95"><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: 18px; margin: 0px; overflow: visible; text-align: left;">https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span> |
| Expenses [Text Block] | What were the Fund’s costs for the last period? Class Name Costs of $10K investment Costs paid as % of $10K investment Class I $16 0.31% |
| Expenses Paid, Amount | $ 16 |
| Expense Ratio, Percent | 0.31% |
| AssetsNet | $ 146,302,257 |
| Holdings Count | Holding | 14 |
| InvestmentCompanyPortfolioTurnover | 12% |
| Additional Fund Statistics [Text Block] | Fund Statistics Total Net Assets $146,302,257 # of Portfolio Holdings 14 Portfolio Turnover Rate 12% |
| Holdings [Text Block] | Asset Weightings Value Value Assets in Excess of Other Liabilities 0.0% Fixed Income 21.3% Equity 78.7% |
| Largest Holdings [Text Block] | Top 10 Holdings Voya U.S. Stock Index Portfolio - Class I 41.7% Voya Intermediate Bond Fund - Class R6 12.6% Voya Multi-Manager International Equity Fund - Class I 9.4% Voya Multi-Manager Mid Cap Value Fund - Class I 5.3% VY ® 5.3% Voya MidCap Opportunities Portfolio - Class R6 5.1% Voya Large Cap Value Portfolio - Class R6 5.0% VY ® 3.8% Voya Small Company Fund - Class R6 2.9% Voya Multi-Manager Emerging Markets Equity Fund - Class I 2.0% |
| C000028779 | |
| Shareholder Report [Line Items] | |
| Fund Name | Voya Strategic Allocation Growth Portfolio |
| Class Name | Class S |
| Trading Symbol | ISGRX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Voya Strategic Allocation Growth Portfolio 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://individuals.voya.com/product/mutual-fund/prospectuses-reports |
| Additional Information Phone Number | 1-800-992-0180 |
| Additional Information Website | https://individuals.voya.com/product/mutual-fund/prospectuses-reports</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: 18px; margin: 0px; overflow: visible; text-align: left;">https://individuals.voya.com/product/mutual-fund/prospectuses-reports</span> |
| Expenses [Text Block] | What were the Fund’s costs for the last period? Class Name Costs of $10K investment Costs paid as % of $10K investment Class S $29 0.56% |
| Expenses Paid, Amount | $ 29 |
| Expense Ratio, Percent | 0.56% |
| AssetsNet | $ 146,302,257 |
| Holdings Count | Holding | 14 |
| InvestmentCompanyPortfolioTurnover | 12% |
| Additional Fund Statistics [Text Block] | Fund Statistics Total Net Assets $146,302,257 # of Portfolio Holdings 14 Portfolio Turnover Rate 12% |
| Holdings [Text Block] | Asset Weightings Value Value Assets in Excess of Other Liabilities 0.0% Fixed Income 21.3% Equity 78.7% |
| Largest Holdings [Text Block] | Top 10 Holdings Voya U.S. Stock Index Portfolio - Class I 41.7% Voya Intermediate Bond Fund - Class R6 12.6% Voya Multi-Manager International Equity Fund - Class I 9.4% Voya Multi-Manager Mid Cap Value Fund - Class I 5.3% VY ® 5.3% Voya MidCap Opportunities Portfolio - Class R6 5.1% Voya Large Cap Value Portfolio - Class R6 5.0% VY ® 3.8% Voya Small Company Fund - Class R6 2.9% Voya Multi-Manager Emerging Markets Equity Fund - Class I 2.0% |
| Shareholder Report, Holdings (Details) | Jun. 30, 2024 |
| C000028782 | Voya Intermediate Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.10% |
| C000028782 | Voya U.S. Stock Index Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.30% |
| C000028782 | Voya Limited Maturity Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.80% |
| C000028782 | VY® BrandywineGLOBAL - Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| C000028782 | Voya Large Cap Value Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028782 | Voya High Yield Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028782 | Voya Multi-Manager International Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| C000028782 | Voya Global Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| C000028782 | Voya Large-Cap Growth Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| C000028782 | Schwab U.S. TIPS ETF | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| C000028782 | Other_Asset | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| C000028782 | Equity | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 39.90% |
| C000028782 | Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 60% |
| C000028782 | US Large Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.50% |
| C000028782 | US Large Growth | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028782 | US Large Value | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028782 | US Mid Cap Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028782 | US Small Cap | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028782 | International | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| C000028782 | Core Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 36% |
| C000028782 | High Yield | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028782 | International Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000028782 | TIPS | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| C000028782 | Short Duration | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| C000028782 | Long Govt Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028783 | Voya Intermediate Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.10% |
| C000028783 | Voya U.S. Stock Index Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.30% |
| C000028783 | Voya Limited Maturity Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.80% |
| C000028783 | VY® BrandywineGLOBAL - Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| C000028783 | Voya Large Cap Value Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028783 | Voya High Yield Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028783 | Voya Multi-Manager International Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| C000028783 | Voya Global Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| C000028783 | Voya Large-Cap Growth Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| C000028783 | Schwab U.S. TIPS ETF | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| C000028783 | Other_Asset | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| C000028783 | Equity | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 39.90% |
| C000028783 | Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 60% |
| C000028783 | US Large Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.50% |
| C000028783 | US Large Growth | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028783 | US Large Value | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028783 | US Mid Cap Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028783 | US Small Cap | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028783 | International | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| C000028783 | Core Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 36% |
| C000028783 | High Yield | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028783 | International Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000028783 | TIPS | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| C000028783 | Short Duration | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| C000028783 | Long Govt Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028780 | Voya Intermediate Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 24.40% |
| C000028780 | Voya U.S. Stock Index Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.60% |
| C000028780 | Voya Limited Maturity Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| C000028780 | VY® BrandywineGLOBAL - Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| C000028780 | Voya Large Cap Value Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000028780 | Voya Multi-Manager International Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.40% |
| C000028780 | Voya Large-Cap Growth Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| C000028780 | VY® T. Rowe Price Growth Equity Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| C000028780 | Voya Multi-Manager Mid Cap Value Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000028780 | Voya MidCap Opportunities Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| C000028780 | Other_Asset | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0% |
| C000028780 | Equity | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 62.10% |
| C000028780 | Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.90% |
| C000028780 | US Large Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.50% |
| C000028780 | US Large Growth | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000028780 | US Large Value | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000028780 | US Mid Cap Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6% |
| C000028780 | US Small Cap | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| C000028780 | International | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| C000028780 | Core Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29% |
| C000028780 | Short Duration | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8% |
| C000028780 | Long Govt Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028780 | Emerging Markets | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028781 | Voya Intermediate Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 24.40% |
| C000028781 | Voya U.S. Stock Index Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.60% |
| C000028781 | Voya Limited Maturity Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| C000028781 | VY® BrandywineGLOBAL - Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| C000028781 | Voya Large Cap Value Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000028781 | Voya Multi-Manager International Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.40% |
| C000028781 | Voya Large-Cap Growth Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| C000028781 | VY® T. Rowe Price Growth Equity Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| C000028781 | Voya Multi-Manager Mid Cap Value Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000028781 | Voya MidCap Opportunities Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| C000028781 | Other_Asset | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0% |
| C000028781 | Equity | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 62.10% |
| C000028781 | Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.90% |
| C000028781 | US Large Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.50% |
| C000028781 | US Large Growth | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000028781 | US Large Value | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000028781 | US Mid Cap Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6% |
| C000028781 | US Small Cap | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| C000028781 | International | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| C000028781 | Core Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29% |
| C000028781 | Short Duration | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8% |
| C000028781 | Long Govt Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028781 | Emerging Markets | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028778 | Voya Intermediate Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.60% |
| C000028778 | Voya U.S. Stock Index Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 41.70% |
| C000028778 | VY® BrandywineGLOBAL - Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| C000028778 | Voya Large Cap Value Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028778 | Voya Multi-Manager International Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.40% |
| C000028778 | VY® T. Rowe Price Growth Equity Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| C000028778 | Voya Multi-Manager Mid Cap Value Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| C000028778 | Voya MidCap Opportunities Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| C000028778 | Voya Small Company Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000028778 | Voya Multi-Manager Emerging Markets Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028778 | Other_Asset | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0% |
| C000028778 | Equity | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 78.70% |
| C000028778 | Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.30% |
| C000028778 | US Large Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 40.50% |
| C000028778 | US Large Growth | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028778 | US Large Value | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028778 | US Mid Cap Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| C000028778 | US Small Cap | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028778 | International | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.50% |
| C000028778 | Core Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17% |
| C000028778 | Short Duration | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| C000028778 | Long Govt Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028778 | Emerging Markets | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028779 | Voya Intermediate Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.60% |
| C000028779 | Voya U.S. Stock Index Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 41.70% |
| C000028779 | VY® BrandywineGLOBAL - Bond Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| C000028779 | Voya Large Cap Value Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028779 | Voya Multi-Manager International Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.40% |
| C000028779 | VY® T. Rowe Price Growth Equity Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| C000028779 | Voya Multi-Manager Mid Cap Value Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| C000028779 | Voya MidCap Opportunities Portfolio | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| C000028779 | Voya Small Company Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| C000028779 | Voya Multi-Manager Emerging Markets Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028779 | Other_Asset | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0% |
| C000028779 | Equity | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 78.70% |
| C000028779 | Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.30% |
| C000028779 | US Large Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 40.50% |
| C000028779 | US Large Growth | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028779 | US Large Value | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028779 | US Mid Cap Blend | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| C000028779 | US Small Cap | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000028779 | International | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.50% |
| C000028779 | Core Fixed Income | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17% |
| C000028779 | Short Duration | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| C000028779 | Long Govt Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| C000028779 | Emerging Markets | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
