Voya VACS Series EME Fund Fees and Expenses - Voya VACS Series EME Fund	Oct. 31, 2025
Prospectus [Line Items]
Expense Heading [Optional Text]	<span style="color:#000000;font-family:Arial;font-size:11.16pt;font-weight:bold;text-transform:uppercase;">Fees and Expenses of the Fund</span>
Expense Narrative [Text Block]	This table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
Operating Expenses Caption [Optional Text]	<span style="color:#FF8000;font-family:Arial;font-size:8.928pt;font-weight:bold;">Annual Fund Operating Expenses </span> <br/><span style="color:#000000;font-family:Arial;font-size:7.44pt;">Expenses you pay each year as a % of the value of your investment</span>
Expense Example [Heading]	<span style="color:#FF8000;font-family:Arial;font-size:8.928pt;font-weight:bold;">Expense Example</span>
Expense Example Narrative [Text Block]	This Example is intended to help you compare the cost of investing in shares of the Fund with the costs of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment had a 5% return each year and that the Fund's operating expenses remain the same. The Example reflects applicable expense limitation agreements and/or waivers in effect, if any, for the one-year period and the first year of the time periods indicated . Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Portfolio Turnover [Heading]	<span style="color:#FF8000;font-family:Arial;font-size:8.928pt;font-weight:bold;">Portfolio Turnover</span>
Portfolio Turnover [Text Block]	The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the Expense Example, affect the Fund's performance.During the most recent fiscal year, the Fund's portfolio turnover rate was 49% of the average value of its portfolio.
Portfolio Turnover, Rate	49.00%