110002 - Disclosure - Voya Corporate Leaders 100 Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 110003 - Disclosure - Voya Corporate Leaders 100 Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 110004 - Disclosure - Voya Corporate Leaders 100 Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 110005 - Disclosure - Voya Corporate Leaders 100 Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 110006 - Disclosure - Voya Corporate Leaders 100 Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 120010 - Disclosure - Voya Corporate Leaders 100 Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 120020 - Disclosure - Voya Corporate Leaders 100 Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 120030 - Disclosure - Voya Corporate Leaders 100 Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 120040 - Disclosure - Voya Corporate Leaders 100 Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 120045 - Disclosure - Voya Corporate Leaders 100 Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 120050 - Disclosure - Voya Corporate Leaders 100 Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120060 - Disclosure - Voya Corporate Leaders 100 Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120070 - Disclosure - Voya Corporate Leaders 100 Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 110000 - Disclosure - Voya Corporate Leaders 100 Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 110001 - Disclosure - Voya Corporate Leaders 100 Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 210002 - Disclosure - Voya Global Income and Growth Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 210003 - Disclosure - Voya Global Income and Growth Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 210004 - Disclosure - Voya Global Income and Growth Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 210005 - Disclosure - Voya Global Income and Growth Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 210006 - Disclosure - Voya Global Income and Growth Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 220010 - Disclosure - Voya Global Income and Growth Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 220020 - Disclosure - Voya Global Income and Growth Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 220030 - Disclosure - Voya Global Income and Growth Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 220040 - Disclosure - Voya Global Income and Growth Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 220045 - Disclosure - Voya Global Income and Growth Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 220050 - Disclosure - Voya Global Income and Growth Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220060 - Disclosure - Voya Global Income and Growth Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220070 - Disclosure - Voya Global Income and Growth Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 210000 - Disclosure - Voya Global Income and Growth Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 210001 - Disclosure - Voya Global Income and Growth Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 310002 - Disclosure - Voya Large-Cap Growth Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 310003 - Disclosure - Voya Large-Cap Growth Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 310004 - Disclosure - Voya Large-Cap Growth Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 310005 - Disclosure - Voya Large-Cap Growth Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 310006 - Disclosure - Voya Large-Cap Growth Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 320010 - Disclosure - Voya Large-Cap Growth Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 320020 - Disclosure - Voya Large-Cap Growth Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 320030 - Disclosure - Voya Large-Cap Growth Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 320040 - Disclosure - Voya Large-Cap Growth Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 320045 - Disclosure - Voya Large-Cap Growth Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 320050 - Disclosure - Voya Large-Cap Growth Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320060 - Disclosure - Voya Large-Cap Growth Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320070 - Disclosure - Voya Large-Cap Growth Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 310000 - Disclosure - Voya Large-Cap Growth Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 310001 - Disclosure - Voya Large-Cap Growth Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 410002 - Disclosure - Voya Large Cap Value Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 410003 - Disclosure - Voya Large Cap Value Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 410004 - Disclosure - Voya Large Cap Value Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 410005 - Disclosure - Voya Large Cap Value Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 410006 - Disclosure - Voya Large Cap Value Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 420010 - Disclosure - Voya Large Cap Value Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 420020 - Disclosure - Voya Large Cap Value Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 420030 - Disclosure - Voya Large Cap Value Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 420040 - Disclosure - Voya Large Cap Value Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 420045 - Disclosure - Voya Large Cap Value Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 420050 - Disclosure - Voya Large Cap Value Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420060 - Disclosure - Voya Large Cap Value Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420070 - Disclosure - Voya Large Cap Value Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 410000 - Disclosure - Voya Large Cap Value Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 410001 - Disclosure - Voya Large Cap Value Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 510002 - Disclosure - Voya MI Dynamic Small Cap Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 510003 - Disclosure - Voya MI Dynamic Small Cap Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 510004 - Disclosure - Voya MI Dynamic Small Cap Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 510005 - Disclosure - Voya MI Dynamic Small Cap Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 510006 - Disclosure - Voya MI Dynamic Small Cap Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 520010 - Disclosure - Voya MI Dynamic Small Cap Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 520020 - Disclosure - Voya MI Dynamic Small Cap Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 520030 - Disclosure - Voya MI Dynamic Small Cap Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 520040 - Disclosure - Voya MI Dynamic Small Cap Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 520045 - Disclosure - Voya MI Dynamic Small Cap Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 520050 - Disclosure - Voya MI Dynamic Small Cap Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520060 - Disclosure - Voya MI Dynamic Small Cap Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520070 - Disclosure - Voya MI Dynamic Small Cap Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 510000 - Disclosure - Voya MI Dynamic Small Cap Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 510001 - Disclosure - Voya MI Dynamic Small Cap Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 610002 - Disclosure - Voya MI Dynamic SMID Cap Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 610003 - Disclosure - Voya MI Dynamic SMID Cap Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 610004 - Disclosure - Voya MI Dynamic SMID Cap Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 610005 - Disclosure - Voya MI Dynamic SMID Cap Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 610006 - Disclosure - Voya MI Dynamic SMID Cap Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 620010 - Disclosure - Voya MI Dynamic SMID Cap Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 620020 - Disclosure - Voya MI Dynamic SMID Cap Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 620030 - Disclosure - Voya MI Dynamic SMID Cap Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 620040 - Disclosure - Voya MI Dynamic SMID Cap Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 620045 - Disclosure - Voya MI Dynamic SMID Cap Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 620050 - Disclosure - Voya MI Dynamic SMID Cap Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620060 - Disclosure - Voya MI Dynamic SMID Cap Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620070 - Disclosure - Voya MI Dynamic SMID Cap Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 610000 - Disclosure - Voya MI Dynamic SMID Cap Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 610001 - Disclosure - Voya MI Dynamic SMID Cap Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 710002 - Disclosure - Voya MidCap Opportunities Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 710003 - Disclosure - Voya MidCap Opportunities Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 710004 - Disclosure - Voya MidCap Opportunities Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 710005 - Disclosure - Voya MidCap Opportunities Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 710006 - Disclosure - Voya MidCap Opportunities Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 720010 - Disclosure - Voya MidCap Opportunities Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 720020 - Disclosure - Voya MidCap Opportunities Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 720030 - Disclosure - Voya MidCap Opportunities Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 720040 - Disclosure - Voya MidCap Opportunities Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 720045 - Disclosure - Voya MidCap Opportunities Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 720050 - Disclosure - Voya MidCap Opportunities Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 720060 - Disclosure - Voya MidCap Opportunities Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 720070 - Disclosure - Voya MidCap Opportunities Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 710000 - Disclosure - Voya MidCap Opportunities Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 710001 - Disclosure - Voya MidCap Opportunities Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 810002 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 810003 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 810004 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 810005 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 810006 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 820010 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 820020 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 820030 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 820040 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 820045 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 820050 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 820060 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 820070 - Disclosure - Voya Multi-Manager Mid Cap Value Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 810000 - Disclosure - Voya Multi-Manager Mid Cap Value Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 810001 - Disclosure - Voya Multi-Manager Mid Cap Value Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 910002 - Disclosure - Voya Small Cap Growth Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 910003 - Disclosure - Voya Small Cap Growth Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 910004 - Disclosure - Voya Small Cap Growth Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 910005 - Disclosure - Voya Small Cap Growth Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 910006 - Disclosure - Voya Small Cap Growth Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 920010 - Disclosure - Voya Small Cap Growth Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 920020 - Disclosure - Voya Small Cap Growth Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 920030 - Disclosure - Voya Small Cap Growth Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 920040 - Disclosure - Voya Small Cap Growth Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 920045 - Disclosure - Voya Small Cap Growth Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 920050 - Disclosure - Voya Small Cap Growth Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 920060 - Disclosure - Voya Small Cap Growth Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 920070 - Disclosure - Voya Small Cap Growth Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 910000 - Disclosure - Voya Small Cap Growth Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 910001 - Disclosure - Voya Small Cap Growth Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 1010002 - Disclosure - Voya VACS Series LCC Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1010003 - Disclosure - Voya VACS Series LCC Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1010004 - Disclosure - Voya VACS Series LCC Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1010005 - Disclosure - Voya VACS Series LCC Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 1010006 - Disclosure - Voya VACS Series LCC Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 1020010 - Disclosure - Voya VACS Series LCC Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1020020 - Disclosure - Voya VACS Series LCC Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1020030 - Disclosure - Voya VACS Series LCC Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 1020040 - Disclosure - Voya VACS Series LCC Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1020045 - Disclosure - Voya VACS Series LCC Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 1020050 - Disclosure - Voya VACS Series LCC Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1020060 - Disclosure - Voya VACS Series LCC Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1020070 - Disclosure - Voya VACS Series LCC Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1010000 - Disclosure - Voya VACS Series LCC Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1010001 - Disclosure - Voya VACS Series LCC Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 1110002 - Disclosure - Voya VACS Series MCV Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1110003 - Disclosure - Voya VACS Series MCV Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1110004 - Disclosure - Voya VACS Series MCV Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1110005 - Disclosure - Voya VACS Series MCV Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 1110006 - Disclosure - Voya VACS Series MCV Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 1120010 - Disclosure - Voya VACS Series MCV Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1120020 - Disclosure - Voya VACS Series MCV Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1120030 - Disclosure - Voya VACS Series MCV Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 1120040 - Disclosure - Voya VACS Series MCV Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1120045 - Disclosure - Voya VACS Series MCV Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 1120050 - Disclosure - Voya VACS Series MCV Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1120060 - Disclosure - Voya VACS Series MCV Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1120070 - Disclosure - Voya VACS Series MCV Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1110000 - Disclosure - Voya VACS Series MCV Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1110001 - Disclosure - Voya VACS Series MCV Fund N-1A Supplement link:presentationLink link:definitionLink link:calculationLink Voya Corporate Leaders 100 Fund S000066935 [Member] Class A C I R R6 and W Shares [Member] Class A C000215377 [Member] Class C C000215373 [Member] Class I C000215374 [Member] Class R C000215381 [Member] Class R6 C000215378 [Member] Class W C000215380 [Member] Russell 3000® Index[Member] S&P 500® Index[Member] Company Risk [Member] Convertible Securities Risk [Member] Credit Risk [Member] Derivative Instruments Risk [Member] Interest Rate Risk [Member] Investment Model Risk [Member] Market Risk [Member] Market Capitalization Risk [Member] Market Disruption and Geopolitical Risk [Member] Other Investment Companies Risk [Member] Preferred Stocks Risk [Member] Real Estate Companies and Real Estate Investment Trusts Risk [Member] Securities Lending Risk [Member] Voya Global Income and Growth Fund S000066938 [Member] C000215405 [Member] C000215404 [Member] C000215403 [Member] C000215400 [Member] C000215401 [Member] Bloomberg Global Aggregate Index[Member] MSCI ACWI[Member] MSCI World IndexSM [Member] Asset Allocation Risk [Member] Bank Instruments Risk [Member] Cash Cash Equivalents Risk [Member] Covenant Lite Loans Risk [Member] Currency Risk [Member] Dividend Risk [Member] Environmental Social and Governance Equity Risk [Member] Environmental Social and Governance Fixed Income Risk [Member] Equity Linked Notes [Member] Foreign Non US Investments Developing and Emerging Markets Risk [Member] Growth Investing Risk [Member] High Yield Securities Risk [Member] Liquidity Risk [Member] Option Writing Risk [Member] Portfolio Turnover Risk [Member] Prepayment and Extension Risk [Member] Restricted Securities Risk [Member] Structured Notes Risk [Member] Voya Large-Cap Growth Fund S000008383 [Member] C000022956 [Member] C000022958 [Member] C000022959 [Member] C000144636 [Member] C000156671 [Member] C000081603 [Member] Russell 1000® Growth Index[Member] Focused Investing Risk [Member] Information Technology Sector Risk [Member] Warrants Risk [Member] Voya Large Cap Value Fund S000019684 [Member] C000055103 [Member] C000055105 [Member] C000055106 [Member] C000103066 [Member] Class R2 C000264576 [Member] C000122002 [Member] C000078999 [Member] Russell 1000® Value Index[Member] Mid Capitalization Company Risk [Member] Small Capitalization Company Risk [Member] Value Investing Risk [Member] Voya MI Dynamic Small Cap Fund S000066937 [Member] C000215396 [Member] C000215395 [Member] C000215394 [Member] C000215391 [Member] C000215397 [Member] C000215390 [Member] Russell 2000® Index[Member] Voya MI Dynamic SMID Cap Fund S000066936 [Member] Class A C I R and W Shares [Member] C000215383 [Member] C000215384 [Member] C000215385 [Member] C000215388 [Member] C000264577 [Member] C000215382 [Member] Russell 2500TM Index[Member] S&P MidCap 400® Index[Member] Voya MidCap Opportunities Fund S000008385 [Member] C000022966 [Member] C000022968 [Member] C000022969 [Member] C000103065 [Member] C000122001 [Member] C000078998 [Member] Russell Midcap® Growth Index[Member] Russell Midcap® Index[Member] Voya Multi-Manager Mid Cap Value Fund S000034091 [Member] Class I Shares [Member] C000105101 [Member] Russell Midcap® Value Index[Member] Environmental Social and Governance Multi Manager Risk [Member] Focused Investing Index Sleeve Risk [Member] Financials Sector Risk [Member] Industrials Sector Risk [Member] Index Strategy Sleeve Risk [Member] Voya Small Cap Growth Fund S000075515 [Member] C000238235 [Member] C000238236 [Member] C000234687 [Member] C000238233 [Member] C000234688 [Member] C000238237 [Member] Russell 2000® Growth Index[Member] Health Care Sector Risk [Member] Technology Sector Risk [Member] Voya VACS Series LCC Fund S000097620 [Member] No Class C000267073 [Member] Voya VACS Series MCV Fund S000080522 [Member] C000242977 [Member] Focused Investing Index Risk [Member]