110002 - Disclosure - FT Vest AMD & Target Income ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 110003 - Disclosure - FT Vest AMD & Target Income ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 110004 - Disclosure - FT Vest AMD & Target Income ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 110005 - Disclosure - FT Vest AMD & Target Income ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 110006 - Disclosure - FT Vest AMD & Target Income ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 120010 - Disclosure - FT Vest AMD & Target Income ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 120020 - Disclosure - FT Vest AMD & Target Income ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 120030 - Disclosure - FT Vest AMD & Target Income ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 120040 - Disclosure - FT Vest AMD & Target Income ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 120045 - Disclosure - FT Vest AMD & Target Income ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 120050 - Disclosure - FT Vest AMD & Target Income ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120060 - Disclosure - FT Vest AMD & Target Income ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120070 - Disclosure - FT Vest AMD & Target Income ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 110000 - Disclosure - FT Vest AMD & Target Income ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 110001 - Disclosure - FT Vest AMD & Target Income ETF N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 210002 - Disclosure - FT Vest AMZN & Target Income ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 210003 - Disclosure - FT Vest AMZN & Target Income ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 210004 - Disclosure - FT Vest AMZN & Target Income ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 210005 - Disclosure - FT Vest AMZN & Target Income ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 210006 - Disclosure - FT Vest AMZN & Target Income ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 220010 - Disclosure - FT Vest AMZN & Target Income ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 220020 - Disclosure - FT Vest AMZN & Target Income ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 220030 - Disclosure - FT Vest AMZN & Target Income ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 220040 - Disclosure - FT Vest AMZN & Target Income ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 220045 - Disclosure - FT Vest AMZN & Target Income ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 220050 - Disclosure - FT Vest AMZN & Target Income ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220060 - Disclosure - FT Vest AMZN & Target Income ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220070 - Disclosure - FT Vest AMZN & Target Income ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 210000 - Disclosure - FT Vest AMZN & Target Income ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 210001 - Disclosure - FT Vest AMZN & Target Income ETF N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 310002 - Disclosure - FT Vest GOOG & Target Income ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 310003 - Disclosure - FT Vest GOOG & Target Income ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 310004 - Disclosure - FT Vest GOOG & Target Income ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 310005 - Disclosure - FT Vest GOOG & Target Income ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 310006 - Disclosure - FT Vest GOOG & Target Income ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 320010 - Disclosure - FT Vest GOOG & Target Income ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 320020 - Disclosure - FT Vest GOOG & Target Income ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 320030 - Disclosure - FT Vest GOOG & Target Income ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 320040 - Disclosure - FT Vest GOOG & Target Income ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 320045 - Disclosure - FT Vest GOOG & Target Income ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 320050 - Disclosure - FT Vest GOOG & Target Income ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320060 - Disclosure - FT Vest GOOG & Target Income ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320070 - Disclosure - FT Vest GOOG & Target Income ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 310000 - Disclosure - FT Vest GOOG & Target Income ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 310001 - Disclosure - FT Vest GOOG & Target Income ETF N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 410002 - Disclosure - FT Vest META & Target Income ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 410003 - Disclosure - FT Vest META & Target Income ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 410004 - Disclosure - FT Vest META & Target Income ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 410005 - Disclosure - FT Vest META & Target Income ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 410006 - Disclosure - FT Vest META & Target Income ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 420010 - Disclosure - FT Vest META & Target Income ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 420020 - Disclosure - FT Vest META & Target Income ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 420030 - Disclosure - FT Vest META & Target Income ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 420040 - Disclosure - FT Vest META & Target Income ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 420045 - Disclosure - FT Vest META & Target Income ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 420050 - Disclosure - FT Vest META & Target Income ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420060 - Disclosure - FT Vest META & Target Income ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420070 - Disclosure - FT Vest META & Target Income ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 410000 - Disclosure - FT Vest META & Target Income ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 410001 - Disclosure - FT Vest META & Target Income ETF N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 510002 - Disclosure - FT Vest MSFT & Target Income ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 510003 - Disclosure - FT Vest MSFT & Target Income ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 510004 - Disclosure - FT Vest MSFT & Target Income ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 510005 - Disclosure - FT Vest MSFT & Target Income ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 510006 - Disclosure - FT Vest MSFT & Target Income ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 520010 - Disclosure - FT Vest MSFT & Target Income ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 520020 - Disclosure - FT Vest MSFT & Target Income ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 520030 - Disclosure - FT Vest MSFT & Target Income ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 520040 - Disclosure - FT Vest MSFT & Target Income ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 520045 - Disclosure - FT Vest MSFT & Target Income ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 520050 - Disclosure - FT Vest MSFT & Target Income ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520060 - Disclosure - FT Vest MSFT & Target Income ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520070 - Disclosure - FT Vest MSFT & Target Income ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 510000 - Disclosure - FT Vest MSFT & Target Income ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 510001 - Disclosure - FT Vest MSFT & Target Income ETF N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 610002 - Disclosure - FT Vest PLTR & Target Income ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 610003 - Disclosure - FT Vest PLTR & Target Income ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 610004 - Disclosure - FT Vest PLTR & Target Income ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 610005 - Disclosure - FT Vest PLTR & Target Income ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 610006 - Disclosure - FT Vest PLTR & Target Income ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 620010 - Disclosure - FT Vest PLTR & Target Income ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 620020 - Disclosure - FT Vest PLTR & Target Income ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 620030 - Disclosure - FT Vest PLTR & Target Income ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 620040 - Disclosure - FT Vest PLTR & Target Income ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 620045 - Disclosure - FT Vest PLTR & Target Income ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 620050 - Disclosure - FT Vest PLTR & Target Income ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620060 - Disclosure - FT Vest PLTR & Target Income ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620070 - Disclosure - FT Vest PLTR & Target Income ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 610000 - Disclosure - FT Vest PLTR & Target Income ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 610001 - Disclosure - FT Vest PLTR & Target Income ETF N-1A Supplement link:presentationLink link:definitionLink link:calculationLink FT Vest AMD & Target Income ETF S000101766 [Member] FT Vest AMD & Target Income ETF C000272031 [Member] Absence Of An Active Market Risk [Member] Call Options Risk [Member] Cash Transactions Risk [Member] Counterparty Risk [Member] Current Market Conditions Risk [Member] Cyber Security Risk [Member] Derivatives Risk [Member] Distribution Tax Risk [Member] Equity Securities Risk [Member] Flex Options Risk [Member] Income Risk [Member] Index Or Model Constituent Risk [Member] Inflation Risk [Member] Information Technology Companies Risk [Member] Large Shareholder Risk [Member] Leverage Risk [Member] Liquidity Risk [Member] Management Risk [Member] Market Risk [Member] New Fund Risk [Member] Risk Nondiversified [Member] Operational Risk [Member] Options Risk [Member] Portfolio Turnover Risk [Member] Premium Discount Risk [Member] Put Options Risk [Member] Semiconductors And Semiconductor Equipment Industry Risk [Member] Tax Characterization Risk [Member] Trading Issues Risk [Member] Underlying Security Concentration Risk [Member] Underlying Security Corporate Action Risk [Member] Underlying Security Investing Risk [Member] Advanced Micro Devices Inc Specific Risks [Member] US Government Securities Risk [Member] Valuation Risk [Member] FT Vest AMZN & Target Income ETF S000101776 [Member] FT Vest AMZN & Target Income ETF C000272041 [Member] Broadline Retail Industry Risk [Member] Consumer Discretionary Companies Risk [Member] Amazon Com Inc Specific Risks [Member] FT Vest GOOG & Target Income ETF S000101778 [Member] FT Vest GOOG & Target Income ETF C000272043 [Member] Communication Services Companies Risk [Member] Interactive Media And Services Industry Risk [Member] Alphabet Inc Specific Risks [Member] FT Vest META & Target Income ETF S000101774 [Member] FT Vest META & Target Income ETF C000272039 [Member] Meta Platforms Inc Specific Risks [Member] FT Vest MSFT & Target Income ETF S000101782 [Member] FT Vest MSFT & Target Income ETF C000272047 [Member] Software Industry Risk [Member] Microsoft Corporation Specific Risks [Member] FT Vest PLTR & Target Income ETF S000101768 [Member] FT Vest PLTR & Target Income ETF C000272033 [Member] Palantir Technologies Inc Specific Risks [Member]