First Trust Exchange-traded Fund Vi N-CSRS9 Dec 24Certified semi-annual shareholder report (management investment company)Financial data

Company Profile

Form N-CSR Cover

Form N-CSR Cover	6 Months Ended
Form N-CSR Cover	Sep. 30, 2024
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	First Trust Exchange-Traded Fund VI
Entity Central Index Key	0001552740
Entity Investment Company Type	N-1A
Document Period End Date	Sep. 30, 2024

Shareholder Report

Shareholder Report	6 Months Ended
Shareholder Report	Sep. 30, 2024 USD ($) Holding
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	First Trust Exchange-Traded Fund VI
Entity Central Index Key	0001552740
Entity Investment Company Type	N-1A
Document Period End Date	Sep. 30, 2024
C000169744 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Nasdaq Bank ETF
Class Name	First Trust Nasdaq Bank ETF
Trading Symbol	FTXO
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Nasdaq Bank ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/FTXO info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/FTXO
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Nasdaq Bank ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 31
Expense Ratio, Percent	0.60%	[1]
Net Assets	$ 108,997,542
Holdings Count \| Holding	51
Investment Company Portfolio Turnover	11%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 51 Portfolio turnover rate 11 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Citigroup, Inc. 8.1 % Bank of America Corp. 7.9 % U.S. Bancorp 7.8 % Wells Fargo & Co. 7.8 % JPMorgan Chase & Co. 7.6 % M&T Bank Corp. 4.2 % PNC Financial Services Group (The), Inc. 4.0 % Citizens Financial Group, Inc. 3.8 % Fifth Third Bancorp 3.7 % First Citizens BancShares, Inc., Class A 3.7 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Citigroup, Inc. 8.1 % Bank of America Corp. 7.9 % U.S. Bancorp 7.8 % Wells Fargo & Co. 7.8 % JPMorgan Chase & Co. 7.6 % M&T Bank Corp. 4.2 % PNC Financial Services Group (The), Inc. 4.0 % Citizens Financial Group, Inc. 3.8 % Fifth Third Bancorp 3.7 % First Citizens BancShares, Inc., Class A 3.7 %
C000169745 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Nasdaq Food & Beverage ETF
Class Name	First Trust Nasdaq Food & Beverage ETF
Trading Symbol	FTXG
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Nasdaq Food & Beverage ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/FTXG info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/FTXG
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Nasdaq Food & Beverage ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 31
Expense Ratio, Percent	0.60%	[2]
Net Assets	$ 33,343,734
Holdings Count \| Holding	31
Investment Company Portfolio Turnover	9%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 31 Portfolio turnover rate 9 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Mondelez International, Inc., Class A 8.1 % Coca-Cola (The) Co. 7.8 % PepsiCo, Inc. 7.7 % Archer-Daniels-Midland Co. 7.7 % Kraft Heinz (The) Co. 6.9 % Constellation Brands, Inc., Class A 4.2 % Molson Coors Beverage Co., Class B 4.0 % Corteva, Inc. 4.0 % General Mills, Inc. 4.0 % Hershey (The) Co. 3.9 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Mondelez International, Inc., Class A 8.1 % Coca-Cola (The) Co. 7.8 % PepsiCo, Inc. 7.7 % Archer-Daniels-Midland Co. 7.7 % Kraft Heinz (The) Co. 6.9 % Constellation Brands, Inc., Class A 4.2 % Molson Coors Beverage Co., Class B 4.0 % Corteva, Inc. 4.0 % General Mills, Inc. 4.0 % Hershey (The) Co. 3.9 %
C000169746 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Nasdaq Oil & Gas ETF
Class Name	First Trust Nasdaq Oil & Gas ETF
Trading Symbol	FTXN
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Nasdaq Oil & Gas ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/FTXN info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/FTXN
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Nasdaq Oil & Gas ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 29
Expense Ratio, Percent	0.60%	[3]
Net Assets	$ 170,933,352
Holdings Count \| Holding	44
Investment Company Portfolio Turnover	15%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 44 Portfolio turnover rate 15 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Chevron Corp. 8.2 % Exxon Mobil Corp. 8.2 % ConocoPhillips 7.6 % EOG Resources, Inc. 6.6 % Marathon Petroleum Corp. 6.0 % Kinder Morgan, Inc. 4.2 % Phillips 66 3.9 % Schlumberger N.V. 3.8 % Valero Energy Corp. 3.8 % Occidental Petroleum Corp. 3.7 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Chevron Corp. 8.2 % Exxon Mobil Corp. 8.2 % ConocoPhillips 7.6 % EOG Resources, Inc. 6.6 % Marathon Petroleum Corp. 6.0 % Kinder Morgan, Inc. 4.2 % Phillips 66 3.9 % Schlumberger N.V. 3.8 % Valero Energy Corp. 3.8 % Occidental Petroleum Corp. 3.7 %
C000169747 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Nasdaq Pharmaceuticals ETF
Class Name	First Trust Nasdaq Pharmaceuticals ETF
Trading Symbol	FTXH
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Nasdaq Pharmaceuticals ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/FTXH info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/FTXH
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Nasdaq Pharmaceuticals ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 31
Expense Ratio, Percent	0.60%	[4]
Net Assets	$ 17,301,171
Holdings Count \| Holding	51
Investment Company Portfolio Turnover	13%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 51 Portfolio turnover rate 13 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Bristol-Myers Squibb Co. 7.6 % AbbVie, Inc. 7.4 % Pfizer, Inc. 7.3 % Johnson & Johnson 7.2 % Merck & Co., Inc. 7.1 % Zoetis, Inc. 3.9 % Gilead Sciences, Inc. 3.9 % Cardinal Health, Inc. 3.6 % Amgen, Inc. 3.6 % Viatris, Inc. 3.5 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Bristol-Myers Squibb Co. 7.6 % AbbVie, Inc. 7.4 % Pfizer, Inc. 7.3 % Johnson & Johnson 7.2 % Merck & Co., Inc. 7.1 % Zoetis, Inc. 3.9 % Gilead Sciences, Inc. 3.9 % Cardinal Health, Inc. 3.6 % Amgen, Inc. 3.6 % Viatris, Inc. 3.5 %
C000169748 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust S-Network E-Commerce ETF
Class Name	First Trust S-Network E-Commerce ETF
Trading Symbol	ISHP
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust S-Network E-Commerce ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/ISHP info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/ISHP
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust S-Network E-Commerce ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 33
Expense Ratio, Percent	0.60%	[5]
Net Assets	$ 5,170,145
Holdings Count \| Holding	62
Investment Company Portfolio Turnover	16%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 62 Portfolio turnover rate 16 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings JD Health International, Inc. 2.4 % Meituan, Class B 2.2 % JD.com, Inc., ADR 2.1 % DoorDash, Inc., Class A 2.0 % Alibaba Group Holding Ltd., ADR 2.0 % Carvana Co. 2.0 % ZOZO, Inc. 2.0 % PayPal Holdings, Inc. 1.9 % KE Holdings, Inc., ADR 1.9 % Zillow Group, Inc., Class C 1.9 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings JD Health International, Inc. 2.4 % Meituan, Class B 2.2 % JD.com, Inc., ADR 2.1 % DoorDash, Inc., Class A 2.0 % Alibaba Group Holding Ltd., ADR 2.0 % Carvana Co. 2.0 % ZOZO, Inc. 2.0 % PayPal Holdings, Inc. 1.9 % KE Holdings, Inc., ADR 1.9 % Zillow Group, Inc., Class C 1.9 %
C000169749 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Nasdaq Semiconductor ETF
Class Name	First Trust Nasdaq Semiconductor ETF
Trading Symbol	FTXL
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Nasdaq Semiconductor ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/FTXL info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/FTXL
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Nasdaq Semiconductor ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 31
Expense Ratio, Percent	0.60%	[6]
Net Assets	$ 1,441,739,873
Holdings Count \| Holding	32
Investment Company Portfolio Turnover	11%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 32 Portfolio turnover rate 11 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Intel Corp. 8.4 % Broadcom, Inc. 8.4 % Applied Materials, Inc. 8.1 % NVIDIA Corp. 8.1 % QUALCOMM, Inc. 7.7 % Micron Technology, Inc. 4.3 % Lam Research Corp. 3.9 % Analog Devices, Inc. 3.9 % Microchip Technology, Inc. 3.9 % Texas Instruments, Inc. 3.8 % Sector Allocation Any amount shown as 0.0% represents less than 0.1%.
Largest Holdings [Text Block]	Top Ten Holdings Intel Corp. 8.4 % Broadcom, Inc. 8.4 % Applied Materials, Inc. 8.1 % NVIDIA Corp. 8.1 % QUALCOMM, Inc. 7.7 % Micron Technology, Inc. 4.3 % Lam Research Corp. 3.9 % Analog Devices, Inc. 3.9 % Microchip Technology, Inc. 3.9 % Texas Instruments, Inc. 3.8 %
C000169750 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Nasdaq Transportation ETF
Class Name	First Trust Nasdaq Transportation ETF
Trading Symbol	FTXR
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Nasdaq Transportation ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/FTXR info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/FTXR
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Nasdaq Transportation ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 30
Expense Ratio, Percent	0.60%	[7]
Net Assets	$ 32,117,277
Holdings Count \| Holding	42
Investment Company Portfolio Turnover	14%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 42 Portfolio turnover rate 14 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Tesla, Inc. 9.3 % United Parcel Service, Inc., Class B 8.1 % Union Pacific Corp. 7.3 % Ford Motor Co. 7.2 % General Motors Co. 6.9 % United Airlines Holdings, Inc. 4.9 % Delta Air Lines, Inc. 4.6 % United Rentals, Inc. 4.2 % PACCAR, Inc. 3.9 % CSX Corp. 3.8 % Sector Allocation Any amount shown as 0.0% represents less than 0.1%.
Largest Holdings [Text Block]	Top Ten Holdings Tesla, Inc. 9.3 % United Parcel Service, Inc., Class B 8.1 % Union Pacific Corp. 7.3 % Ford Motor Co. 7.2 % General Motors Co. 6.9 % United Airlines Holdings, Inc. 4.9 % Delta Air Lines, Inc. 4.6 % United Rentals, Inc. 4.2 % PACCAR, Inc. 3.9 % CSX Corp. 3.8 %
C000190378 [Member]
Shareholder Report [Line Items]
Fund Name	Emerging Markets Equity Select ETF
Class Name	Emerging Markets Equity Select ETF
Trading Symbol	RNEM
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the Emerging Markets Equity Select ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/RNEM info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/RNEM
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage Emerging Markets Equity Select ETF $ (1) 0.77 % (1) (2) (1) Includes other expenses. If these other expenses were not included, the expense ratio would have been 0.75%. (2) Annualized.
Expenses Paid, Amount	$ 40	[8]
Expense Ratio, Percent	0.77%	[8],[9]
Net Assets	$ 19,396,861
Holdings Count \| Holding	273
Investment Company Portfolio Turnover	29%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 273 Portfolio turnover rate 29 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Air China Ltd., Class H 3.2 % Bosideng International Holdings Ltd. 3.2 % Tata Consultancy Services Ltd. 3.0 % Reliance Industries Ltd. 2.7 % Bajaj Finserv Ltd. 2.1 % HDFC Bank Ltd. 2.1 % Axis Bank Ltd. 2.1 % ICICI Bank Ltd. 2.0 % Grasim Industries Ltd. 1.8 % State Bank of India 1.8 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Air China Ltd., Class H 3.2 % Bosideng International Holdings Ltd. 3.2 % Tata Consultancy Services Ltd. 3.0 % Reliance Industries Ltd. 2.7 % Bajaj Finserv Ltd. 2.1 % HDFC Bank Ltd. 2.1 % Axis Bank Ltd. 2.1 % ICICI Bank Ltd. 2.0 % Grasim Industries Ltd. 1.8 % State Bank of India 1.8 %
C000190379 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Bloomberg Shareholder Yield ETF
Class Name	First Trust Bloomberg Shareholder Yield ETF
Trading Symbol	SHRY
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Bloomberg Shareholder Yield ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/SHRY info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/SHRY
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Bloomberg Shareholder Yield ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 31
Expense Ratio, Percent	0.60%	[10]
Net Assets	$ 20,644,419
Holdings Count \| Holding	51
Investment Company Portfolio Turnover	82%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 51 Portfolio turnover rate 82 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Altria Group, Inc. 5.1 % Comcast Corp., Class A 4.7 % Hartford Financial Services Group (The), Inc. 3.4 % Lowe’s Cos., Inc. 3.4 % HP, Inc. 3.3 % Cigna Group (The) 3.1 % General Mills, Inc. 3.1 % Aflac, Inc. 3.1 % MetLife, Inc. 2.9 % Kroger (The) Co. 2.7 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Altria Group, Inc. 5.1 % Comcast Corp., Class A 4.7 % Hartford Financial Services Group (The), Inc. 3.4 % Lowe’s Cos., Inc. 3.4 % HP, Inc. 3.3 % Cigna Group (The) 3.1 % General Mills, Inc. 3.1 % Aflac, Inc. 3.1 % MetLife, Inc. 2.9 % Kroger (The) Co. 2.7 %
C000190380 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust SMID Capital Strength ETF
Class Name	First Trust SMID Capital Strength ETF
Trading Symbol	FSCS
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust SMID Capital Strength ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/FSCS info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/FSCS
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust SMID Capital Strength ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 31
Expense Ratio, Percent	0.60%	[11]
Net Assets	$ 21,112,307
Holdings Count \| Holding	101
Investment Company Portfolio Turnover	116%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 101 Portfolio turnover rate 116 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Erie Indemnity Co., Class A 1.3 % Kellanova 1.3 % CommVault Systems, Inc. 1.2 % F5, Inc. 1.2 % eBay, Inc. 1.1 % RenaissanceRe Holdings Ltd. 1.1 % Clorox (The) Co. 1.1 % Molina Healthcare, Inc. 1.1 % Curtiss-Wright Corp. 1.1 % Mueller Industries, Inc. 1.1 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Erie Indemnity Co., Class A 1.3 % Kellanova 1.3 % CommVault Systems, Inc. 1.2 % F5, Inc. 1.2 % eBay, Inc. 1.1 % RenaissanceRe Holdings Ltd. 1.1 % Clorox (The) Co. 1.1 % Molina Healthcare, Inc. 1.1 % Curtiss-Wright Corp. 1.1 % Mueller Industries, Inc. 1.1 %
C000190381 [Member]
Shareholder Report [Line Items]
Fund Name	Small Cap US Equity Select ETF
Class Name	Small Cap US Equity Select ETF
Trading Symbol	RNSC
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the Small Cap US Equity Select ETF (the “Fund”) for the period of April 1, 2024 to September 30, 2024 (the “Period”).
Shareholder Report Annual or Semi-Annual	semi-annual shareholder report
Additional Information [Text Block]	You can find additional information about the Fund at www.ftportfolios.com/fund-documents/etf/RNSC info ftportfolios.com
Material Fund Change Notice [Text Block]	This report describes changes to the Fund that occurred during and after the reporting period.
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/RNSC
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage Small Cap US Equity Select ETF $ 0.60 % (1) (1) Annualized.
Expenses Paid, Amount	$ 31
Expense Ratio, Percent	0.60%	[12]
Material Change Date	Dec. 04, 2024
Net Assets	$ 28,646,572
Holdings Count \| Holding	325
Investment Company Portfolio Turnover	35%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 325 Portfolio turnover rate 35 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings National HealthCare Corp. 2.7 % LeMaitre Vascular, Inc. 2.6 % Premier, Inc., Class A 2.5 % CONMED Corp. 2.4 % U.S. Physical Therapy, Inc. 2.1 % Patterson Cos., Inc. 2.1 % Bank of America Corp. 2.1 % Clear Secure, Inc., Class A 2.0 % Progress Software Corp. 1.4 % CSG Systems International, Inc. 1.4 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings National HealthCare Corp. 2.7 % LeMaitre Vascular, Inc. 2.6 % Premier, Inc., Class A 2.5 % CONMED Corp. 2.4 % U.S. Physical Therapy, Inc. 2.1 % Patterson Cos., Inc. 2.1 % Bank of America Corp. 2.1 % Clear Secure, Inc., Class A 2.0 % Progress Software Corp. 1.4 % CSG Systems International, Inc. 1.4 %
Material Fund Change [Text Block]	HOW HAS THE FUND MATERIALLY CHANGED? This is a summary of certain changes to the Fund since April 1, 2024. For more complete information, you may review the Fund’s prospectus and any applicable supplements at www.ftportfolios.com/fund-documents/etf/RNSC info ftportfolios.com Effective on or around December 4, 2024, the Small Cap US Equity Select ETF will change its name to First Trust SMID Growth Strength ETF (FSGS) and its Index to The SMID Growth Strength Index.
Material Fund Change Name [Text Block]	Effective on or around December 4, 2024, the Small Cap US Equity Select ETF will change its name to First Trust SMID Growth Strength ETF (FSGS) and its Index to The SMID Growth Strength Index.
Updated Prospectus Phone Number	1-800-621-1675
Updated Prospectus Email Address	info@ftportfolios.com
Updated Prospectus Web Address	www.ftportfolios.com/fund-documents/etf/RNSC
C000190382 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust S&P 500 Diversified Dividend Aristocrats ETF
Class Name	First Trust S&P 500 Diversified Dividend Aristocrats ETF
Trading Symbol	KNGZ
Security Exchange Name	NASDAQ
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust S&P 500 Diversified Dividend Aristocrats ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/KNGZ info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/KNGZ
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust S&P 500 Diversified Dividend Aristocrats ETF $ 0.50 % (1) (1) Annualized.
Expenses Paid, Amount	$ 26
Expense Ratio, Percent	0.50%	[13]
Net Assets	$ 39,520,101
Holdings Count \| Holding	97
Investment Company Portfolio Turnover	15%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 97 Portfolio turnover rate 15 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings International Business Machines Corp. 4.5 % Verizon Communications, Inc. 3.7 % Corning, Inc. 3.6 % HP, Inc. 3.5 % Texas Instruments, Inc. 3.4 % Hewlett Packard Enterprise Co. 3.1 % Interpublic Group of (The) Cos., Inc. 2.4 % Microchip Technology, Inc. 2.2 % Accenture PLC, Class A 2.2 % Bristol-Myers Squibb Co. 2.1 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings International Business Machines Corp. 4.5 % Verizon Communications, Inc. 3.7 % Corning, Inc. 3.6 % HP, Inc. 3.5 % Texas Instruments, Inc. 3.4 % Hewlett Packard Enterprise Co. 3.1 % Interpublic Group of (The) Cos., Inc. 2.4 % Microchip Technology, Inc. 2.2 % Accenture PLC, Class A 2.2 % Bristol-Myers Squibb Co. 2.1 %
C000227379 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust S-Network Streaming& Gaming ETF
Class Name	First Trust S-Network Streaming& Gaming ETF
Trading Symbol	BNGE
Security Exchange Name	NYSEArca
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust S-Network Streaming & Gaming ETF (the “Fund”) for the period of April 1, 2024 to September 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 www.ftportfolios.com/fund-documents/etf/BNGE info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/BNGE
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust S-Network Streaming & Gaming ETF $ 0.70 % (1) (1) Annualized.
Expenses Paid, Amount	$ 36
Expense Ratio, Percent	0.70%	[14]
Net Assets	$ 5,302,719
Holdings Count \| Holding	47
Investment Company Portfolio Turnover	12%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 47 Portfolio turnover rate 12 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Spotify Technology S.A. 5.3 % Flutter Entertainment PLC 5.1 % Tencent Holdings Ltd. 5.0 % Netflix, Inc. 4.7 % JOYY, Inc., ADR 4.7 % NetEase, Inc., ADR 4.4 % Sony Group Corp. 4.4 % Walt Disney (The) Co. 4.3 % Electronic Arts, Inc. 4.3 % NVIDIA Corp. 4.2 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Spotify Technology S.A. 5.3 % Flutter Entertainment PLC 5.1 % Tencent Holdings Ltd. 5.0 % Netflix, Inc. 4.7 % JOYY, Inc., ADR 4.7 % NetEase, Inc., ADR 4.4 % Sony Group Corp. 4.4 % Walt Disney (The) Co. 4.3 % Electronic Arts, Inc. 4.3 % NVIDIA Corp. 4.2 %
C000227613 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Indxx Medical Devices ETF
Class Name	First Trust Indxx Medical Devices ETF
Trading Symbol	MDEV
Security Exchange Name	CboeBZX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Indxx Medical Devices ETF (the “Fund”) for the period of April 1, 2024 to September 30, 2024 (the “Period”).
Shareholder Report Annual or Semi-Annual	semi-annual shareholder report
Additional Information [Text Block]	You can find additional information about the Fund at www.ftportfolios.com/fund-documents/etf/MDEV info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/MDEV
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Indxx Medical Devices ETF $ 0.70 % (1) (1) Annualized.
Expenses Paid, Amount	$ 36
Expense Ratio, Percent	0.70%	[15]
Net Assets	$ 3,345,738
Holdings Count \| Holding	50
Investment Company Portfolio Turnover	11%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 50 Portfolio turnover rate 11 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Koninklijke Philips N.V. 3.0 % WuXi AppTec Co., Ltd., Class H 2.9 % Fisher & Paykel Healthcare Corp., Ltd. 2.6 % Globus Medical, Inc., Class A 2.6 % Olympus Corp. 2.5 % Insulet Corp. 2.5 % ResMed, Inc. 2.4 % Hoya Corp. 2.4 % Smith & Nephew PLC 2.4 % Intuitive Surgical, Inc. 2.4 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Koninklijke Philips N.V. 3.0 % WuXi AppTec Co., Ltd., Class H 2.9 % Fisher & Paykel Healthcare Corp., Ltd. 2.6 % Globus Medical, Inc., Class A 2.6 % Olympus Corp. 2.5 % Insulet Corp. 2.5 % ResMed, Inc. 2.4 % Hoya Corp. 2.4 % Smith & Nephew PLC 2.4 % Intuitive Surgical, Inc. 2.4 %
C000248907 [Member]
Shareholder Report [Line Items]
Fund Name	First Trust Bloomberg R&D Leaders ETF
Class Name	First Trust Bloomberg R&D Leaders ETF
Trading Symbol	RND
Security Exchange Name	NYSEArca
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the First Trust Bloomberg R&D Leaders ETF (the “Fund”) for the period of April 30, 2024 (commencement of investment operations) to September 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 www.ftportfolios.com/fund-documents/etf/RND info ftportfolios.com
Additional Information Phone Number	1-800-621-1675
Additional Information Email	info@ftportfolios.com
Additional Information Website	www.ftportfolios.com/fund-documents/etf/RND
Expenses [Text Block]	WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage First Trust Bloomberg R&D Leaders ETF $ (1) 0.60 % (2) (1) The Fund commenced investment operations on April 30, 2024. Had the Fund been in operation for a complete fiscal year, the cost of a $10,000 investment would have been higher. (2) Annualized.
Expenses Paid, Amount	$ 28	[16]
Expense Ratio, Percent	0.60%	[17]
Net Assets	$ 2,334,907
Holdings Count \| Holding	50
Investment Company Portfolio Turnover	4%
Additional Fund Statistics [Text Block]	KEY FUND STATISTICS (As of September 30, 2024) Fund net assets $ Total number of portfolio holdings 50 Portfolio turnover rate 4 %
Holdings [Text Block]	WHAT DID THE FUND INVEST IN? (As of September 30, 2024) The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund. Top Ten Holdings Meta Platforms, Inc., Class A 8.7 % Apple, Inc. 8.5 % NVIDIA Corp. 7.6 % Amazon.com, Inc. 7.4 % Microsoft Corp. 7.4 % Tesla, Inc. 5.1 % Eli Lilly & Co. 3.8 % Caterpillar, Inc. 3.7 % Philip Morris International, Inc. 3.5 % Alphabet, Inc., Class A 3.5 % Sector Allocation
Largest Holdings [Text Block]	Top Ten Holdings Meta Platforms, Inc., Class A 8.7 % Apple, Inc. 8.5 % NVIDIA Corp. 7.6 % Amazon.com, Inc. 7.4 % Microsoft Corp. 7.4 % Tesla, Inc. 5.1 % Eli Lilly & Co. 3.8 % Caterpillar, Inc. 3.7 % Philip Morris International, Inc. 3.5 % Alphabet, Inc., Class A 3.5 %

[1]Annualized.[2]Annualized.[3]Annualized.[4]Annualized.[5]Annualized.[6]Annualized.[7]Annualized.[8]Includes other expenses. If these other expenses were not included, the expense ratio would have been 0.75%.[9]Annualized.[10]Annualized.[11]Annualized.[12]Annualized.[13]Annualized.[14]Annualized.[15]Annualized.[16]The Fund commenced investment operations on April 30, 2024. Had the Fund been in operation for a complete fiscal year, the cost of a $10,000 investment would have been higher.[17]Annualized.

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Sep. 30, 2024
C000169744 [Member] \| Citigroup Inc [Member]
Holdings [Line Items]
Percent of Total Investments	8.10%
C000169744 [Member] \| Bank of America Corp [Member]
Holdings [Line Items]
Percent of Total Investments	7.90%
C000169744 [Member] \| U S Bancorp [Member]
Holdings [Line Items]
Percent of Total Investments	7.80%
C000169744 [Member] \| Wells Fargo And Co [Member]
Holdings [Line Items]
Percent of Total Investments	7.80%
C000169744 [Member] \| JPMorgan Chase And Co [Member]
Holdings [Line Items]
Percent of Total Investments	7.60%
C000169744 [Member] \| M And T Bank Corp [Member]
Holdings [Line Items]
Percent of Total Investments	4.20%
C000169744 [Member] \| PNC Financial Services Group The Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4%
C000169744 [Member] \| Citizens Financial Group Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.80%
C000169744 [Member] \| Fifth Third Bancorp [Member]
Holdings [Line Items]
Percent of Total Investments	3.70%
C000169744 [Member] \| First Citizens BancShares Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	3.70%
C000169744 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Investments	99.90%
C000169744 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.10%
C000169745 [Member] \| General Mills Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4%
C000169745 [Member] \| Mondelez International Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	8.10%
C000169745 [Member] \| Coca Cola The Co [Member]
Holdings [Line Items]
Percent of Total Investments	7.80%
C000169745 [Member] \| PepsiCo Inc [Member]
Holdings [Line Items]
Percent of Total Investments	7.70%
C000169745 [Member] \| Archer Daniels Midland Co [Member]
Holdings [Line Items]
Percent of Total Investments	7.70%
C000169745 [Member] \| Kraft Heinz The Co [Member]
Holdings [Line Items]
Percent of Total Investments	6.90%
C000169745 [Member] \| Constellation Brands Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	4.20%
C000169745 [Member] \| Molson Coors Beverage Co Class B [Member]
Holdings [Line Items]
Percent of Total Investments	4%
C000169745 [Member] \| Corteva Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4%
C000169745 [Member] \| Hershey The Co [Member]
Holdings [Line Items]
Percent of Total Investments	3.90%
C000169745 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Total Investments	95.90%
C000169745 [Member] \| Materials Sector [Member]
Holdings [Line Items]
Percent of Total Investments	4%
C000169745 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.10%
C000169746 [Member] \| Marathon Petroleum Corp [Member]
Holdings [Line Items]
Percent of Total Investments	6%
C000169746 [Member] \| Kinder Morgan Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4.20%
C000169746 [Member] \| Phillips 66 [Member]
Holdings [Line Items]
Percent of Total Investments	3.90%
C000169746 [Member] \| Schlumberger N V [Member]
Holdings [Line Items]
Percent of Total Investments	3.80%
C000169746 [Member] \| Valero Energy Corp [Member]
Holdings [Line Items]
Percent of Total Investments	3.80%
C000169746 [Member] \| Occidental Petroleum Corp [Member]
Holdings [Line Items]
Percent of Total Investments	3.70%
C000169746 [Member] \| Chevron Corp [Member]
Holdings [Line Items]
Percent of Total Investments	8.20%
C000169746 [Member] \| Exxon Mobil Corp [Member]
Holdings [Line Items]
Percent of Total Investments	8.20%
C000169746 [Member] \| ConocoPhillips [Member]
Holdings [Line Items]
Percent of Total Investments	7.60%
C000169746 [Member] \| EOG Resources Inc [Member]
Holdings [Line Items]
Percent of Total Investments	6.60%
C000169746 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Investments	99.90%
C000169746 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.10%
C000169747 [Member] \| Bristol Myers Squibb Co [Member]
Holdings [Line Items]
Percent of Total Investments	7.60%
C000169747 [Member] \| AbbVie Inc [Member]
Holdings [Line Items]
Percent of Total Investments	7.40%
C000169747 [Member] \| Pfizer Inc [Member]
Holdings [Line Items]
Percent of Total Investments	7.30%
C000169747 [Member] \| Johnson And Johnson [Member]
Holdings [Line Items]
Percent of Total Investments	7.20%
C000169747 [Member] \| Merck And Co Inc [Member]
Holdings [Line Items]
Percent of Total Investments	7.10%
C000169747 [Member] \| Zoetis Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.90%
C000169747 [Member] \| Gilead Sciences Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.90%
C000169747 [Member] \| Cardinal Health Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.60%
C000169747 [Member] \| Amgen Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.60%
C000169747 [Member] \| Viatris Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.50%
C000169747 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Total Investments	99.90%
C000169747 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.10%
C000169748 [Member] \| JD Health International Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.40%
C000169748 [Member] \| Meituan Class B [Member]
Holdings [Line Items]
Percent of Total Investments	2.20%
C000169748 [Member] \| JD com Inc ADR [Member]
Holdings [Line Items]
Percent of Total Investments	2.10%
C000169748 [Member] \| DoorDash Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	2%
C000169748 [Member] \| Alibaba Group Holding Ltd ADR [Member]
Holdings [Line Items]
Percent of Total Investments	2%
C000169748 [Member] \| Carvana Co [Member]
Holdings [Line Items]
Percent of Total Investments	2%
C000169748 [Member] \| ZOZO Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2%
C000169748 [Member] \| KE Holdings Inc ADR [Member]
Holdings [Line Items]
Percent of Total Investments	1.90%
C000169748 [Member] \| Zillow Group Inc Class C [Member]
Holdings [Line Items]
Percent of Total Investments	1.90%
C000169748 [Member] \| PayPal Holdings Inc [Member]
Holdings [Line Items]
Percent of Total Investments	1.90%
C000169748 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Investments	10.40%
C000169748 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Total Investments	4.20%
C000169748 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	41.20%
C000169748 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Total Investments	10.40%
C000169748 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	3.50%
C000169748 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Total Investments	6.90%
C000169748 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Total Investments	23.30%
C000169748 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.10%
C000169749 [Member] \| Intel Corp [Member]
Holdings [Line Items]
Percent of Total Investments	8.40%
C000169749 [Member] \| Broadcom Inc [Member]
Holdings [Line Items]
Percent of Total Investments	8.40%
C000169749 [Member] \| Applied Materials Inc [Member]
Holdings [Line Items]
Percent of Total Investments	8.10%
C000169749 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Total Investments	8.10%
C000169749 [Member] \| QUALCOMM Inc [Member]
Holdings [Line Items]
Percent of Total Investments	7.70%
C000169749 [Member] \| Micron Technology Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4.30%
C000169749 [Member] \| Lam Research Corp [Member]
Holdings [Line Items]
Percent of Total Investments	3.90%
C000169749 [Member] \| Analog Devices Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.90%
C000169749 [Member] \| Texas Instruments Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.80%
C000169749 [Member] \| Microchip Technology Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.90%
C000169749 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	100%
C000169749 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0%
C000169750 [Member] \| Tesla Inc [Member]
Holdings [Line Items]
Percent of Total Investments	9.30%
C000169750 [Member] \| United Parcel Service Inc Class B [Member]
Holdings [Line Items]
Percent of Total Investments	8.10%
C000169750 [Member] \| Union Pacific Corp [Member]
Holdings [Line Items]
Percent of Total Investments	7.30%
C000169750 [Member] \| Ford Motor Co [Member]
Holdings [Line Items]
Percent of Total Investments	7.20%
C000169750 [Member] \| General Motors Co [Member]
Holdings [Line Items]
Percent of Total Investments	6.90%
C000169750 [Member] \| United Airlines Holdings Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4.90%
C000169750 [Member] \| Delta Air Lines Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4.60%
C000169750 [Member] \| United Rentals Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4.20%
C000169750 [Member] \| PACCAR Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.90%
C000169750 [Member] \| CSX Corp [Member]
Holdings [Line Items]
Percent of Total Investments	3.80%
C000169750 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Investments	0.70%
C000169750 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	32.70%
C000169750 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Total Investments	66.50%
C000169750 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.10%
C000169750 [Member] \| Repurchase Agreements [Member]
Holdings [Line Items]
Percent of Total Investments	0%
C000190378 [Member] \| Air China Ltd Class H [Member]
Holdings [Line Items]
Percent of Total Investments	3.20%
C000190378 [Member] \| Bosideng International Holdings Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	3.20%
C000190378 [Member] \| Tata Consultancy Services Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	3%
C000190378 [Member] \| Reliance Industries Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	2.70%
C000190378 [Member] \| Bajaj Finserv Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	2.10%
C000190378 [Member] \| HDFC Bank Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	2.10%
C000190378 [Member] \| Axis Bank Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	2.10%
C000190378 [Member] \| ICICI Bank Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	2%
C000190378 [Member] \| Grasim Industries Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	1.80%
C000190378 [Member] \| State Bank of India [Member]
Holdings [Line Items]
Percent of Total Investments	1.80%
C000190378 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Investments	37.90%
C000190378 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Total Investments	8.40%
C000190378 [Member] \| Materials Sector [Member]
Holdings [Line Items]
Percent of Total Investments	14%
C000190378 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Investments	4.90%
C000190378 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	10.70%
C000190378 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Total Investments	7.80%
C000190378 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	3.10%
C000190378 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Total Investments	6%
C000190378 [Member] \| Unclassified Sector [Member]
Holdings [Line Items]
Percent of Total Investments	4.10%
C000190378 [Member] \| Utilities Sector [Member]
Holdings [Line Items]
Percent of Total Investments	3.10%
C000190379 [Member] \| General Mills Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.10%
C000190379 [Member] \| Altria Group Inc [Member]
Holdings [Line Items]
Percent of Total Investments	5.10%
C000190379 [Member] \| Comcast Corp Class A [Member]
Holdings [Line Items]
Percent of Total Investments	4.70%
C000190379 [Member] \| Hartford Financial Services Group The Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.40%
C000190379 [Member] \| Lowe s Cos Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.40%
C000190379 [Member] \| HP Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.30%
C000190379 [Member] \| Cigna Group The [Member]
Holdings [Line Items]
Percent of Total Investments	3.10%
C000190379 [Member] \| Aflac Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.10%
C000190379 [Member] \| MetLife Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.90%
C000190379 [Member] \| Kroger The Co [Member]
Holdings [Line Items]
Percent of Total Investments	2.70%
C000190379 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Investments	20.90%
C000190379 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Total Investments	16.40%
C000190379 [Member] \| Materials Sector [Member]
Holdings [Line Items]
Percent of Total Investments	1.80%
C000190379 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Investments	6.40%
C000190379 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Total Investments	13.30%
C000190379 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	9.80%
C000190379 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Total Investments	10.30%
C000190379 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	12.90%
C000190379 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Total Investments	8.10%
C000190379 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.10%
C000190380 [Member] \| Erie Indemnity Co Class A [Member]
Holdings [Line Items]
Percent of Total Investments	1.30%
C000190380 [Member] \| Kellanova [Member]
Holdings [Line Items]
Percent of Total Investments	1.30%
C000190380 [Member] \| CommVault Systems Inc [Member]
Holdings [Line Items]
Percent of Total Investments	1.20%
C000190380 [Member] \| F5 Inc [Member]
Holdings [Line Items]
Percent of Total Investments	1.20%
C000190380 [Member] \| eBay Inc [Member]
Holdings [Line Items]
Percent of Total Investments	1.10%
C000190380 [Member] \| RenaissanceRe Holdings Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	1.10%
C000190380 [Member] \| Clorox The Co [Member]
Holdings [Line Items]
Percent of Total Investments	1.10%
C000190380 [Member] \| Molina Healthcare Inc [Member]
Holdings [Line Items]
Percent of Total Investments	1.10%
C000190380 [Member] \| Curtiss Wright Corp [Member]
Holdings [Line Items]
Percent of Total Investments	1.10%
C000190380 [Member] \| Mueller Industries Inc [Member]
Holdings [Line Items]
Percent of Total Investments	1.10%
C000190380 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Investments	31.30%
C000190380 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Total Investments	4.40%
C000190380 [Member] \| Materials Sector [Member]
Holdings [Line Items]
Percent of Total Investments	6.90%
C000190380 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Investments	2.40%
C000190380 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Total Investments	8%
C000190380 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	8.60%
C000190380 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Total Investments	31.30%
C000190380 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	5.40%
C000190380 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Total Investments	0.90%
C000190380 [Member] \| Unclassified Sector [Member]
Holdings [Line Items]
Percent of Total Investments	0.80%
C000190381 [Member] \| Bank of America Corp [Member]
Holdings [Line Items]
Percent of Total Investments	2.10%
C000190381 [Member] \| National HealthCare Corp [Member]
Holdings [Line Items]
Percent of Total Investments	2.70%
C000190381 [Member] \| LeMaitre Vascular Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.60%
C000190381 [Member] \| Premier Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	2.50%
C000190381 [Member] \| Progress Software Corp [Member]
Holdings [Line Items]
Percent of Total Investments	1.40%
C000190381 [Member] \| CSG Systems International Inc [Member]
Holdings [Line Items]
Percent of Total Investments	1.40%
C000190381 [Member] \| CONMED Corp [Member]
Holdings [Line Items]
Percent of Total Investments	2.40%
C000190381 [Member] \| U S Physical Therapy Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.10%
C000190381 [Member] \| Patterson Cos Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.10%
C000190381 [Member] \| Clear Secure Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	2%
C000190381 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Investments	18.90%
C000190381 [Member] \| Materials Sector [Member]
Holdings [Line Items]
Percent of Total Investments	4.80%
C000190381 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Investments	4.40%
C000190381 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Total Investments	14.60%
C000190381 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	11.10%
C000190381 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Total Investments	16.70%
C000190381 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	10.20%
C000190381 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Total Investments	8.50%
C000190381 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Total Investments	3.20%
C000190381 [Member] \| Unclassified Sector [Member]
Holdings [Line Items]
Percent of Total Investments	7.60%
C000190382 [Member] \| Bristol Myers Squibb Co [Member]
Holdings [Line Items]
Percent of Total Investments	2.10%
C000190382 [Member] \| Texas Instruments Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.40%
C000190382 [Member] \| Microchip Technology Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.20%
C000190382 [Member] \| HP Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.50%
C000190382 [Member] \| International Business Machines Corp [Member]
Holdings [Line Items]
Percent of Total Investments	4.50%
C000190382 [Member] \| Verizon Communications Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.70%
C000190382 [Member] \| Corning Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.60%
C000190382 [Member] \| Hewlett Packard Enterprise Co [Member]
Holdings [Line Items]
Percent of Total Investments	3.10%
C000190382 [Member] \| Interpublic Group of The Cos Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.40%
C000190382 [Member] \| Accenture PLC Class A [Member]
Holdings [Line Items]
Percent of Total Investments	2.20%
C000190382 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Investments	12%
C000190382 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Total Investments	6.10%
C000190382 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Investments	3.40%
C000190382 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Total Investments	11.80%
C000190382 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	10.70%
C000190382 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Total Investments	8.40%
C000190382 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	31%
C000190382 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Total Investments	9.70%
C000190382 [Member] \| Unclassified Sector [Member]
Holdings [Line Items]
Percent of Total Investments	4.60%
C000190382 [Member] \| Utilities Sector [Member]
Holdings [Line Items]
Percent of Total Investments	2.30%
C000227379 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Total Investments	4.20%
C000227379 [Member] \| JOYY Inc ADR [Member]
Holdings [Line Items]
Percent of Total Investments	4.70%
C000227379 [Member] \| Tencent Holdings Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	5%
C000227379 [Member] \| Netflix Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4.70%
C000227379 [Member] \| Spotify Technology S A [Member]
Holdings [Line Items]
Percent of Total Investments	5.30%
C000227379 [Member] \| Flutter Entertainment PLC [Member]
Holdings [Line Items]
Percent of Total Investments	5.10%
C000227379 [Member] \| Walt Disney The Co [Member]
Holdings [Line Items]
Percent of Total Investments	4.30%
C000227379 [Member] \| Sony Group Corp [Member]
Holdings [Line Items]
Percent of Total Investments	4.40%
C000227379 [Member] \| NetEase Inc ADR [Member]
Holdings [Line Items]
Percent of Total Investments	4.40%
C000227379 [Member] \| Electronic Arts Inc [Member]
Holdings [Line Items]
Percent of Total Investments	4.30%
C000227379 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	27.30%
C000227379 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	12.40%
C000227379 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Total Investments	59.30%
C000227379 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.10%
C000227379 [Member] \| Repurchase Agreements [Member]
Holdings [Line Items]
Percent of Total Investments	0.90%
C000227613 [Member] \| Koninklijke Philips N V [Member]
Holdings [Line Items]
Percent of Total Investments	3%
C000227613 [Member] \| WuXi AppTec Co Ltd Class H [Member]
Holdings [Line Items]
Percent of Total Investments	2.90%
C000227613 [Member] \| Fisher And Paykel Healthcare Corp Ltd [Member]
Holdings [Line Items]
Percent of Total Investments	2.60%
C000227613 [Member] \| Globus Medical Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	2.60%
C000227613 [Member] \| Olympus Corp [Member]
Holdings [Line Items]
Percent of Total Investments	2.50%
C000227613 [Member] \| Insulet Corp [Member]
Holdings [Line Items]
Percent of Total Investments	2.50%
C000227613 [Member] \| ResMed Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.40%
C000227613 [Member] \| Hoya Corp [Member]
Holdings [Line Items]
Percent of Total Investments	2.40%
C000227613 [Member] \| Smith And Nephew PLC [Member]
Holdings [Line Items]
Percent of Total Investments	2.40%
C000227613 [Member] \| Intuitive Surgical Inc [Member]
Holdings [Line Items]
Percent of Total Investments	2.40%
C000227613 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Total Investments	99.80%
C000227613 [Member] \| Money Market Funds [Member]
Holdings [Line Items]
Percent of Total Investments	0.20%
C000248907 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Total Investments	7.60%
C000248907 [Member] \| Tesla Inc [Member]
Holdings [Line Items]
Percent of Total Investments	5.10%
C000248907 [Member] \| Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	8.70%
C000248907 [Member] \| Apple Inc [Member]
Holdings [Line Items]
Percent of Total Investments	8.50%
C000248907 [Member] \| Amazon com Inc [Member]
Holdings [Line Items]
Percent of Total Investments	7.40%
C000248907 [Member] \| Microsoft Corp [Member]
Holdings [Line Items]
Percent of Total Investments	7.40%
C000248907 [Member] \| Eli Lilly And Co [Member]
Holdings [Line Items]
Percent of Total Investments	3.80%
C000248907 [Member] \| Caterpillar Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.70%
C000248907 [Member] \| Philip Morris International Inc [Member]
Holdings [Line Items]
Percent of Total Investments	3.50%
C000248907 [Member] \| Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Total Investments	3.50%
C000248907 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Investments	1.30%
C000248907 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Total Investments	3.50%
C000248907 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Total Investments	15.90%
C000248907 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Total Investments	17.50%
C000248907 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Total Investments	9.40%
C000248907 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Total Investments	40.20%
C000248907 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Total Investments	12.20%