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Shareholder Report
6 Months Ended
Aug. 31, 2024
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name J.P. Morgan Exchange-Traded Fund Trust
Entity Central Index Key 0001485894
Document Period End Date Aug. 31, 2024
C000240904 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders U.S. TIPS 0-5 Year ETF
Class Name JPMorgan BetaBuilders U.S. TIPS 0-5 Year ETF
Trading Symbol BBIP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders U.S. TIPS 0-5 Year ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders U.S. TIPS 0-5 Year ETF $4 0.07%
*
This charge is annualized.
Expenses Paid, Amount $ 4
Expense Ratio, Percent 0.07% [1]
Net Assets $ 1,466,751
Holdings Count | Holding 28
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $1,466,751
Total number of portfolio holdings $28
Portfolio turnover rate $17 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000241198 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Sustainable Municipal Income ETF
Class Name JPMorgan Sustainable Municipal Income ETF
Trading Symbol JMSI
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Sustainable Municipal Income ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Sustainable Municipal Income ETF $8 0.17%
*
This charge is annualized.
Expenses Paid, Amount $ 8
Expense Ratio, Percent 0.17% [2]
Net Assets $ 218,780,640
Holdings Count | Holding 168
Investment Company Portfolio Turnover 41.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $218,780,640
Total number of portfolio holdings $168
Portfolio turnover rate $41 %
Holdings [Text Block]
CREDIT QUALITY ALLOCATIONS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000172241 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan International Bond Opportunities ETF
Class Name JPMorgan International Bond Opportunities ETF
Trading Symbol JPIB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan International Bond Opportunities ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan International Bond Opportunities ETF $26 0.50%
*
This charge is annualized.
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.50% [3]
Net Assets $ 474,891,216
Holdings Count | Holding 825
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $474,891,216
Total number of portfolio holdings $825
Portfolio turnover rate $25 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000244901 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Active Bond ETF
Class Name JPMorgan Active Bond ETF
Trading Symbol JBND
Security Exchange Name NYSE
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Active Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Active Bond ETF $14 0.27%
*
This charge is annualized.
Expenses Paid, Amount $ 14
Expense Ratio, Percent 0.27% [4]
Net Assets $ 543,392,775
Holdings Count | Holding 776
Investment Company Portfolio Turnover 52.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $543,392,775
Total number of portfolio holdings $776
Portfolio turnover rate $52 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000171065 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders USD High Yield Corporate Bond ETF
Class Name JPMorgan BetaBuilders USD High Yield Corporate Bond ETF
Trading Symbol BBHY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders USD High Yield Corporate Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders USD High Yield Corporate Bond ETF $8 0.15%
*
This charge is annualized.
Expenses Paid, Amount $ 8
Expense Ratio, Percent 0.15% [5]
Net Assets $ 1,290,922,572
Holdings Count | Holding 1,453
Investment Company Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $1,290,922,572
Total number of portfolio holdings $1,453
Portfolio turnover rate $21 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
(a)
Amount rounds to less than 0.1%.
C000196949 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan USD Emerging Markets Sovereign Bond ETF
Class Name JPMorgan USD Emerging Markets Sovereign Bond ETF
Trading Symbol JPMB
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan USD Emerging Markets Sovereign Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan USD Emerging Markets Sovereign Bond ETF $20 0.39%
*
This charge is annualized.
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.39% [6]
Net Assets $ 635,948,461
Holdings Count | Holding 422
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $635,948,461
Total number of portfolio holdings $422
Portfolio turnover rate $11 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - COUNTRY
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000205215 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Municipal ETF
Class Name JPMorgan Municipal ETF
Trading Symbol JMUB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Municipal ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Municipal ETF $9 0.17%
*
This charge is annualized.
Expenses Paid, Amount $ 9
Expense Ratio, Percent 0.17% [7]
Net Assets $ 1,677,586,329
Holdings Count | Holding 891
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $1,677,586,329
Total number of portfolio holdings $891
Portfolio turnover rate $24 %
Holdings [Text Block]
CREDIT QUALITY ALLOCATIONS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
(a)
Amount rounds to less than 0.1%.
C000231439 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Realty Income ETF
Class Name JPMorgan Realty Income ETF
Trading Symbol JPRE
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Realty Income ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Realty Income ETF $27 0.50%
*
This charge is annualized.
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.50% [8]
Net Assets $ 387,539,138
Holdings Count | Holding 30
Investment Company Portfolio Turnover 39.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $387,539,138
Total number of portfolio holdings $30
Portfolio turnover rate $39 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - SECTOR
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000240903 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders U.S. Treasury Bond 20+ Year ETF
Class Name JPMorgan BetaBuilders U.S. Treasury Bond 20+ Year ETF
Trading Symbol BBLB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders U.S. Treasury Bond 20+ Year ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders U.S. Treasury Bond 20+ Year ETF $4 0.07%
*
This charge is annualized.
Expenses Paid, Amount $ 4
Expense Ratio, Percent 0.07% [9]
Net Assets $ 25,031,494
Holdings Count | Holding 41
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $25,031,494
Total number of portfolio holdings $41
Portfolio turnover rate $11 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000241197 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Limited Duration Bond ETF
Class Name JPMorgan Limited Duration Bond ETF
Trading Symbol JPLD
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Limited Duration Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Limited Duration Bond ETF $12 0.23%
*
This charge is annualized.
Expenses Paid, Amount $ 12
Expense Ratio, Percent 0.23% [10]
Net Assets $ 757,842,643
Holdings Count | Holding 325
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $757,842,643
Total number of portfolio holdings $325
Portfolio turnover rate $16 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000206282 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders U.S. Aggregate Bond ETF
Class Name JPMorgan BetaBuilders U.S. Aggregate Bond ETF
Trading Symbol BBAG
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders U.S. Aggregate Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders U.S. Aggregate Bond ETF $1 0.03%
*
This charge is annualized.
Expenses Paid, Amount $ 1
Expense Ratio, Percent 0.03% [11]
Net Assets $ 1,421,896,420
Holdings Count | Holding 2,319
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $1,421,896,420
Total number of portfolio holdings $2,319
Portfolio turnover rate $51 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000229632 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Income ETF
Class Name JPMorgan Income ETF
Trading Symbol JPIE
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Income ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Income ETF $20 0.39%
*
This charge is annualized.
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.39% [12]
Net Assets $ 1,879,997,257
Holdings Count | Holding 1,548
Investment Company Portfolio Turnover 80.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $1,879,997,257
Total number of portfolio holdings $1,548
Portfolio turnover rate $80 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000240901 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF
Class Name JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF
Trading Symbol BBSB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF $4 0.07%
*
This charge is annualized.
Expenses Paid, Amount $ 4
Expense Ratio, Percent 0.07% [13]
Net Assets $ 2,973,627
Holdings Count | Holding 84
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $2,973,627
Total number of portfolio holdings $84
Portfolio turnover rate $31 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000205212 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Core Plus Bond ETF
Class Name JPMorgan Core Plus Bond ETF
Trading Symbol JCPB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Core Plus Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Core Plus Bond ETF $20 0.38%
*
This charge is annualized.
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.38% [14]
Net Assets $ 3,855,288,381
Holdings Count | Holding 2,420
Investment Company Portfolio Turnover 54.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $3,855,288,381
Total number of portfolio holdings $2,420
Portfolio turnover rate $54 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000206281 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders USD Investment Grade Corporate Bond ETF
Class Name JPMorgan BetaBuilders USD Investment Grade Corporate Bond ETF
Trading Symbol BBCB
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders USD Investment Grade Corporate Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders USD Investment Grade Corporate Bond ETF $5 0.09%
*
This charge is annualized.
Expenses Paid, Amount $ 5
Expense Ratio, Percent 0.09% [15]
Net Assets $ 46,286,439
Holdings Count | Holding 987
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $46,286,439
Total number of portfolio holdings $987
Portfolio turnover rate $7 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - SECTOR
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000225677 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Short Duration Core Plus ETF
Class Name JPMorgan Short Duration Core Plus ETF
Trading Symbol JSCP
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Short Duration Core Plus ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Short Duration Core Plus ETF $17 0.33%
*
This charge is annualized.
Expenses Paid, Amount $ 17
Expense Ratio, Percent 0.33% [16]
Net Assets $ 443,618,310
Holdings Count | Holding 868
Investment Company Portfolio Turnover 34.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $443,618,310
Total number of portfolio holdings $868
Portfolio turnover rate $34 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
(a)
Amount rounds to less than 0.1%.
C000172198 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Ultra-Short Income ETF
Class Name JPMorgan Ultra-Short Income ETF
Trading Symbol JPST
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Ultra-Short Income ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Ultra-Short Income ETF $9 0.18%
*
This charge is annualized.
Expenses Paid, Amount $ 9
Expense Ratio, Percent 0.18% [17]
Net Assets $ 25,376,225,121
Holdings Count | Holding 685
Investment Company Portfolio Turnover 32.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $25,376,225,121
Total number of portfolio holdings $685
Portfolio turnover rate $32 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000200807 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders MSCI US REIT ETF
Class Name JPMorgan BetaBuilders MSCI US REIT ETF
Trading Symbol BBRE
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders MSCI US REIT ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders MSCI US REIT ETF $6 0.11%
*
This charge is annualized.
Expenses Paid, Amount $ 6
Expense Ratio, Percent 0.11% [18]
Net Assets $ 871,643,752
Holdings Count | Holding 122
Investment Company Portfolio Turnover 2.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $871,643,752
Total number of portfolio holdings $122
Portfolio turnover rate $2 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - SECTOR
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000205216 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Ultra-Short Municipal Income ETF
Class Name JPMorgan Ultra-Short Municipal Income ETF
Trading Symbol JMST
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Ultra-Short Municipal Income ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Ultra-Short Municipal Income ETF $9 0.17%
*
This charge is annualized.
Expenses Paid, Amount $ 9
Expense Ratio, Percent 0.17% [19]
Net Assets $ 2,773,935,102
Holdings Count | Holding 2,462
Investment Company Portfolio Turnover 36.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $2,773,935,102
Total number of portfolio holdings $2,462
Portfolio turnover rate $36 %
Holdings [Text Block]
CREDIT QUALITY ALLOCATIONS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000209991 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders 1-5 Year U.S. Aggregate Bond ETF
Class Name JPMorgan BetaBuilders 1-5 Year U.S. Aggregate Bond ETF
Trading Symbol BBSA
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders 1-5 Year U.S. Aggregate Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders 1-5 Year U.S. Aggregate Bond ETF $3 0.05%
*
This charge is annualized.
Expenses Paid, Amount $ 3
Expense Ratio, Percent 0.05% [20]
Net Assets $ 14,522,444
Holdings Count | Holding 410
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $14,522,444
Total number of portfolio holdings $410
Portfolio turnover rate $23 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000231436 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan Inflation Managed Bond ETF
Class Name JPMorgan Inflation Managed Bond ETF
Trading Symbol JCPI
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan Inflation Managed Bond ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan Inflation Managed Bond ETF $13 0.24%
*
This charge is annualized.
Expenses Paid, Amount $ 13
Expense Ratio, Percent 0.24% [21]
Net Assets $ 669,828,714
Holdings Count | Holding 788
Investment Company Portfolio Turnover 49.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $669,828,714
Total number of portfolio holdings $788
Portfolio turnover rate $49 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000240902 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan BetaBuilders U.S. Treasury Bond 3-10 Year ETF
Class Name JPMorgan BetaBuilders U.S. Treasury Bond 3-10 Year ETF
Trading Symbol BBIB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan BetaBuilders U.S. Treasury Bond 3-10 Year ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan BetaBuilders U.S. Treasury Bond 3-10 Year ETF $4 0.07%
*
This charge is annualized.
Expenses Paid, Amount $ 4
Expense Ratio, Percent 0.07% [22]
Net Assets $ 6,202,183
Holdings Count | Holding 87
Investment Company Portfolio Turnover 13.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $6,202,183
Total number of portfolio holdings $87
Portfolio turnover rate $13 %
Holdings [Text Block]
PORTFOLIO COMPOSITION - ASSET CLASS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
C000241196 [Member]  
Shareholder Report [Line Items]  
Fund Name JPMorgan High Yield Municipal ETF
Class Name JPMorgan High Yield Municipal ETF
Trading Symbol JMHI
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the JPMorgan High Yield Municipal ETF for the period of March 1, 2024 to August 31, 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.jpmorganfunds.com/funddocuments. You can also request this information by contacting us at 1-844-457-6383 or by sending an e-mail request to jpm.xf@jpmorgan.com or by asking any financial intermediary that offers shares of the Fund.
Additional Information Phone Number 1-844-457-6383
Additional Information Email jpm.xf@jpmorgan.com
Additional Information Website www.jpmorganfunds.com/funddocuments
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
of a $10,000 investment*
JPMorgan High Yield Municipal ETF $17 0.34%
*
This charge is annualized.
Expenses Paid, Amount $ 17
Expense Ratio, Percent 0.34% [23]
Net Assets $ 174,334,211
Holdings Count | Holding 138
Investment Company Portfolio Turnover 45.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS
Fund net assets $174,334,211
Total number of portfolio holdings $138
Portfolio turnover rate $45 %
Holdings [Text Block]
CREDIT QUALITY ALLOCATIONS
(% of Total Investments)
Graphical Representation - Allocation 1 Chart
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[23] This charge is annualized.