v3.26.1
Shareholder Report
 6 Months Ended
May 31, 2026
USD ($)
holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name EA Series Trust
Entity Central Index Key 0001592900
Entity Investment Company Type N-1A
Document Period End Date May 31, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
C000255581 [Member]  
Shareholder Report [Line Items]  
Fund Name Efficient Market Portfolio Plus ETF
Class Name Efficient Market Portfolio Plus ETF
Trading Symbol EMPB
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block]
This semi-annual shareholder report contains important information about the Efficient Market Portfolio Plus ETF (the “Fund”) for the period of December 1, 2025 to May 31, 2026 (the “Period”). You can find additional information about the Fund at https://nextgenemp.com/. You can also request this information by contacting us at (215) 330-4476. For information regarding your Fund shares or account, including account balances, transactions, or distributions, please contact your financial intermediary.
Additional Information [Text Block]
Availability of Additional Information
For additional information about the Fund, including its prospectus, financial information, holdings, and proxy information, visit https://nextgenemp.com/. You can also request information by calling (215) 330-4476.
Householding
Householding is an option available to certain investors of the Fund. Householding is a method of delivery, based on the preference of the individual investor, in which a single copy of certain shareholder documents can be delivered to investors who share the same address, even if their accounts are registered under different names. Householding for the Fund is available through certain broker-dealers. If you are interested in enrolling in householding and receiving a single copy of prospectuses and other shareholder documents or you are currently enrolled in householding and wish to change your householding status, please contact your broker-dealer.
Additional Information Phone Number (215) 330-4476
Additional Information Website https://nextgenemp.com/
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE PERIOD?
(based on a hypothetical $10,000 investment)
COST OF $10,000 INVESTMENT
COST PAID AS A PERCENTAGE OF $10,000 INVESTMENT
$841.58%
Expenses Paid, Amount $ 84
Expense Ratio, Percent 1.58%
Net Assets $ 20,962,527
Holdings Count | holding 19
Advisory Fees Paid, Amount $ 88,573
Investment Company, Portfolio Turnover 203.00%
Additional Fund Statistics [Text Block]
 KEY FUND STATISTICS (as of Period End)
Net Assets$20,962,527Portfolio Turnover Rate*203%
# of Portfolio Holdings19Fund Advisory Fees $88,573
*Portfolio turnover is not annualized and is calculated without regard to short-term securities having a maturity of less than one year. Excludes impact of in-kind transactions.
Holdings [Text Block]
INVESTMENT WEIGHTING - LONG
(as a % of Net Assets)
U.S. Equity ETFs70.1%
Global Equity ETFs20.4%
U.S. Treasury ETFs9.3%
Cash and Cash Equivalents0.2%










TOP LONG HOLDINGS
(as a % of Net Assets)
Invesco Solar ETF11.9%
VanEck Semiconductor ETF11.1%
Invesco QQQ Trust Series 110.4%
ARK Innovation ETF10.2%
iShares US Telecommunications ETF9.9%
State Street Health Care Select Sector
SPDR ETF		9.6%
State Street Consumer Discretionary Select Sector SPDR ETF9.6%
ProShares UltraShort 20+ Year Treasury9.3%
State Street Financial Select Sector SPDR ETF9.3%
Global X Uranium ETF8.5%