v3.26.1
Shareholder Report
 6 Months Ended
Mar. 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 Mar. 31, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
C000211567 [Member]  
Shareholder Report [Line Items]  
Fund Name Freedom 100 Emerging Markets ETF
Class Name Freedom 100 Emerging Markets ETF
Trading Symbol FRDM
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block]
This semi-annual shareholder report contains important information about the Freedom 100 Emerging Markets ETF (the “Fund”) for the period of October 1, 2025 to March 31, 2026 (the “Period”). You can find additional information about the Fund at https://freedometfs.com/frdm/. You can also request this information by contacting us at (215) 330-4476.
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://freedometfs.com/frdm/. 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://freedometfs.com/frdm/
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
$270.49%
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.49%
Net Assets $ 2,539,851,258
Holdings Count | holding 130
Advisory Fees Paid, Amount $ 5,037,031
Investment Company, Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
 KEY FUND STATISTICS (as of Period End)
Net Assets$2,539,851,258Portfolio Turnover Rate*23%
# of Portfolio Holdings130Advisory Fees Paid$5,037,031
*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]
TOP 10 COUNTRY WEIGHTING
(as a % of Net Assets)
Taiwan22.2%
Chile17.8%
South Korea17.3%
Poland12.2%
Brazil10.0%
Malaysia6.1%
South Africa5.4%
Thailand3.0%
Mexico2.3%
Philippines1.8%