v3.26.1
Shareholder Report
 6 Months Ended
Jan. 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 Jan. 31, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
C000263958 [Member]  
Shareholder Report [Line Items]  
Fund Name City Different Investments Global Equity ETF
Class Name City Different Investments Global Equity ETF
Trading Symbol CDIG
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block]
This semi-annual shareholder report contains important information about the City Different Investments Global Equity ETF (the “Fund”) for the period of September 16, 2025 to January 31, 2026 (the “Period”). You can find additional information about the Fund at https://cdifunds.com/cdig/. 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://cdifunds.com/cdig/. 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://cdifunds.com/cdig/
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
$290.75%
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.75%
Net Assets $ 36,162,225
Holdings Count | holding 24
Advisory Fees Paid, Amount $ 68,381
Investment Company, Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
 KEY FUND STATISTICS (as of Period End)
Net Assets$36,162,225Portfolio Turnover Rate*31%
# of Portfolio Holdings24Advisory Fees Paid$68,381
*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]

SECTOR WEIGHTING
(as a % of Net Assets)
Consumer Discretionary23.3%
Energy21.4%
Materials12.4%
Industrials9.0%
Financials8.8%
Communication Services8.1%
Utilities8.0%
Cash and Cash Equivalents9.0%




TOP 10 HOLDINGS
(as a % of Net Assets)
Tidewater, Inc.10.5%
IHS Holding Ltd.8.1%
Talen Energy Corp.8.0%
MercadoLibre, Inc.5.2%
Warrior Met Coal, Inc. 5.0%
Carvana Co.5.0%
Lloyds Banking Group PLC - ADR 4.5%
Alpha Metallurgical Resources, Inc.4.4%
Amazon.com, Inc.4.2%
Valaris Ltd.4.2%