| Form N-CSR Cover | 6 Months Ended |
| Sep. 30, 2024 | |
| 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 | Sep. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Sep. 30, 2024 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 | Sep. 30, 2024 |
| C000241248 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Euclidean Fundamental Value ETF |
| Class Name | Euclidean Fundamental Value ETF |
| Trading Symbol | ECML |
| Security Exchange Name | NYSEArca |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the StockSnips AI-Powered Sentiment US All Cap ETF (the “Fund”) for the period of April 11, 2024 to July 31, 2024 (the “Period”). |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information Phone Number | (215) 330-4476 |
| Additional Information Website | www.euclideanetf.com |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE PERIOD? COST OF $10,000 INVESTMENT COST PAID AS A PERCENTAGE OF $10,000 INVESTMENT $48 0.95% |
| Expenses Paid, Amount | $ 48 |
| Expense Ratio, Percent | 0.95% |
| Net Assets | $ 183,451,335 |
| Holdings Count | holding | 68 |
| Advisory Fees Paid, Amount | $ 847,749 |
| Investment Company, Portfolio Turnover | 10% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of Period End) Net Assets $183,451,335 Advisory Fees $847,749 # of Portfolio Holdings 68 Portfolio Turnover Rate* 10% *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 Consumer Discretionary 30.9% Energy 20.6% Industrials 20.1% Consumer Staples 10.8% Materials 8.9% Information Technology 4.1% Communication Services 1.7% Health Care 1.3% Real Estate 1.3% Cash & Cash Equivalents 0.3% TOP 10 HOLDINGS Green Brick Partners, Inc. 2.2% Toll Brothers, Inc. 2.0% PulteGroup, Inc. 1.9% NVR, Inc. 1.9% Mueller Industries, Inc. 1.9% KB Home 1.9% Allison Transmission Holdings, Inc. 1.9% Heidrick & Struggles International, Inc. 1.9% Taylor Morrison Home Corp. 1.8% Group 1 Automotive, Inc. 1.8% |
| Shareholder Report, Holdings (Details) - C000241248 [Member] | Sep. 30, 2024 |
| Green Brick Partners, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Toll Brothers, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| PulteGroup, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| NVR, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Mueller Industries, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| KB Home [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Allison Transmission Holdings, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Heidrick & Struggles International, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Taylor Morrison Home Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Group 1 Automotive, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Consumer Discretionary [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.90% |
| Energy Service [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.60% |
| Industrials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.10% |
| Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.80% |
| Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.90% |
| Information Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Communication Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Real Estate [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Cash & Cash Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
