| Form N-CSR Cover | 6 Months Ended |
| Nov. 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 | Nov. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Nov. 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 | Nov. 30, 2024 |
| C000236355 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Argent Mid Cap ETF |
| Class Name | Argent Mid Cap ETF |
| Trading Symbol | AMID |
| Security Exchange Name | NASDAQ |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Argent Mid Cap ETF (the “Fund”) for the period of June 1, 2024 to November 30, 2024 (the “Period”). |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at https://argentetfs.com. You can also request this information by contacting us at (215) 330-4476. |
| Additional Information Phone Number | (215) 330-4476 |
| Additional Information Website | https://argentetfs.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 $28 0.52% |
| Expenses Paid, Amount | $ 28 |
| Expense Ratio, Percent | 0.52% |
| Net Assets | $ 98,138,353 |
| Holdings Count | holding | 43 |
| Advisory Fees Paid, Amount | $ 191,443 |
| Investment Company, Portfolio Turnover | 4% |
| Holdings [Text Block] | SECTOR WEIGHTING Industrials 29.0% Information Technology 18.9% Financials 17.0% Consumer Discretionary 16.4% Health Care 10.6% Real Estate 4.6% Energy 1.8% Cash & Cash Equivalents 1.7% TOP 10 HOLDINGS Copart, Inc. 3.8% Fair Isaac Corp. 3.7% Cintas Corp. 3.7% Builders FirstSource, Inc. 3.4% Fortinet, Inc. 3.3% Houlihan Lokey, Inc. 3.2% Victory Capital Holdings, Inc. - Class A 3.0% CBIZ, Inc. 3.0% LPL Financial Holdings, Inc. 2.9% DR Horton, Inc. 2.9% |
| Shareholder Report, Holdings (Details) - C000236355 [Member] | Nov. 30, 2024 |
| Copart, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fair Isaac Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Cintas Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Builders FirstSource, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Fortinet, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| Houlihan Lokey, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Victory Capital Holdings, Inc. - Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| CBIZ, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| LPL Financial Holdings, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| DR Horton, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29% |
| Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.90% |
| Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17% |
| Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.40% |
| Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.60% |
| Real Estate Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Cash & Cash Equivalents Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
