| Form N-CSR Cover | 6 Months Ended |
| Jul. 31, 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 | Jul. 31, 2024 |
| Shareholder Report | 6 Months Ended |
| Jul. 31, 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 | Jul. 31, 2024 |
| C000248999 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | StockSnips AI-Powered Sentiment US All Cap ETF |
| Class Name | StockSnips AI-Powered Sentiment US All Cap ETF |
| Trading Symbol | NEWZ |
| Security Exchange Name | NASDAQ |
| 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) 882-9983 |
| Additional Information Website | www.stocksnipsetfs.ai |
| 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 $20 0.65% |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.65% |
| Net Assets | $ 12,613,026 |
| Holdings Count | holding | 31 |
| Advisory Fees Paid, Amount | $ 22,866 |
| Investment Company, Portfolio Turnover | 106% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of Period End) Net Assets $12,613,026 Advisory Fees $22,866 # of Portfolio Holdings 31 Fees Waived and/or Expenses Reimbursed (3,049) Portfolio Turnover Rate* 106% Net Advisory Fees Paid $19,817 *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 Information Technology 30.4% Financials 20.6% Health Care 16.8% Industrials 16.5% Consumer Discretionary 12.5% Consumer Staples 3.0% Cash & Cash Equivalents 0.2% TOP 10 HOLDINGS Badger Meter, Inc. 4.1% NetApp, Inc. 3.8% Manhattan Associates, Inc. 3.7% Brown & Brown, Inc. 3.7% KKR & Co., Inc. 3.7% Universal Health Services, Inc. - Class B 3.6% TJX Cos., Inc. 3.6% Trane Technologies PLC 3.6% NMI Holdings, Inc. 3.6% ServiceNow, Inc. 3.6% |
| Shareholder Report, Holdings (Details) - C000248999 [Member] | Jul. 31, 2024 |
| Badger Meter, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| NetApp, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Manhattan Associates, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Brown & Brown, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| KKR & Co., Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Universal Health Services, Inc. - Class B [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| TJX Cos., Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Trane Technologies PLC [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| NMI Holdings, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| ServiceNow, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Information Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.40% |
| Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.60% |
| Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.80% |
| Industrials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.50% |
| Consumer Discretionary [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Cash & Cash Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
