| Shareholder Report | 12 Months Ended |
| Sep. 30, 2024 USD ($) holding |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| 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 |
| C000246381 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Honeytree U.S. Equity ETF |
| Class Name | Honeytree U.S. Equity ETF |
| Trading Symbol | BEEZ |
| Security Exchange Name | NASDAQ |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the TBG Dividend Focus ETF (the “Fund”) for the period of November 6, 2023 to July 31, 2024 (the “Period”). |
| Shareholder Report Annual or Semi-Annual | annual shareholder report |
| Additional Information Phone Number | (215) 330-4476 |
| Additional Information Website | www.honeytreeinvestetfs.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 $82 0.64% |
| Expenses Paid, Amount | $ 82 |
| Expense Ratio, Percent | 0.64% |
| Factors Affecting Performance [Text Block] | WHAT FACTORS INFLUENCED PERFORMANCE FOR THE PERIOD? The Fund invests in U.S. equity securities. Security selection led to underperformance relative to the benchmark, as minimal exposure to certain mega-cap technology stocks, where much of the broader market’s gains were concentrated, detracted from performance. |
| Line Graph [Table Text Block] | PERFORMANCE OF A HYPOTHETICAL $10,000 INVESTMENT |
| Average Annual Return [Table Text Block] | CUMULATIVE TOTAL RETURNS Since Inception (11/6/2023) Honeytree U.S. Equity ETF - NAV 31.65% Solactive GBS United States 500 Index 34.04% The Fund’s past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. Visit www.honeytreeinvestetfs.com for more recent performance information. |
| Performance Inception Date | Nov. 06, 2023 |
| Net Assets | $ 7,488,958 |
| Holdings Count | holding | 26 |
| Advisory Fees Paid, Amount | $ 27,543 |
| Investment Company, Portfolio Turnover | 3% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of Period End) Net Assets $7,488,958 Portfolio Turnover Rate* 3% # of Portfolio Holdings 26 Advisory Fees Paid $27,543 *Excludes impact of in-kind transactions. |
| Holdings [Text Block] | SECTOR WEIGHTING Information Technology 24.0% Industrials 20.2% Health Care 15.4% Materials 11.9% Consumer Discretionary 8.4% Financials 7.8% Real Estate 7.8% Consumer Staples 3.9% Cash & Cash Equivalents 0.6% TOP 10 HOLDINGS Universal Display Corp. 4.6% Home Depot, Inc. 4.3% Masco Corp. 4.2% ServiceNow, Inc. 4.1% Equinix, Inc. 4.1% Tractor Supply Co. 4.1% Accenture PLC - Class A 4.1% Watts Water Technologies, Inc. - Class A 4.1% AptarGroup, Inc. 4.0% Sherwin-Williams Co. 4.0% |
