| Shareholder Report | 12 Months Ended |
| Jul. 31, 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 | Jul. 31, 2024 |
| C000244815 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | TBG Dividend Focus ETF |
| Class Name | TBG Dividend Focus ETF |
| Trading Symbol | TBG |
| Security Exchange Name | NYSEArca |
| 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) 882-9983 |
| Additional Information Website | www.tbgdividendgrowth.com |
| 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 $48 0.59% |
| Expenses Paid, Amount | $ 48 |
| Expense Ratio, Percent | 0.59% |
| Factors Affecting Performance [Text Block] | WHAT FACTORS INFLUENCED PERFORMANCE FOR THE PERIOD? The Fund returned 23.30% (NAV) for the Period vs 27.87% for the S&P 500 Index for the Period. The Fund’s concentration in high-quality, high-free-cash-flow businesses with growing dividends that are trading at a discount to current market valuation multiples contributed to the Fund's performance during the Period. Of note, 31 of the Fund’s 33 holdings increased their dividends during the Period, while the other two maintained dividends at their current level. Through bottom-up, fundamental, analysis the Fund strives to identify well-run companies that, through strong balance sheets & healthy earnings, demonstrate a commitment to both growing their dividends and reinvesting in themselves to maintain competitive market positioning. |
| 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) TBG Dividend Focus ETF - NAV 23.30% TBG Dividend Focus ETF - Market 23.55% S&P 500 Index 27.87% 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.tbgdividendgrowth.com for more recent performance information. |
| Performance Inception Date | Nov. 06, 2023 |
| Net Assets | $ 67,000,213 |
| Holdings Count | holding | 34 |
| Advisory Fees Paid, Amount | $ 233,524 |
| Investment Company, Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of Period End) Net Assets $67,000,213 Portfolio Turnover Rate* 5% # of Portfolio Holdings 34 Advisory Fees Paid $233,524 *Excludes impact of in-kind transactions. |
| Holdings [Text Block] | SECTOR WEIGHTING Financials 16.6% Consumer Staples 14.1% Energy 13.7% Information Technology 12.1% Health Care 10.9% Real Estate 6.8% Industrials 6.7% Utilities 4.0% Communication Services 3.7% Materials 3.3% Consumer Discretionary 2.7% Cash & Cash Equivalents 5.4% TOP 10 HOLDINGS International Business Machines Corp. 4.2% Simon Property Group, Inc. 4.2% Energy Transfer LP 4.1% American Electric Power Co., Inc. 4.0% Gilead Sciences, Inc. 3.8% Enterprise Products Partners LP 3.8% Truist Financial Corp. 3.7% Verizon Communications, Inc. 3.7% Cisco Systems, Inc. 3.7% Chevron Corp. 3.6% |
