| Shareholder Report | 12 Months Ended | 36 Months Ended |
| Nov. 30, 2024 USD ($) holding | Nov. 30, 2024 USD ($) 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 | Nov. 30, 2024 | |
| C000231252 [Member] | | |
| Shareholder Report [Line Items] | | |
| Fund Name | Guru Favorite Stocks ETF | |
| Class Name | Guru Favorite Stocks ETF | |
| Trading Symbol | GFGF | |
| Security Exchange Name | NASDAQ | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Guru Favorite Stocks ETF (the “Fund”) for the period of December 1, 2023 to November 30, 2024 (the “Period”). | |
| Shareholder Report Annual or Semi-Annual | annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://gurufocusetf.com/gfgf/. You can also request this information by contacting us at (215) 330-4476. | |
| Additional Information Phone Number | (215) 330-4476 | |
| Additional Information Website | https://gurufocusetf.com/gfgf/ | |
| 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 $77 0.65% | |
| Expenses Paid, Amount | $ 77 | |
| Expense Ratio, Percent | 0.65% | |
| Factors Affecting Performance [Text Block] | WHAT FACTORS INFLUENCED PERFORMANCE FOR THE PERIOD? The Fund seeks to invest in high-quality stocks at reasonable prices. For the Period, the Fund returned 36.78% vs. 33.94% for the Solactive GBS United Stated 1000 Index and 33.89% for the S&P 500 Index. The Fund’s performance was driven by a combination of favorable market conditions and stock selection, particularly in the financials and information technology sectors. The overall U.S. equity market reacted positively to strong corporate earnings, resilient economic conditions, and Federal Reserve policy. Within this environment, larger-cap stocks contributed to overall market gains. Companies in the financials sector benefited from elevated interest rates and stable economic conditions. Companies in the information technology sector, particularly those in the semiconductor industry, benefited from increased demand due to the rapid advancements in artificial intelligence (AI) technology, demand for specialized chips, and increased computing power. | |
| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not a good predictor of how the Fund will perform in the future. | |
| Line Graph [Table Text Block] | PERFORMANCE OF A HYPOTHETICAL $10,000 INVESTMENT | |
| Average Annual Return [Table Text Block] | AVERAGE ANNUAL TOTAL RETURNS One Year Since Inception (12/15/2021) Guru Favorite Stocks ETF - NAV 36.78% 9.28% Solactive GBS United States 1000 Index 33.94% 9.43% 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 https://gurufocusetf.com/gfgf/ for more recent performance information. | |
| Performance Inception Date | | Dec. 15, 2021 |
| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. | |
| Updated Performance Information Location [Text Block] | Visit https://gurufocusetf.com/gfgf/ for more recent performance information. | |
| Net Assets | $ 36,220,502 | $ 36,220,502 |
| Holdings Count | holding | 28 | 28 |
| Advisory Fees Paid, Amount | $ 214,406 | |
| Investment Company, Portfolio Turnover | 33% | |
| Holdings [Text Block] | SECTOR WEIGHTING Financials 40.2% Information Technology 22.8% Health Care 15.4% Communication Services 10.2% Industrials 5.3% Consumer Discretionary 3.1% Consumer Staples 2.0% Cash & Cash Equivalents 1.0% TOP 10 HOLDINGS Microsoft Corp. 8.9% Nvidia Corp. 6.6% Alphabet, Inc. - Class A 6.0% Brown & Brown, Inc. 5.2% Meta Platforms, Inc. - Class A 4.2% KKR & Co., Inc. 4.1% Berkshire Hathaway, Inc. - Class B 4.1% Apollo Global Management, Inc. 4.1% Intuitive Surgical, Inc. 3.9% Visa, Inc. - Class A 3.8% | |
