v3.26.1
Form N-CSR Cover
 6 Months Ended 12 Months Ended
Nov. 30, 2025
May 31, 2026
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   May 31, 2026
Annual or Semi-Annual Statement [Text Block]
This annual shareholder report contains important information about the ARS Core Equity Portfolio ETF (the “Fund”) for the period of November 20, 2025 to May 31, 2026 (the “Period”). You can find additional information about the Fund at https://arsinvestetfs.com/acep/. You can also request this information by contacting us at (215) 330-4476. For information regarding your Fund shares or account, including account balances, transactions, or distributions, please contact your financial intermediary.
  
Shareholder Report Annual or Semi-Annual   annual shareholder report