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Cover Page - USD ($)
shares in Millions, $ in Billions
 12 Months Ended
Dec. 31, 2025
Jan. 31, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Current Fiscal Year End Date --12-31    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 000-54863    
Entity Registrant Name EATON CORPORATION plc    
Entity Incorporation, State or Country Code L2    
Entity Tax Identification Number 98-1059235    
Entity Address, Address Line One Eaton House,    
Entity Address, Address Line Two 30 Pembroke Road,    
Entity Address, City or Town Dublin 4,    
Entity Address, Country IE    
Entity Address, Postal Zip Code D04 Y0C2    
City Area Code +353    
Local Phone Number 1637 2900    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 139.0
Entity Common Stock, Shares Outstanding   387.9  
Documents Incorporated by Reference
Portions of the Company's Proxy Statement for the 2026 Annual General Meeting of Shareholders (the Proxy Statement), to be filed with the Securities and Exchange Commission within 120 days of the year ended December 31, 2025, are incorporated by reference into Part III.
    
Entity Central Index Key 0001551182    
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
4.450% Senior Notes due 2030      
Document Information [Line Items]      
Title of 12(b) Security 4.450% Senior Notes due 2030    
Trading Symbol ETN/30    
Security Exchange Name NYSE    
3.625% Senior Notes due 2035      
Document Information [Line Items]      
Title of 12(b) Security 3.625% Senior Notes due 2035    
Trading Symbol ETN/35    
Security Exchange Name NYSE    
Ordinary shares      
Document Information [Line Items]      
Title of 12(b) Security Ordinary shares ($0.01 par value)    
Trading Symbol ETN    
Security Exchange Name NYSE