Cover Page - USD ($) shares in Millions, $ in Billions	12 Months Ended
	Dec. 31, 2022	Jan. 31, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2022
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
Title of 12(b) Security	Ordinary shares ($0.01 par value)
Trading Symbol	ETN
Security Exchange Name	NYSE
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
Entity Shell Company	false
Entity Public Float			$ 50.2
Entity Ordinary Shares, Shares Outstanding		398.0
Documents Incorporated by Reference	Portions of the Proxy Statement for the 2023 annual shareholders meeting are incorporated by reference into Part III.
Entity Central Index Key	0001551182
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Document Annual Report	true
Document Transition Report	false