RETIREMENT BENEFITS PLANS - Defined Contribution Plans (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Retirement Benefits [Abstract]
Employer contributions to defined contribution plans	$ 220	$ 201	$ 182

Defined Contribution Plans, Employer Contributions - Amounts charged to expense

No definition available.

Name:	etn_DefinedContributionPlansEmployerContributions
Namespace Prefix:	etn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration