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RETIREMENT BENEFITS PLANS - Defined Contribution Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Retirement Benefits [Abstract]
Employer contributions to defined contribution plans	$ 239	$ 220	$ 201

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- Definition

Defined Contribution Plans, Employer Contributions - Amounts charged to expense

+ References

No definition available.

+ Details

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

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- References

No definition available.

+ Details

Name:	us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration