EATON SHAREHOLDERS' EQUITY - Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pre-tax
Other Comprehensive Income (Loss), before Tax, Total	$ (462)	$ (17)	$ (205)
After-tax
Amounts reclassified from Accumulated other comprehensive loss (income)	14
Other Comprehensive Income (Loss), Net of Tax, Total	(436)	39	(313)
Currency translation and related hedging instruments
Pre-tax
Other comprehensive income (loss) arising during the year, before reclassifications, pre-tax	(358)	252	(632)
Amortization of gains on net investment hedges (amount excluded from effectiveness testing) reclassified to earnings, pre-tax	(15)	(12)	0
Other Comprehensive Income (Loss), before Tax, Total	(373)	241	(632)
After-tax
Other comprehensive income (loss) arising during the year, before reclassifications, after-tax	(355)	247	(647)
Amortization of gains on net investment hedges (amount excluded from effectiveness testing) reclassified to earnings, after-tax	(15)	(12)	0
Other Comprehensive Income (Loss), Net of Tax, Total	(370)	235	(647)
Prior service credit (cost) arising during the year
Pre-tax
Other comprehensive income (loss) arising during the year, before reclassifications, pre-tax	1	0	0
After-tax
Other comprehensive income (loss) arising during the year, before reclassifications, after-tax	1	0	0
Pensions and other postretirement benefits
Pre-tax
Reclassification from AOCI, pre-tax	55	32	116
Other Comprehensive Income (Loss), before Tax, Total	(67)	(243)	226
After-tax
Amounts reclassified from Accumulated other comprehensive loss (income)	41	24	89
Other Comprehensive Income (Loss), Net of Tax, Total	(49)	(185)	175
Net gain (loss) arising during the year
Pre-tax
Other comprehensive income (loss) arising during the year, before reclassifications, pre-tax	(141)	(246)	45
After-tax
Other comprehensive income (loss) arising during the year, before reclassifications, after-tax	(104)	(189)	31
Currency translation
Pre-tax
Other comprehensive income (loss) arising during the year, before reclassifications, pre-tax	18	(29)	65
After-tax
Other comprehensive income (loss) arising during the year, before reclassifications, after-tax	13	(21)	56
Cash flow hedges
Pre-tax
Other comprehensive income (loss) arising during the year, before reclassifications, pre-tax	(6)	63	210
Reclassification from AOCI, pre-tax	(16)	(78)	(9)
Other Comprehensive Income (Loss), before Tax, Total	(22)	(14)	201
After-tax
Other comprehensive income (loss) arising during the year, before reclassifications, after-tax	(5)	50	166
Amounts reclassified from Accumulated other comprehensive loss (income)	(12)	(61)	(7)
Other Comprehensive Income (Loss), Net of Tax, Total	$ (17)	$ (11)	$ 159