CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 639	$ 533
Less net income for noncontrolling interests	(1)	(1)
Net income attributable to Eaton ordinary shareholders	638	532
Other comprehensive income (loss), net of tax
Currency translation and related hedging instruments	119	(62)
Pensions and other postretirement benefits	(2)	77
Cash flow hedges	15	101
Total comprehensive income (loss)	132	116
Total comprehensive income attributable to Eaton ordinary shareholders	$ 770	$ 648