CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 2,465	$ 2,146	$ 1,415
Less net income for noncontrolling interests	(4)	(2)	(5)
Net income attributable to Eaton ordinary shareholders	2,462	2,144	1,410
Other comprehensive income (loss), net of tax
Currency translation and related hedging instruments	(647)	30	201
Pensions and other postretirement benefits	175	495	(73)
Cash flow hedges	159	37	(33)
Other comprehensive income (loss) attributable to Eaton ordinary shareholders	(313)	562	95
Total comprehensive income attributable to Eaton ordinary shareholders	$ 2,149	$ 2,706	$ 1,505