CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Net sales	$ 5,483	$ 4,843
Cost of products sold	3,599	3,269
Selling and administrative expense	904	790
Research and development expense	179	165
Interest expense - net	50	32
Gain on sale of business	0	24
Other income - net	(11)	(8)
Income before income taxes	762	619
Income tax expense	123	86
Net income	639	533
Less net income for noncontrolling interests	(1)	(1)
Net income attributable to Eaton ordinary shareholders	$ 638	$ 532
Net income per share attributable to Eaton ordinary shareholders
Diluted (USD per share)	$ 1.59	$ 1.33
Basic (USD per share)	$ 1.60	$ 1.33
Weighted-average number of ordinary shares outstanding
Diluted (shares)	400.5	401.8
Basic (shares)	398.5	399.2
Cash dividends declared per ordinary share (USD per share)	$ 0.86	$ 0.81