CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net sales	$ 20,752	$ 19,628	$ 17,858
Cost of products sold	13,865	13,293	12,408
Selling and administrative expense	3,227	3,256	3,075
Research and development expense	665	616	551
Interest expense - net	144	144	149
Gain on sale of businesses	24	617	221
Other expense (income) - net	(36)	40	150
Income before income taxes	2,911	2,896	1,746
Income tax expense	445	750	331
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
Net income per share attributable to Eaton ordinary shareholders
Diluted (USD per share)	$ 6.14	$ 5.34	$ 3.49
Basic (USD per share)	$ 6.17	$ 5.38	$ 3.51
Weighted-average number of ordinary shares outstanding
Diluted (shares)	400.8	401.6	404.0
Basic (shares)	398.7	398.7	402.2
Cash dividends declared per ordinary share (USD per share)	$ 3.24	$ 3.04	$ 2.92