CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 23,196	$ 20,752	$ 19,628
Cost of products sold	14,762	13,865	13,293
Selling and administrative expense	3,795	3,227	3,256
Research and development expense	754	665	616
Interest expense - net	151	144	144
Gain on sale of business	0	24	617
Other expense (income) - net	(93)	(36)	40
Income before income taxes	3,827	2,911	2,896
Income tax expense	604	445	750
Net income	3,223	2,465	2,146
Less net income for noncontrolling interests	(5)	(4)	(2)
Net income attributable to Eaton ordinary shareholders	$ 3,218	$ 2,462	$ 2,144
Net income per share attributable to Eaton ordinary shareholders
Diluted (USD per share)	$ 8.02	$ 6.14	$ 5.34
Basic (USD per share)	$ 8.06	$ 6.17	$ 5.38
Weighted-average number of ordinary shares outstanding
Diluted (in shares)	401.1	400.8	401.6
Basic (in shares)	399.1	398.7	398.7
Cash dividends declared per ordinary share (USD per share)	$ 3.44	$ 3.24	$ 3.04