EATON SHAREHOLDERS' EQUITY - Narrative (Details)			12 Months Ended
	Feb. 27, 2025 USD ($) $ / shares	Feb. 23, 2022 USD ($)	Dec. 31, 2024 USD ($) employee $ / shares shares	Dec. 31, 2023 € / shares $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2024 € / shares	Dec. 31, 2024 USD ($) holder $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares
Subsequent Event [Line Items]
Ordinary shares authorized (shares)							750,000,000	750,000,000
Ordinary share par value (USD per share) | $ / shares							$ 0.01	$ 0.01
Ordinary shares issued (in shares)							392,900,000	399,400,000
Ordinary shares outstanding (in shares)							392,900,000	399,400,000
Deferred ordinary shares authorized (in shares)							40,000	40,000
Deferred ordinary shares, shares issued and outstanding (in shares)							40,000	40,000
Deferred ordinary shares par value (EUR per share) | € / shares				€ 1.00		€ 1.00
Number of holders of record of Eaton ordinary shares | holder							9,117
Number of current and former employees who were shareholders through various Eaton plans | employee			13,949
Deferred compensation plan trust of shares and marketable securities | $							$ 3,000,000	$ 3,000,000
Quarterly dividends declared per share (USD per share) | $ / shares			$ 3.76	€ 3.44	$ 3.24
Antidilutive securities excluded from computation of net income per ordinary share (in shares)					100,000
Subsequent Event
Subsequent Event [Line Items]
Quarterly dividends declared per share (USD per share) | $ / shares	$ 1.04
Dividend increase percentage over dividend paid in prior quarter (as a percent)	11.00%
2022 Program
Subsequent Event [Line Items]
Share repurchase program, authorized amount | $		$ 5,000,000,000.0
Stock repurchase program, period in force		3 years
Ordinary shares purchased (in shares)			7,800,000	0	2,000,000.0
Stock repurchased | $			$ 2,500,000,000		$ 286,000,000
2025 Program | Subsequent Event
Subsequent Event [Line Items]
Share repurchase program, authorized amount | $	$ 9,000,000,000
Stock repurchase program, period in force	3 years
Preferred A Stock
Subsequent Event [Line Items]
Preferred stock issued (in shares)							10,000	10,000
Preferred stock, par value (in USD per share) | $ / shares							$ 1.00	$ 1.00
Preferred stock authorized (in shares)							10,000	10,000
Preferred stock outstanding (in shares)							10,000	10,000
Serial Preferred
Subsequent Event [Line Items]
Preferred stock, par value (in USD per share) | $ / shares							$ 0.01	$ 0.01
Preferred stock authorized (in shares)							10,000,000	10,000,000
Preferred stock outstanding (in shares)							0	0