v3.24.1.u1
EATON SHAREHOLDERS' EQUITY - Calculation of Net Income per Ordinary Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Calculation of net income per ordinary share attributable to ordinary shareholders    
Net income attributable to Eaton ordinary shareholders $ 821 $ 638
Weighted-average number of ordinary shares outstanding - diluted (in shares) 401.9 400.5
Less: dilutive effect of equity-based compensation (in shares) 2.0 2.0
Weighted-average number of ordinary shares outstanding - basic (in shares) 399.9 398.5
Net income per share attributable to Eaton ordinary shareholders    
Diluted (USD per share) $ 2.04 $ 1.59
Basic (USD per share) $ 2.05 $ 1.60