v3.24.1.u1
EATON SHAREHOLDERS' EQUITY - Changes in Shareholders' Equity (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period $ 19,069 $ 17,075
Net income 822 639
Other comprehensive loss, net of tax (40) 132
Cash dividends paid and accrued (381) (352)
Issuance of shares under equity-based compensation plans (5) (11)
Repurchase of shares (138)  
Changes in noncontrolling interest of consolidated subsidiaries - net   1
Balance at end of period 19,326 17,485
Total Eaton shareholders' equity    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period 19,036 17,038
Net income 821 638
Other comprehensive loss, net of tax (40) 132
Cash dividends paid and accrued (381) (348)
Issuance of shares under equity-based compensation plans (5) (11)
Repurchase of shares (138)  
Balance at end of period $ 19,292 $ 17,449
Ordinary shares    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period (shares) 399.4 397.8
Balance at beginning of period $ 4 $ 4
Issuance of shares under equity-based compensation plans (shares) 0.9 0.7
Repurchase of shares (shares) (0.5)  
Balance at end of period (shares) 399.8 398.6
Balance at end of period $ 4 $ 4
Capital in excess of par value    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period 12,634 12,512
Issuance of shares under equity-based compensation plans (4) (11)
Balance at end of period 12,630 12,502
Retained earnings    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period 10,305 8,468
Net income 821 638
Cash dividends paid and accrued (381) (348)
Issuance of shares under equity-based compensation plans (1) (1)
Repurchase of shares (138)  
Balance at end of period 10,605 8,757
AOCI Attributable to Parent    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period (3,906) (3,946)
Other comprehensive loss, net of tax (40) 132
Balance at end of period (3,946) (3,814)
Shares held in trust    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period (1) (1)
Issuance of shares under equity-based compensation plans   1
Balance at end of period (1) 0
Noncontrolling interests    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period 33 38
Net income 1 1
Cash dividends paid and accrued   (4)
Changes in noncontrolling interest of consolidated subsidiaries - net   1
Balance at end of period $ 34 $ 36