v3.24.2.u1
EATON SHAREHOLDERS' EQUITY - Changes in Shareholders' Equity (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2024
Jun. 30, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Balance at beginning of period $ 19,326 $ 19,069 $ 17,485 $ 17,075 $ 19,069 $ 17,075
Net income 994 822 745 639 1,816 1,384
Other comprehensive income (loss), net of tax (122) (40) 53 132 (162) 185
Cash dividends paid and accrued (375) (381) (344) (352)    
Issuance of shares under equity-based compensation plans 31 (5) 51 (11)    
Repurchase of shares (600) (138)        
Changes in noncontrolling interest of consolidated subsidiaries - net     (1) 1    
Balance at end of period 19,254 19,326 17,988 17,485 19,254 17,988
Total Eaton shareholders' equity            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Balance at beginning of period 19,292 19,036 17,449 17,038 19,036 17,038
Net income 993 821 744 638    
Other comprehensive income (loss), net of tax (122) (40) 53 132    
Cash dividends paid and accrued (375) (381) (344) (348)    
Issuance of shares under equity-based compensation plans 31 (5) 51 (11)    
Repurchase of shares (600) (138)        
Balance at end of period $ 19,219 $ 19,292 $ 17,953 $ 17,449 $ 19,219 $ 17,953
Ordinary shares            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Balance at beginning of period (in shares) 399.8 399.4 398.6 397.8 399.4 397.8
Balance at beginning of period $ 4 $ 4 $ 4 $ 4 $ 4 $ 4
Issuance of shares under equity-based compensation plans (in shares) 0.1 0.9 0.4 0.7    
Repurchase of shares (in shares) (1.9) (0.5)        
Balance at end of period (in shares) 398.1 399.8 399.0 398.6 398.1 399.0
Balance at end of period $ 4 $ 4 $ 4 $ 4 $ 4 $ 4
Capital in excess of par value            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Balance at beginning of period 12,630 12,634 12,502 12,512 12,634 12,512
Issuance of shares under equity-based compensation plans 31 (4) 52 (11)    
Balance at end of period 12,662 12,630 12,554 12,502 12,662 12,554
Retained earnings            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Balance at beginning of period 10,605 10,305 8,757 8,468 10,305 8,468
Net income 993 821 744 638    
Cash dividends paid and accrued (375) (381) (344) (348)    
Issuance of shares under equity-based compensation plans   (1) (1) (1)    
Repurchase of shares (600) (138)        
Balance at end of period 10,622 10,605 9,156 8,757 10,622 9,156
Accumulated other comprehensive loss            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Balance at beginning of period (3,946) (3,906) (3,814) (3,946) (3,906) (3,946)
Other comprehensive income (loss), net of tax (122) (40) 53 132    
Balance at end of period (4,069) (3,946) (3,760) (3,814) (4,069) (3,760)
Shares held in trust            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Balance at beginning of period (1) (1) 0 (1) (1) (1)
Issuance of shares under equity-based compensation plans     (1) 1    
Balance at end of period (1) (1) (1) 0 (1) (1)
Noncontrolling interests            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Balance at beginning of period 34 33 36 38 33 38
Net income 1 1 1 1    
Cash dividends paid and accrued       (4)    
Changes in noncontrolling interest of consolidated subsidiaries - net     (1) 1    
Balance at end of period $ 35 $ 34 $ 36 $ 36 $ 35 $ 36