v3.23.3
EQUITY - Changes in Shareholders' Equity (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of period $ 17,988 $ 17,485 $ 17,075 $ 16,416 $ 16,656 $ 16,451 $ 17,075 $ 16,451
Net income 892 745 639 608 601 533 2,277 1,743
Other comprehensive income (loss), net of tax (167) 53 132 (522) (444) 116 18 (850)
Cash dividends paid and accrued (343) (344) (352) (323) (323) (333)    
Issuance of shares under equity-based compensation plans 50 51 (11) 26 27 (24)    
Changes in noncontrolling interest of consolidated subsidiaries - net (1) (1) 1 (2) (1) (1)    
Repurchase of shares       (100) (100) (86)    
Balance at end of period 18,420 17,988 17,485 16,103 16,416 16,656 18,420 16,103
Total Eaton shareholders' equity                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of period 17,953 17,449 17,038 16,380 16,620 16,413 17,038 16,413
Net income 891 744 638 607 601 532    
Other comprehensive income (loss), net of tax (167) 53 132 (522) (444) 116    
Cash dividends paid and accrued (343) (344) (348) (323) (323) (331)    
Issuance of shares under equity-based compensation plans 50 51 (11) 26 27 (24)    
Changes in noncontrolling interest of consolidated subsidiaries - net         (1)      
Repurchase of shares       (100) (100) (86)    
Balance at end of period $ 18,383 $ 17,953 $ 17,449 $ 16,068 $ 16,380 $ 16,620 $ 18,383 $ 16,068
Ordinary shares                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of period (shares) 399.0 398.6 397.8 398.3 399.0 398.8 397.8 398.8
Balance at beginning of period $ 4 $ 4 $ 4 $ 4 $ 4 $ 4 $ 4 $ 4
Issuance of shares under equity-based compensation plans (shares) 0.4 0.4 0.7 0.1   0.8    
Repurchase of shares (shares)       (0.7) (0.7) (0.6)    
Balance at end of period (shares) 399.3 399.0 398.6 397.7 398.3 399.0 399.3 397.7
Balance at end of period $ 4 $ 4 $ 4 $ 4 $ 4 $ 4 $ 4 $ 4
Capital in excess of par value                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of period 12,554 12,502 12,512 12,452 12,427 12,449 12,512 12,449
Issuance of shares under equity-based compensation plans 51 52 (11) 26 26 (22)    
Changes in noncontrolling interest of consolidated subsidiaries - net         (1)      
Balance at end of period 12,604 12,554 12,502 12,478 12,452 12,427 12,604 12,478
Retained earnings                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of period 9,156 8,757 8,468 7,886 7,707 7,594 8,468 7,594
Net income 891 744 638 607 601 532    
Cash dividends paid and accrued (343) (344) (348) (323) (323) (331)    
Issuance of shares under equity-based compensation plans (1) (1) (1)   1 (2)    
Repurchase of shares       (100) (100) (86)    
Balance at end of period 9,703 9,156 8,757 8,070 7,886 7,707 9,703 8,070
AOCI Attributable to Parent                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of period (3,760) (3,814) (3,946) (3,961) (3,517) (3,633) (3,946) (3,633)
Other comprehensive income (loss), net of tax (167) 53 132 (522) (444) 116    
Balance at end of period (3,927) (3,760) (3,814) (4,483) (3,961) (3,517) (3,927) (4,483)
Shares held in trust                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of period (1) 0 (1) (1) (1) (1) (1) (1)
Issuance of shares under equity-based compensation plans   (1) 1          
Balance at end of period (1) (1) 0 (1) (1) (1) (1) (1)
Noncontrolling interests                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of period 36 36 38 36 36 38 38 38
Net income 1 1 1 1   1    
Cash dividends paid and accrued     (4)     (2)    
Changes in noncontrolling interest of consolidated subsidiaries - net (1) (1) 1 (2)   (1)    
Balance at end of period $ 36 $ 36 $ 36 $ 35 $ 36 $ 36 $ 36 $ 35