v3.26.1
BUSINESS SEGMENT INFORMATION - Business Segment Information (Details)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended 30 Months Ended
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Jun. 30, 2026
USD ($)
Segment Reporting [Line Items]                  
Number of reportable segments | segment         4        
Business Segment Information                  
Total net sales $ 8,531   $ 7,028   $ 15,982 $ 13,404      
Total other segment items 5,676   4,431   10,476 8,361      
Pension and other postretirement benefits income         (23) (20)      
Restructuring program charges (24)   (24)   (62) (42) $ (133) $ (202) $ (397)
Income before income taxes 1,144   1,186   2,251 2,363      
Income tax expense 321   203   561 415      
Net income 823 $ 868 982 $ 965 1,690 1,947      
Less net income for noncontrolling interests (1)   (1)   (3) (2)      
Net income attributable to Eaton ordinary shareholders 821   982   1,687 1,945      
Electrical Americas                  
Business Segment Information                  
Total net sales 3,951   3,350   7,551 6,360      
Electrical Global                  
Business Segment Information                  
Total net sales 2,517   1,753   4,463 3,362      
Aerospace                  
Business Segment Information                  
Total net sales 1,222   1,080   2,362 2,059      
Mobility                  
Business Segment Information                  
Total net sales 841   845   1,607 1,623      
Operating segments                  
Business Segment Information                  
Total net sales 8,531   7,028   15,982 13,404      
Total other segment items 6,557   5,346   12,318 10,200      
Total segment operating profit 1,974   1,682   3,664 3,204      
Operating segments | Electrical Americas                  
Business Segment Information                  
Total net sales 3,951   3,350   7,551 6,360      
Total other segment items 2,863   2,363   5,541 4,469      
Total segment operating profit 1,088   987   2,010 1,891      
Restructuring program charges (10)   (9)   (11) (10)     (38)
Operating segments | Electrical Global                  
Business Segment Information                  
Total net sales 2,517   1,753   4,463 3,362      
Total other segment items 2,018   1,400   3,590 2,709      
Total segment operating profit 499   353   873 653      
Restructuring program charges (9)   (5)   (40) (19)     (191)
Operating segments | Aerospace                  
Business Segment Information                  
Total net sales 1,222   1,080   2,362 2,059      
Total other segment items 944   840   1,780 1,593      
Total segment operating profit 278   240   582 466      
Restructuring program charges 0   0   0 0     (19)
Operating segments | Mobility                  
Business Segment Information                  
Total net sales 841   845   1,607 1,624      
Total other segment items 732   743   1,409 1,430      
Total segment operating profit 109   102   198 194      
Restructuring program charges 2   (4)   (3) (6)     (98)
Corporate                  
Business Segment Information                  
Intangible asset amortization expense (255)   (129)   (395) (235)      
Interest expense - net (201)   (71)   (307) (103)      
Pension and other postretirement benefits income 2   5   6 10      
Restructuring program charges (6)   (6)   (9) (7)     $ (51)
Other expense - net $ (353)   $ (277)   $ (655) $ (471)