v3.26.1
EATON SHAREHOLDERS' EQUITY - Reclassifications Out of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before income taxes $ 1,144 $ 1,186 $ 2,251 $ 2,363
Income tax expense (321) (203) (561) (415)
Total, net of tax $ 821 $ 982 1,687 $ 1,945
Reclassification out of Accumulated Other Comprehensive Loss        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Total, net of tax     (25)  
Gains and (losses) on net investment hedges (amount excluded from effectiveness testing) | Reclassification out of Accumulated Other Comprehensive Loss        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before income taxes     6  
Income tax expense     0  
Total, net of tax     6  
Amortization of defined benefits pensions and other postretirement benefits items | Reclassification out of Accumulated Other Comprehensive Loss        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before income taxes     (48)  
Income tax expense     7  
Total, net of tax     (41)  
Gains and (losses) on cash flow hedges | Reclassification out of Accumulated Other Comprehensive Loss        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income tax expense     (3)  
Total, net of tax     10  
Gains and (losses) on cash flow hedges | Reclassification out of Accumulated Other Comprehensive Loss | Floating-to-fixed interest rate swaps        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before income taxes     5  
Gains and (losses) on cash flow hedges | Reclassification out of Accumulated Other Comprehensive Loss | Currency exchange contracts        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before income taxes     $ 8