v3.25.1
EATON SHAREHOLDERS' EQUITY - Changes in Accumulated Other Comprehensive (Loss) Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period $ 18,531 $ 19,069
Other comprehensive income (loss) before reclassifications 76  
Amounts reclassified from Accumulated other comprehensive loss (income) 16  
Other comprehensive income (loss) attributable to Eaton ordinary shareholders 92 (40)
Balance at end of period 18,547 $ 19,326
Total    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period (4,342)  
Balance at end of period (4,250)  
Currency translation and related hedging instruments    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period (3,399)  
Other comprehensive income (loss) before reclassifications 86  
Amounts reclassified from Accumulated other comprehensive loss (income) (2)  
Other comprehensive income (loss) attributable to Eaton ordinary shareholders 84  
Balance at end of period (3,315)  
Pensions and other postretirement benefits    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period (1,044)  
Other comprehensive income (loss) before reclassifications (18)  
Amounts reclassified from Accumulated other comprehensive loss (income) 15  
Other comprehensive income (loss) attributable to Eaton ordinary shareholders (3)  
Balance at end of period (1,047)  
Cash flow hedges    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period 101  
Other comprehensive income (loss) before reclassifications 8  
Amounts reclassified from Accumulated other comprehensive loss (income) 3  
Other comprehensive income (loss) attributable to Eaton ordinary shareholders 11  
Balance at end of period $ 112