v3.26.1
RETIREMENT BENEFITS PLANS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Defined Benefit Plan Disclosure [Line Items]        
Increase in funded status $ 47      
Decrease in accumulated other comprehensive loss 47      
Pension plans        
Defined Benefit Plan Disclosure [Line Items]        
Settlement loss $ 15 $ 12 $ 28 $ 23