v3.26.1
Employee Benefit Plans - Assumed Health Care Cost (Details) - Retiree Health
Dec. 31, 2025
Dec. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Health care cost trend rate assumed for next year (percentage) 6.50% 6.00%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) (percentage) 4.20% 4.20%