v3.26.1
PENSION AND OTHER POSTRETIREMENT BENEFITS - Narrative (Details) - USD ($)
$ in Millions
5 Months Ended 7 Months Ended 12 Months Ended
Dec. 31, 2025
Aug. 06, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]        
Percent of fair value of plan assets invested in company common stock 0.30%   0.70%  
Pension and postretirement benefit obligations $ 1,185   $ 1,226  
Company contributions to defined contribution plans 40 $ 82 133 $ 151
Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Pension and postretirement benefit obligations 1,016   1,057  
Funded (underfunded) status at year end (1,085)   (1,129)  
Accumulated benefit obligation for all defined benefit pension plans 3,630   3,480  
Company Contributions 66 76 165 151
Pension Benefits | Qualified Plan        
Defined Benefit Plan Disclosure [Line Items]        
Funded (underfunded) status at year end (255)   (347)  
Expected contribution in the next fiscal year $ 12      
Funding threshold (in percent) 80.00%      
Pension Benefits | Nonqualified Plan        
Defined Benefit Plan Disclosure [Line Items]        
Expected contribution in the next fiscal year $ 77      
Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Pension and postretirement benefit obligations 131   138  
Funded (underfunded) status at year end (156)   (165)  
Expected contribution in the next fiscal year 26      
Company Contributions 91 $ 94 215 $ 172
Non-U.S. | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Pension and postretirement benefit obligations $ 38   $ 31  
United States | Liability Hedging        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan, actual plan asset allocation percentage 62.00%      
United States | Equity securities        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan, target plan asset allocation percentages 74.00%      
Defined benefit plan, actual plan asset allocation percentage 26.00%      
United States | Real Estate and Real Assets        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan, target plan asset allocation percentages 20.00%      
Defined benefit plan, actual plan asset allocation percentage 7.00%      
United States | Stock And Other Assets        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan, target plan asset allocation percentages 6.00%      
United States | Minimum | Liability Hedging        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan, target plan asset allocation percentages 61.00%      
United States | Minimum | Equity securities        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan, target plan asset allocation percentages 31.00%      
United States | Maximum | Liability Hedging        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan, target plan asset allocation percentages 69.00%      
United States | Maximum | Equity securities        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan, target plan asset allocation percentages 39.00%