v3.25.4
INCENTIVE PLANS - Incentive Compensation Cost (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Number of shares available for grant (in shares) 51.4    
Incentive compensation cost $ 2,259 $ 2,130 $ 2,091
Immediately vested stock award      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Incentive compensation cost 29 130 127
Employee Stock Option      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Incentive compensation cost 1 0 0
Amortization of deferred cash awards, deferred cash stock units and performance stock units      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Incentive compensation cost 254 186 340
Other variable incentive compensation      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Incentive compensation cost 398 355 286
Charges for estimated awards to retirement-eligible employees | Restricted and deferred stock awards      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Incentive compensation cost 819 741 663
Amortization of restricted and deferred stock awards | Restricted and deferred stock awards      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Incentive compensation cost $ 758 $ 718 $ 689