Annual report [Section 13 and 15(d), not S-K Item 405]

TRANSFORMATION STRATEGY COSTS - Schedule Of Restructuring Plans (Details)

v3.25.4
TRANSFORMATION STRATEGY COSTS - Schedule Of Restructuring Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]      
Transformation cost $ 593 $ 322 $ 435
Transformation 1.0 [Member]      
Restructuring Cost and Reserve [Line Items]      
Transformation cost 0 0 13
Transformation 2.0      
Restructuring Cost and Reserve [Line Items]      
Transformation cost 37 83 210
Spans And Layers [Member]      
Restructuring Cost and Reserve [Line Items]      
Transformation cost 0 0 86
Business portfolio review      
Restructuring Cost and Reserve [Line Items]      
Transformation cost (18) 29 84
Financial systems      
Restructuring Cost and Reserve [Line Items]      
Transformation cost 55 54 36
Other Initiatives [Member]      
Restructuring Cost and Reserve [Line Items]      
Transformation cost 0 0 4
Fit to Serve      
Restructuring Cost and Reserve [Line Items]      
Transformation cost 47 204 212
Network Reconfiguration and Efficiency Reimagined      
Restructuring Cost and Reserve [Line Items]      
Transformation cost $ 509 $ 35 $ 0