v3.26.1
Other assets impairments, restructuring and other items - Summary of Restructuring Accruals (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]      
Beginning balance $ (68) $ (82) $ (119)
Provision (225) (74) (111)
Utilization and other [1] 156 88 149
Ending balance (138) (68) (82)
Employee termination costs [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning balance (55) (75) (112)
Provision (215) (53) (52)
Utilization and other [1] 147 73 90
Ending balance (124) (55) (75)
Other Exit and Disposal [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning balance (13) (7) (7)
Provision (10) (21) (59)
Utilization and other [1] 9 16 59
Ending balance $ (14) $ (13) $ (7)
[1] Includes adjustments for foreign currency translation.