v3.26.1
Other assets impairments, restructuring and other items - Summary of Restructuring Accruals (Detail) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Restructuring Cost and Reserve [Line Items]    
Beginning balance $ (138) $ (68)
Provision (63) (168)
Utilization and other [1] 90 54
Ending balance (111) (182)
Employee termination costs [Member]    
Restructuring Cost and Reserve [Line Items]    
Beginning balance (124) (55)
Provision (59) (163)
Utilization and other [1] 86 50
Ending balance (97) (168)
Other Exit and Disposal [Member]    
Restructuring Cost and Reserve [Line Items]    
Beginning balance (14) (13)
Provision (4) (5)
Utilization and other [1] 4 4
Ending balance $ (14) $ (14)
[1] Includes adjustments for foreign currency translation.