v3.25.4
Provisions and Other Non-Current Liabilities - Summary of Movement in Provisions (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of other provisions [Line Items]    
Other provisions at beginning of period $ 125 $ 163
Charges 34 40
Utilization (32) (76)
Translation and other, net 3 (2)
Other provisions at end of period 130 125
Less: short-term provisions 66 63
Long-term provisions 64 62
Employee-related [member]    
Disclosure of other provisions [Line Items]    
Other provisions at beginning of period 20 45
Charges 30 21
Utilization (27) (45)
Translation and other, net 0 (1)
Other provisions at end of period 23 20
Less: short-term provisions 23 20
Long-term provisions 0 0
Facilities-related [member]    
Disclosure of other provisions [Line Items]    
Other provisions at beginning of period 20 23
Charges 0 0
Utilization (2) (2)
Translation and other, net 1 (1)
Other provisions at end of period 19 20
Less: short-term provisions 0 1
Long-term provisions 19 19
Other [member]    
Disclosure of other provisions [Line Items]    
Other provisions at beginning of period 85 95
Charges 4 19
Utilization (3) (29)
Translation and other, net 2 0
Other provisions at end of period 88 85
Less: short-term provisions 43 42
Long-term provisions $ 45 $ 43