v3.25.4
Employee Benefit Plans - Change in Benefit Obligation, Plan Assets and Funded Status of Defined Benefit Pension Plans (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at beginning of year $ 173  
Fair value of plan assets at end of year 163 $ 173
Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Benefit obligation at beginning of year 184 206
Interest cost $ 8 $ 8
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Actuarial gain $ (9) $ (13)
Benefits paid (11) (11)
Exchange rate loss (gain) 17 (6)
Settlements (3)  
Benefit obligation at end of year 186 184
Fair value of plan assets at beginning of year 173 180
Actual return (12) 6
Benefits paid (11) (11)
Company contributions 2 2
Exchange rate gain (loss) 14 (4)
Settlements (3)  
Fair value of plan assets at end of year 163 173
Funded status (23) (11)
Accumulated benefit obligation at end of year 150 183
Other Postretirement Benefits Plan    
Defined Benefit Plan Disclosure [Line Items]    
Benefit obligation at beginning of year 43 48
Service cost 2 2
Interest cost $ 2 $ 3
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Actuarial gain $ (2) $ (2)
Benefits paid (5) (6)
Settlements   (2)
Benefit obligation at end of year 40 43
Benefits paid (5) (6)
Company contributions 5 8
Settlements   (2)
Funded status $ (40) $ (43)