v3.25.4
Employee Benefit Plans - Fair Value of Pension Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Domestic Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 184 $ 231 $ 278
Domestic Plan | Bond funds [member] | Level 1 [member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 4 7  
Domestic Plan | Common collective trusts [member] | Fair value measured at net asset value per share [member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 180 224  
UK Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 302 275 $ 298
UK Plan | Cash | Level 1 [member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 11 2  
UK Plan | Bond funds [member] | Level 2 [member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 28 36  
UK Plan | Bond funds [member] | Fair value measured at net asset value per share [member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 80 72  
UK Plan | Cash Equivalents | Fair value measured at net asset value per share [member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 9 6  
UK Plan | Alternative investments [member] | Fair value measured at net asset value per share [member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 130 110  
UK Plan | Other Investments [member] | Fair value measured at net asset value per share [member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] $ 44 $ 49  
[1] Certain investments are measured at net asset value per share as a practical expedient and, therefore, have not been classified in the fair value hierarchy.