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Employee Benefit Plans - Pension Plans Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
pensionPlan
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Number of defined benefit plans | pensionPlan 2    
Fair value of plan assets $ 51 $ 295  
Benefit obligation 113 374  
Items not yet recognized as net periodic pension cost (benefit) 125 132  
Gain (loss) on plan obligations (27) 7  
Accumulated benefit obligations exceed plan assets 96 361  
Accumulated benefit obligations and the fair value of plan assets 51 295  
Net periodic pension cost 18 20 $ (3)
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 262 243  
Benefit obligation 236 267  
Unfunded status of plan $ 26 $ (24)