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Employee Benefit Plans - Pre-tax Net Changes in Projected Benefit Obligations Recognized in Other Comprehensive Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]      
Total recognized in other comprehensive income (loss) $ 17 $ (33) $ 2
Pension      
Defined Benefit Plan Disclosure [Line Items]      
Actuarial loss (gain) arising during the year 4 (23)  
Amortization of loss included in net periodic benefit cost 0 (1)  
Prior service cost arising during the year 0 0  
Foreign currency exchange 0 (1)  
Total recognized in other comprehensive income (loss) 4 (25)  
Postemployment      
Defined Benefit Plan Disclosure [Line Items]      
Actuarial loss (gain) arising during the year 13 (12)  
Amortization of loss included in net periodic benefit cost (7) (8)  
Prior service cost arising during the year 0 2  
Foreign currency exchange 0 0  
Total recognized in other comprehensive income (loss) $ 6 $ (18)