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Employee Benefits - Schedule of Other information related to Company's other post-retirement plan's (Details) - Other Post-Retirement Benefits - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Net periodic benefit cost recognized (millions) $ 4 $ 3 $ 5
Minimum      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Weighted-average discount rate used to determine future benefit obligations 4.65% 4.94% 2.52%
Weighted-average discount rate used to determine net periodic benefit costs 4.92% 1.97% 1.45%
Maximum      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Weighted-average discount rate used to determine future benefit obligations 4.87% 5.19% 3.06%
Weighted-average discount rate used to determine net periodic benefit costs 5.17% 2.69% 2.68%