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Leases - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Leases [Abstract]    
Total lease assets $ 71 $ 87
Total lease liability $ 97 $ 116
Weighted average remaining lease term 7 years 9 months 18 days 8 years 2 months 12 days
Weighted average discount rate 2.60% 2.49%
ROU asset impairment $ 3