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Operating Leases - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Leases [Abstract]      
Operating lease cost $ 90 $ 157 $ 137
Variable lease cost 27 29 33
Operating lease impairment loss 0 43 0
Operating lease payments 106 124 $ 135
Right of use asset obtained in exchange for operating lease liability $ 47 $ 36  
Weighted average lease term 4 years 4 months 24 days 4 years 8 months 12 days  
Weighted average discount rate 2.80% 2.60%