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Leases - Lease Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Lease Cost      
Operating lease cost $ 59 $ 58 $ 58
Variable operating lease cost 27 26 29
Short term lease cost 3 4 4
Lease expense $ 89 $ 88 $ 91