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Leases - Component of Lease Expense (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Leases [Abstract]        
Operating lease cost $ 25 $ 7 $ 60 $ 21
Sublease income 0 0 0 0
Total lease cost $ 25 $ 7 $ 60 $ 21