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Leases - Schedule of Present Value of Future Minimum Lease Payments (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Leases [Abstract]  
Remainder of 2020 $ 82
2021 108
2022 93
2023 86
2024 73
Thereafter 186
Total undiscounted lease payments 628
Less: imputed interest (54)
Present value of lease liabilities $ 574