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Leases (Details) - Contractual Maturities of Lease Liabilities
$ in Millions
Mar. 31, 2020
USD ($)
Leases [Abstract]  
Lease payments due, remainder of 2020 $ 81
Lease payments due, 2021 94
Lease payments due, 2022 73
Lease payments due, 2023 54
Lease payments due, 2024 37
Lease payments due, thereafter 57
Total undiscounted lease payments 396
Less: present value adjustment 30
Operating lease liability $ 366