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Leases Lessee, Operating Lease, Liability, Maturity (Details)
$ in Millions
Jun. 30, 2019
USD ($)
Leases [Abstract]  
2019 $ 79
2020 133
2021 90
2022 63
2023 44
Thereafter 74
Total lease payments 483
Less imputed interest 56
Present value of lease liabilities $ 427