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Leases - Maturities of Sales-type and Operating Leases (Detail)
$ in Millions
Sep. 30, 2019
USD ($)
Sales-type Leases  
2019 $ 10
2020 31
2021 25
2022 17
2023 9
Thereafter 3
Total minimum lease payments 95
Less: imputed interest (12)
Present value of minimum lease payments 83
Operating Leases  
2019 15
2020 61
2021 61
2022 58
2023 27
Thereafter 5
Total minimum lease payments $ 227