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Borrowings - Scheduled of Debt Maturities Excluding Other Obligations and Debt Issuance Costs (Detail)
$ in Millions
Jun. 30, 2018
USD ($)
Debt Disclosure [Abstract]  
Fiscal 2019 $ 462
Fiscal 2020 551
Fiscal 2021 406
Fiscal 2022 108
Fiscal 2023 279
Thereafter $ 146