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Future Minimum Payments on Leases and Marketing and Sponsorship Agreements (Detail)
$ in Millions
Sep. 30, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Operating leases, 2019 $ 180
Operating leases, 2020 123
Operating leases, 2021 102
Operating leases, 2022 89
Operating leases, 2023 75
Operating leases, Thereafter 178
Operating leases $ 747