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Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Jun. 30, 2020	Sep. 30, 2019
Operating Leases
Operating lease right-of-use assets	$ 278
Operating lease liabilities, current	40
Operating lease liabilities, noncurrent	306	$ 0
Total operating lease liabilities	$ 346
Weighted Average Remaining Lease Term
Operating leases	8 years
Weighted Average Discount Rate
Operating leases	4.57%

X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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