Leases (Tables)

12 Months Ended

Sep. 30, 2020

Leases [Abstract]

Components of Company's Lease Costs

The components of the Company’s lease costs were as follows:

		Year Ended September 30
		2020
	(In millions)
Operating lease cost		$	32
Finance lease cost			6
Total lease cost		$	38

Supplemental Cash Flow Information Related to Company's Leases

Supplemental cash flow information related to the Company’s leases was as follows:

	Year Ended September 30
	2020
	(In millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	25
Operating cash flows from finance leases		2
Financing cash flows from finance leases		3
Right-of-use assets obtained in exchange for new operating lease liabilities	$	14
Right-of-use assets obtained in exchange for new finance lease liabilities	$	24

Supplemental Balance Sheet Information Related to Company's Leases

Supplemental balance sheet information related to the Company’s leases was as follows:

Description	Balance Sheet Classification	September 30, 2020
		(In millions)
Lease ROU assets:
Operating	Other assets	$	98
Finance	Net property, plant and equipment		44
Total lease ROU assets		$	142
Lease liabilities:
Current:
Operating	Accounts payable and accrued liabilities	$	15
Finance	Current portion of long-term debt		3
Long-term:
Operating	Other liabilities		89
Finance	Long-term debt		28
Total lease liabilities		$	135

Weighed Average Remaining Lease Term and Discount Rates

The following table presents the weighted-average remaining lease term and discount rates for the Company’s leases as of September 30, 2020:

Description	September 30, 2020
Weighted-average remaining lease term (years):
Operating leases		17
Finance leases		12
Weighted-average discount rate:
Operating leases		2.19	%
Finance leases		4.42	%

Future Minimum Lease Payments Under Non-cancelable Operating and Finance Leases

Future minimum lease payments under non-cancelable operating and finance leases as of September 30, 2020 were as follows:

Years Ended September 30	Operating leases		Finance leases
	(In millions)
2021	$	17	$	5
2022		12		4
2023		11		4
2024		10		4
2025		9		4
2026 and thereafter		67		19
Total lease payments		126		40
Less: imputed interest		22		9
Total	$	104	$	31

The Company’s future minimum lease payments under non-cancelable leases as of September 30, 2019 were as follows:

Years Ended September 30	Operating leases		Capital leases
	(In millions)
2020	$	23	$	3
2021		14		3
2022		9		3
2023		9		3
2024		8		2
2025 and thereafter		68		7
Total lease payments		131		21
Less: imputed interest		—		9
Total	$	131	$	12