Leases (Tables)

12 Months Ended

Sep. 30, 2017

Leases [Abstract]

Future Minimum Capital and Operating Lease Payments and Related Present Value of Capital Lease Payments

Future minimum capital and operating lease payments and the related present value of capital lease payments at September 30, 2017 were as follows (in millions):

	Capital Leases			Operating Leases
2018	$	4		$	315
2019	3			237
2020	3			160
2021	2			96
2022	2			61
After 2022	9			85
Total minimum lease payments	23			$	954
Interest	(4		)
Present value of net minimum lease payments	$	19