Debt and Other Obligations (Tables)

12 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Schedule of Long-Term Obligations

The Company’s long-term obligations, the fiscal year in which they mature and their respective interest rates are summarized below:

	September 30
	2016			2015
	(Dollars in millions)
Variable Rate Debt:
Revolving Credit Facility, expires 2021	$	—		$	—
Total variable rate debt		—			—
Fixed Rate Debt:
5% Notes	$	—		$	300
2.55% Notes due 2018		250			250
3.7% Notes due 2022		350			350
3.4% Notes due 2026		250			—
Medium Term Notes:
Notes due 2019, 7.42%		30			30
Notes due 2022, 8.35%—8.47%		15			15
Notes due 2028, 6.57%—7.28%		8			8
Total Medium Term Notes	$	53		$	53
Chinese Renminbi Debt, due 2017, 6.15%		4			5
Total fixed rate debt		907			958
Capital lease obligations, due through 2031		13			14
Unamortized debt discount		(1	)		(1	)
Total debt		919			971
Less current portion of long-term debt		(1	)		(1	)
Total long-term debt	$	918		$	970

Schedule of Future Years Payment

The aggregate principal amounts of long-term debt and capital lease obligations due in each of the five years from fiscal 2017 through 2021 and thereafter are as follows:

Fiscal Years Ending September 30,	Principal Payments on Long-Term Debt		Payments on Capital Lease Obligations			Total
	(Dollars in millions)
2017	$	—	$	2		$	2
2018		250		3			253
2019		30		2			32
2020		—		2			2
2021		—		2			2
Thereafter		627		9			636
Less: Interest		—		(7	)		(7	)
Total	$	907	$	13		$	920