Debt (Tables)

9 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Schedule of Debt

The Company had outstanding debt as follows:

	June 30, 2016
	Principal Amount		Unamortized Discounts and Debt Issuance Costs			Carrying Amount		Effective Interest Rate
	(in millions, except percentages)
1.20% Senior Notes due December 2017 (the "2017 Notes")	$	1,750	$	(4	)	$	1,746	1.37	%
2.20% Senior Notes due December 2020 (the "2020 Notes")	3,000		(13		)	2,987		2.30	%
2.80% Senior Notes due December 2022 (the "2022 Notes")	2,250		(13		)	2,237		2.89	%
3.15% Senior Notes due December 2025 (the "2025 Notes")	4,000		(37		)	3,963		3.26	%
4.15% Senior Notes due December 2035 (the "2035 Notes")	1,500		(15		)	1,485		4.23	%
4.30% Senior Notes due December 2045 (the "2045 Notes")	3,500		(39		)	3,461		4.37	%
Total long-term debt	$	16,000	$	(121	)	$	15,879

Debt Instrument Redemption

Series	Maturity/Par Call Date	Spread
2017 Notes	December 14, 2017	5 bps
2020 Notes	November 14, 2020	10 bps
2022 Notes	October 14, 2022	12.5 bps
2025 Notes	September 14, 2025	15 bps
2035 Notes	June 14, 2035	20 bps
2045 Notes	June 14, 2045	20 bps

Schedule of Future Principal Payments on Outstanding Debt

Future principal payments on the Company's outstanding debt are as follows:

Fiscal Year	2016		2017		2018		2019		2020		Thereafter		Total
(in millions)	$	—	$	—	$	1,750	$	—	$	—	$	14,250	$	16,000