Debt (Tables)

12 Months Ended

Sep. 30, 2016

Debt

Schedule of debt

	Fiscal Year End
	2016			2015
	(in millions)
Commercial paper, at a weighted-average interest rate of 0.69% at fiscal year end 2016	$	330		$	—
Senior floating rate notes due 2016(1)		—			500
6.55% senior notes due 2017		708			708
2.375% senior notes due 2018		325			325
2.35% senior notes due 2019		250			250
4.875% senior notes due 2021		250			250
3.50% senior notes due 2022		500			500
1.100% euro-denominated senior notes due 2023		618			614
3.45% senior notes due 2024		250			250
3.700% senior notes due 2026		350			—
7.125% senior notes due 2037		477			477
Other		3			—
Total principal debt		4,061			3,874
Unamortized discounts and debt issuance costs		(26	)		(27	)
Effects of fair value hedge-designated interest rate swaps		35			37
Total debt	$	4,070		$	3,884

(1)           The senior floating rate notes due 2016 bore interest at a rate of three-month London interbank offered rate ("LIBOR") plus 0.20% per year.

Aggregate amounts of principal payments maturing during the next five years and thereafter

	(in millions)
Fiscal 2017	$	331
Fiscal 2018		708
Fiscal 2019		576
Fiscal 2020		1
Fiscal 2021		250
Thereafter		2,195
Total	$	4,061