Financial Instruments (Tables)

6 Months Ended

Mar. 25, 2016

Financial Instruments, Owned, at Fair Value [Abstract]

Assets measured at fair value on a recurring basis

The following table presents the Company's hierarchy for its assets measured at fair value on a recurring basis as of March 25, 2016 and September 25, 2015 ($ in millions):



							Consolidated Balance Sheet Classification
	As of March 25, 2016						Cash and Cash Equivalents		Prepaids and Other Current Assets		Other Assets
Investment Assets:	Level 1		Level 2		Total		Cash and Cash Equivalents		Prepaids and Other Current Assets		Other Assets
Cash equivalents	$	20	$	—	$	20	$	20	$	—	$	—
Available-for-sale securities:
Exchange traded funds (fixed income)⁽¹⁾	185		—		185		—		29		156
Exchange traded funds (equity)⁽¹⁾	80		—		80		—		—		80
Trading securities:
Exchange traded funds (equity)	56		—		56		—		56		—
	$	341	$	—	$	341	$	20	$	85	$	236



							Consolidated Balance Sheet Classification
	As of September 25, 2015						Cash and Cash Equivalents		Prepaids and Other Current Assets		Other Assets
Investment Assets:	Level 1		Level 2		Total		Cash and Cash Equivalents		Prepaids and Other Current Assets		Other Assets
Cash equivalents	$	909	$	—	$	909	$	909	$	—	$	—
Available-for-sale securities:
Exchange traded funds (fixed income)⁽¹⁾	186		—		186		—		15		171
Exchange traded funds (equity)⁽¹⁾	77		—		77		—		—		77
Trading securities:
Exchange traded funds (equity)	59		—		59		—		59		—
	$	1,231	$	—	$	1,231	$	909	$	74	$	248

⁽¹⁾Classified as restricted investments. See Note 11.