Fair Value Measurements (Tables)

12 Months Ended

Sep. 28, 2014

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The Company held the following financial assets measured at fair value on a recurring basis based on the hierarchy levels indicated (in millions):

September 28, 2014	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total
Cash equivalents:
Money market fund	$	46	$	—	$	—	$	46
Treasury bills	4		—		—		4
Commercial paper	—		15		—		15
Marketable securities - available-for-sale:
Asset-backed securities	—		13		—		13
Commercial paper	—		33		—		33
Corporate bonds	—		97		—		97
Municipal bonds	—		530		—		530
Total	$	50	$	688	$	—	$	738

September 29, 2013	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total
Cash equivalents:
Money market fund	$	73	$	—	$	—	$	73
Commercial paper	—		104		—		104
Municipal bonds	—		17		—		17
Marketable securities - available-for-sale:
Corporate bonds	—		5		—		5
Municipal bonds	—		1,010		—		1,010
Variable rate demand notes	—		20		—		20
Total	$	73	$	1,156	$	—	$	1,229