Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 27, 2015	Sep. 28, 2014
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	2,400,000,000	2,400,000,000
Common stock, shares issued	1,485,100,000	1,499,100,000
Common stock, shares outstanding	1,485,100,000	1,499,100,000