Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 02, 2016	Dec. 27, 2014	Oct. 03, 2015
Income Tax Disclosure [Abstract]
Effective tax rate for continuing operations	35.20%	28.80%
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	6.50%
Unrecognized tax benefits	$ 304		$ 306
Unrecognized tax benefits, reductions that could result from tax audit resolutions	$ 15