v3.5.0.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2016
Mar. 27, 2015
Mar. 31, 2016
Mar. 27, 2015
Income Tax Disclosure [Abstract]        
Unrecognized Tax Benefits, Period Increase (Decrease) $ 58      
Income tax expense $ 28 $ 32 $ 56 $ 68
Effective Income Tax Rate Reconciliation, Percent 31.10% 32.00% 30.80% 32.70%