v3.5.0.1
Equity (Details) - USD ($)
3 Months Ended 6 Months Ended
Jan. 07, 2016
Oct. 14, 2015
Jul. 17, 2015
Nov. 26, 2012
Mar. 31, 2016
Mar. 27, 2015
Mar. 31, 2016
Mar. 27, 2015
Dec. 15, 2015
Nov. 26, 2015
Nov. 18, 2013
Class of Stock [Line Items]                      
Common Stock, Dividends, Per Share, Declared $ 0.22 $ 0.21     $ 0.22 $ 0.42 $ 0.43 $ 0.42      
Quarterly Dividend Authorized Increase Amount                 $ 0.22    
Adjustments to Additional Paid in Capital, Other             $ 58,000,000        
FY2013 Share Repurchase Program [Member]                      
Class of Stock [Line Items]                      
Stock repurchase program, authorized amount       $ 2,000,000,000             $ 1,000,000,000
Share repurchase program, period in force       3 years              
Stock Repurchased and Retired During Period, Shares             985,000        
Stock repurchased and retired during period, average cost per share             $ 30.01        
Stock repurchased and retired during period, value             $ 30,000,000        
Stock Repurchase Program, Remaining Authorized Repurchase Amount Expired                   $ 27,000,000  
FY2015 Share Repurchase Program [Member]                      
Class of Stock [Line Items]                      
Stock repurchase program, authorized amount     $ 1,000,000,000                
Share repurchase program, period in force     3 years                
Stock Repurchased and Retired During Period, Shares             0