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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Sep. 30, 2017
Oct. 01, 2016
Statement of Financial Position [Abstract]    
Preferred stock, par value (usd per share) $ 0.01 $ 0.01
Preferred stock, authorized 100,000,000 100,000,000
Preferred Stock, Shares Issued 0 0
Common stock, par value (usd per share) $ 0.01 $ 0.01
Common stock, authorized 4,600,000,000 4,600,000,000
Common stock, issued 2,900,000,000 2,900,000,000
Treasury stock, shares 1,400,000,000 1,300,000,000