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Consolidated Balance Sheet (Parenthetical) Consolidated Balance Sheet - $ / shares
Dec. 30, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Common Stock, Par or Stated Value Per Share $ 0.25 $ 0.25
Common Stock, Shares Authorized 1,000,000,000 1,000,000,000
Common Stock, Shares, Issued 420,514,582 420,472,901
Treasury Stock, Shares 74,911,865 69,403,567