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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Sep. 26, 2020
Dec. 28, 2019
Statement of Financial Position [Abstract]    
Common stock, par value $ 1 $ 1
Common stock, shares authorized 1,000,000,000 1,000,000,000
Common stock, shares issued 711,636,000 706,552,000
Treasury stock at cost, shares 15,529,000 0