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Consolidated Balance Sheets (Parenthetical) - USD ($)
shares in Thousands, $ in Millions
Apr. 02, 2017
Jan. 01, 2017
Current assets:    
Allowances for doubtful accounts $ 246 $ 252
Shareholders' equity:    
Common stock, par value per share $ 1.00 $ 1.00
Common stock, shares authorized 4,320,000 4,320,000
Common stock, shares issued 3,119,843 3,119,843
Treasury stock, shares 424,934 413,332