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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares
shares in Millions
Jun. 17, 2017
Feb. 25, 2017
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 400 400
Common stock, shares issued 269 268
Treasury stock, shares 0 0