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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares
shares in Millions
Jun. 16, 2018
Feb. 24, 2018
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 57 57
Common stock, shares issued 39 38
Treasury stock, shares 0 0