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Background (Details) - USD ($)
$ in Millions
Aug. 30, 2020
May 31, 2020
Aug. 25, 2019
May 26, 2019
Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract]        
Equity $ 8,757.9 $ 8,349.5 $ 7,695.6 $ 7,367.7
Retained Earnings [Member]        
Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract]        
Equity 16,312.5 $ 15,982.1 15,218.8 $ 14,996.7
Retained Earnings [Member] | Cumulative Effect Period Of Adoption [Member]        
Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract]        
Equity $ (5.7)   $ 0.0