XML 106 R92.htm IDEA: XBRL DOCUMENT v3.20.2
Earnings Per Share (Schedule of earnings per share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
May 31, 2020
Feb. 23, 2020
Nov. 24, 2019
Aug. 25, 2019
May 26, 2019
Feb. 24, 2019
Nov. 25, 2018
Aug. 26, 2018
May 31, 2020
May 26, 2019
May 27, 2018
EARNINGS PER SHARE [Abstract]                      
Net earnings attributable to General Mills $ 625.7 $ 454.1 $ 580.8 $ 520.6 $ 570.2 $ 446.8 $ 343.4 $ 392.3 $ 2,181.2 $ 1,752.7 $ 2,131.0
Average number of common shares - basic EPS                 608.1 600.4 576.8
Earnings Per Share, Basic and Diluted [Abstract]                      
Average number of common shares - diluted EPS                 613.3 605.4 585.7
Earnings per share - basic $ 1.03 $ 0.75 $ 0.96 $ 0.86 $ 0.95 $ 0.74 $ 0.57 $ 0.66 $ 3.59 $ 2.92 $ 3.69
Earnings per share - diluted $ 1.02 $ 0.74 $ 0.95 $ 0.85 $ 0.94 $ 0.74 $ 0.57 $ 0.65 $ 3.56 $ 2.90 $ 3.64
Other Disclosures [Abstract]                      
Anti-dilutive stock options, restricted stock units, and performance share units                 8.4 14.1 8.9
Stock options [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Incremental share effect                 2.7 3.1 6.9
Restricted stock units, performance shares units, and other [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Incremental share effect                 2.5 1.9 2.0