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Computation of Earnings Per Share | 3 Months Ended
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Aug. 31, 2019
Earnings Per Share [Abstract] |
Computation of Earnings Per Share | (4) Computation of Earnings Per Share The calculation of basic and diluted earnings per common share for the three-month periods ended August 31 was as follows (in millions, except per share amounts):
|  | 2019 |  |  | 2018 |
Basic earnings per common share: |  |  |  |  |  |  |  |
Net earnings allocable to common shares(1) |  | $ | 744 |  |  | $ | 834 |
Weighted-average common shares |  |  | 260 |  |  |  | 265 |
Basic earnings per common share |  | $ | 2.86 |  |  | $ | 3.15 |
Diluted earnings per common share: |  |  |  |  |  |  |  |
Net earnings allocable to common shares(1) |  | $ | 744 |  |  | $ | 834 |
Weighted-average common shares |  |  | 260 |  |  |  | 265 |
Dilutive effect of share-based awards |  |  | 2 |  |  |  | 4 |
Weighted-average diluted shares |  |  | 262 |  |  |  | 269 |
Diluted earnings per common share |  | $ | 2.84 |  |  | $ | 3.10 |
Anti-dilutive options excluded from diluted earnings per common share |  |  | 10.9 |  |  |  | 3.7 |
| (1) | Net earnings available to participating securities were immaterial in all periods presented.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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