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Earnings Per Common Share | 6 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Earnings Per Common Share | Earnings Per Common Share Basic earnings per common share is computed by dividing net income by the weighted-average number of common shares outstanding during the reporting period. The computation of diluted earnings per common share is similar to that of basic earnings per common share, except that the former reflects the potential dilution that could occur if dilutive securities or other obligations to issue common stock were exercised or converted into common stock. Potentially dilutive securities include outstanding stock options, restricted stock units, and performance-based restricted stock units. Less than one million of potentially dilutive securities for the three and six months ended September 30, 2025 and 2024 were excluded from the computation of diluted earnings per common share as they were anti-dilutive. The computations for basic and diluted earnings per common share were as follows:
| Three Months Ended September 30, |  | Six Months Ended September 30,
(In millions, except per share amounts) | 2025 |  | 2024 |  | 2025 |  | 2024
Net income | $ | 1,163 |  |  | $ | 287 |  |  | $ | 1,994 |  |  | $ | 1,247 |
Net income attributable to noncontrolling interests | (53) |  |  | (46) |  |  | (100) |  |  | (91) |
Net income attributable to McKesson Corporation | $ | 1,110 |  |  | $ | 241 |  |  | $ | 1,894 |  |  | $ | 1,156 |
Weighted-average common shares outstanding: |  |  |  |  |  |  |
Basic | 124.0 |  |  | 128.7 |  |  | 124.5 |  |  | 129.3 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options | — |  |  | 0.1 |  |  | — |  |  | 0.1 |
Restricted stock units (1) | 0.4 |  |  | 0.5 |  |  | 0.4 |  |  | 0.6 |
Diluted | 124.4 |  |  | 129.3 |  |  | 124.9 |  |  | 130.0 |
Earnings per common share attributable to McKesson Corporation: (2) |  |  |  |  |  |  |
Diluted | $ | 8.92 |  |  | $ | 1.87 |  |  | $ | 15.16 |  |  | $ | 8.89 |
Basic | $ | 8.95 |  |  | $ | 1.88 |  |  | $ | 15.22 |  |  | $ | 8.94 |
(1)Includes dilutive effect from restricted stock units and performance-based restricted stock units. (2)Certain computations may reflect rounding adjustments.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details
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