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Earnings Per Share Attributable to Cardinal Health, Inc. | 6 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | 12. Earnings Per Share Attributable to Cardinal Health, Inc. The following tables reconcile the number of common shares used to compute basic and diluted earnings per share attributable to Cardinal Health, Inc. ("EPS"):
| Three Months Ended December 31,
(in millions) | 2024 |  | 2023
Weighted-average common shares–basic | 242 |  |  | 245 |
Effect of dilutive securities: |  |  |
Employee stock options, restricted share units and performance share units | 1 |  |  | 1 |
Weighted-average common shares–diluted | 243 |  |  | 246 |
| Six Months Ended December 31,
(in millions) | 2024 |  | 2023
Weighted-average common shares–basic | 242 |  |  | 247 |
Effect of dilutive securities: |  |  |
Employee stock options, restricted share units and performance share units | 1 |  |  | 1 |
Weighted-average common shares–diluted | 243 |  |  | 248 |
The potentially dilutive employee stock options, restricted share units and performance share units that were antidilutive were immaterial and 1 million for the three and six months ended December 31, 2024 and December 31, 2023, respectively.

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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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