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Earnings per Share | 6 Months Ended
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Jun. 30, 2024
Earnings Per Share [Abstract] |
Earnings per Share | Earnings per Share The computations of basic and diluted earnings per share were as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
2024 |  | 2023 | 2024 |  | 2023
|  |  |  | (in millions, except per share amounts)
Numerator: |  |  |  |  |  |  |
Net income | $ | 829 |  |  | $ | 890 |  |  | $ | 1,819 |  |  | $ | 1,307 |
Denominator: |  |  |  |  |  |  |
Basic: Weighted-average common shares outstanding | 101.6 |  |  | 106.4 |  |  | 102.2 |  |  | 107.1 |
Effect of potentially dilutive nonqualified stock options and other share-based awards | 1.8 |  |  | 2.0 |  |  | 1.8 |  |  | 2.1 |
Diluted: Weighted-average common shares outstanding | 103.4 |  |  | 108.4 |  |  | 104.0 |  |  | 109.2 |
Earnings per share: |  |  |  |  |  |  |
Basic | $ | 8.16 |  |  | $ | 8.36 |  |  | $ | 17.80 |  |  | $ | 12.20 |
Diluted | $ | 8.02 |  |  | $ | 8.21 |  |  | $ | 17.49 |  |  | $ | 11.97 |
The calculation of diluted earnings per share excludes the incremental effect of nil options for both the three months ended June 30, 2024 and 2023, and 0.1 million and 0.2 million options for the six months ended June 30, 2024 and 2023, respectively, due to their anti-dilutive effect.

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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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