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Earnings per Share | 3 Months Ended
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Mar. 31, 2023
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 March 31,
|  |  | 2023 |  | 2022
|  |  |  | (in millions, except per share amounts)
Numerator: |  |  |  |  |  |  |
Net income |  |  |  |  | $ | 417 |  |  | $ | 825 |
Denominator: |  |  |  |  |  |  |
Basic: Weighted-average common shares outstanding |  |  |  |  | 107.9 |  |  | 113.7 |
Effect of potentially dilutive nonqualified stock options and other share-based awards |  |  |  |  | 2.1 |  |  | 2.5 |
Diluted: Weighted-average common shares outstanding |  |  |  |  | 110.0 |  |  | 116.2 |
Earnings per share: |  |  |  |  |  |  |
Basic |  |  |  |  | $ | 3.86 |  |  | $ | 7.26 |
Diluted |  |  |  |  | $ | 3.79 |  |  | $ | 7.10 |
The calculation of diluted earnings per share excludes the incremental effect of 0.3 million and 0.2 million options for the three months ended March 31, 2023 and 2022, 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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI https://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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