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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2022
Earnings Per Share [Abstract] |
Summary of Computation of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share:
| Three Months Ended March 31,
| 2022 |  | 2021 |  |
Numerator: | (in millions, except share and per share amounts)
Net income attributable to common shareholders | $ | 284 |  |  | $ | 298 |  |  |
Denominator: |  |  |  |  |
Weighted-average common shares outstanding for basic earnings per share | 165,048,113 |  |  | 164,709,609 |  |  |
Weighted-average effect of dilutive securities:
Employee equity awards | 2,200,025 |  |  | 2,382,473 |  |  |
Weighted-average common shares outstanding for diluted earnings per share | 167,248,138 |  |  | 167,092,082 |  |  |
Basic and diluted earnings per share:
Basic earnings per share | $ | 1.72 |  |  | $ | 1.81 |  |  |
Diluted earnings per share | $ | 1.70 |  |  | $ | 1.78 |  |  |
In the tables above, employee equity awards from our PSU program, which are considered contingently issuable, are included in the computation of dilutive earnings per share on a weighted average basis when management determines that the applicable performance criteria would have been met if the performance period ended as of the date of the relevant computation.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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