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Net Income Per Share (Tables) | 6 Months Ended
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Jul. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Net Loss Per Share | The following table sets forth the computation of the numerators and denominators used in the basic and diluted net income per share amounts:
| Three Months Ended July 31, |  | Six Months Ended July 31,
| 2023 |  | 2022 |  | 2023 |  | 2022
Numerator: |  |  |  |  |  |  |
Net income | $ | 222 |  |  | $ | 186 |  |  | $ | 383 |  |  | $ | 332 |
Denominator: |  |  |  |  |  |  |
Denominator for basic net income per share—weighted average shares | 214 |  |  | 217 |  |  | 214 |  |  | 217 |
Effect of dilutive securities | 1 |  |  | 1 |  |  | 2 |  |  | 1 |
Denominator for dilutive net income per share | 215 |  |  | 218 |  |  | 216 |  |  | 218 |
Basic net income per share | $ | 1.04 |  |  | $ | 0.86 |  |  | $ | 1.79 |  |  | $ | 1.53 |
Diluted net income per share | $ | 1.03 |  |  | $ | 0.85 |  |  | $ | 1.77 |  |  | $ | 1.52 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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