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Net Income Per Share (Tables)
 9 Months Ended
Oct. 31, 2024
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 October 31,Nine Months Ended October 31,
2024202320242023
Numerator:
Net income $275 $241 $809 $624 
Denominator:
Denominator for basic net income per share—weighted average shares215 214 215 214 
Effect of dilutive securities2 2 2 2 
Denominator for dilutive net income per share217 216 217 216 
Basic net income per share$1.28 $1.13 $3.76 $2.92 
Diluted net income per share$1.27 $1.12 $3.73 $2.89