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Description of Business and Summary of Significant Accounting Policies (Tables)
9 Months Ended
Apr. 30, 2023
Accounting Policies [Abstract]  
Composition of shares used in the computation of basic and diluted net income per share
The following table presents the composition of shares used in the computation of basic and diluted net income per share for the periods indicated.
 Three Months EndedNine Months Ended
(In millions, except per share amounts)April 30,
2023
April 30,
2022
April 30,
2023
April 30,
2022
Numerator:    
Net income$2,087 $1,794 $2,295 $2,122 
Denominator:    
Shares used in basic per share amounts:    
Weighted-average common shares outstanding281 282 281 279 
Shares used in diluted per share amounts:
Weighted-average common shares outstanding281 282 281 279 
Dilutive common equivalent shares from stock options
and restricted stock awards
Dilutive weighted-average common shares outstanding283 286 283 284 
Basic and diluted net income per share:    
Basic net income per share$7.44 $6.35 $8.17 $7.60 
Diluted net income per share$7.38 $6.28 $8.11 $7.48 
Shares excluded from diluted net income per share:
Weighted-average stock options and restricted stock units that have been excluded from dilutive common equivalent shares outstanding due to their anti-dilutive effect