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Stockholders' Equity - Additional Information (Detail) - USD ($)
3 Months Ended 219 Months Ended
Aug. 23, 2021
Jul. 30, 2021
Jul. 31, 2020
Jul. 31, 2020
Jul. 30, 2021
Apr. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unrecognized compensation expense related to equity awards   $ 567,000,000     $ 567,000,000  
Unrecognized compensation expense will be amortized on a straight-line basis over a weighted-average remaining period, in years   2 years 8 months 12 days        
Stock repurchase program, authorized amount   $ 14,100,000,000     $ 14,100,000,000  
Repurchase of common stock, shares   1,000,000     341,000,000  
Average price of common stock repurchased under repurchase program   $ 80.08     $ 39.17  
Aggregate purchase price of common stock authorized under repurchase program   $ 100,000,000   $ 0 $ 13,400,000,000  
Cash dividends declared, per common share   $ 0.50 $ 0.48      
Subsequent Event            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Cash dividends declared, per common share $ 0.50          
Cash dividend payable date Oct. 27, 2021          
Cash dividend record date Oct. 08, 2021          
Performance Based Restricted Stock Unit            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
RSUs grant date fair value   $ 41,000,000     $ 41,000,000  
Performance Based Restricted Stock Unit | PBRSU One            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   1 year        
Performance Based Restricted Stock Unit | PBRSU Two            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   2 years        
Performance Based Restricted Stock Unit | PBRSU Three            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   3 years        
Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of Common stock issued to settle PBRSUs of target shares granted   0.00%        
Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of options outstanding   1,000,000     1,000,000 1,000,000
Percentage of Common stock issued to settle PBRSUs of target shares granted   200.00%