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Stockholders' Equity - Additional Information (Detail) $ / shares in Units, shares in Millions, $ in Millions |  |  |  |  | 12 Months Ended | 251 Months Ended |
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Jul. 24, 2024 | Jul. 05, 2024 | May 23, 2024 USD ($) $ / shares | Sep. 10, 2021 shares | Apr. 26, 2024 USD ($) Period $ / shares shares | Apr. 28, 2023 USD ($) $ / shares shares | Apr. 29, 2022 USD ($) $ / shares shares | Apr. 26, 2024 USD ($) $ / shares shares | Apr. 30, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting period, description |  |  |  |  | For the remaining half of the PBRSUs granted in the fiscal 2024 and 2023, the number of shares used to calculate the settlement amount will depend upon the Company's billings result average over the three-year performance period |  |  |  |
Unrecognized compensation expense related to equity awards | $ |  |  |  |  | $ 578 |  |  | $ 578 |
Unrecognized compensation expense will be amortized on a straight-line basis over a weighted-average remaining period, in years |  |  |  |  | 2 years |  |  |  |
Stock repurchase program, authorized amount | $ |  |  | $ 1,000 |  | $ 16,100 |  |  | $ 16,100 |
Stock Repurchased and Retired During Period, Shares |  |  |  |  |  |  |  | 372 |
Aggregate purchase price of common stock authorized under repurchase program | $ |  |  |  |  | $ 900 | $ 850 | $ 600 | $ 15,600 |
Shares Acquired, Average Cost Per Share | $ / shares |  |  |  |  |  |  |  | $ 42.04 |
Preferred stock, shares authorized |  |  |  |  | 5 | 5 |  | 5 |
Preferred stock, shares issued |  |  |  |  | 0 | 0 |  | 0 |
Preferred stock, shares outstanding |  |  |  |  | 0 | 0 |  | 0 |
Cash dividends declared, per common share | $ / shares |  |  | $ 0.52 |  | $ 2 | $ 2 | $ 2 |  |
Additional Paid-in Capital [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Modification of liability-classified awards | $ |  |  |  |  | $ 4 |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Cash dividend payable date | Jul. 24, 2024 |  |  |  |  |  |  |  |
Cash dividend record date |  | Jul. 05, 2024 |  |  |  |  |  |  |
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 | 1 |  | 1 |
Percentage of Common stock issued to settle PBRSUs of target shares granted |  |  |  |  | 200.00% |  |  |  |
Restricted Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Awards outstanding |  |  |  |  | 11 | 12 | 10 | 11 | 9
Performance Based Restricted Stock Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
RSUs grant date fair value | $ |  |  |  |  | $ 39 | $ 28 | $ 59 | $ 39 |
Awards outstanding |  |  |  |  | 1 | 1 | 1 | 1 |
Performance Based Restricted Stock Unit | PBRSU Three |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 3 years |  |  |  |
Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Shares available for grant |  |  |  |  | 4 |  |  | 4 |
Share offering period for eligible employees |  |  |  |  | 24 months |  |  |  |
Number of consecutive purchase periods | Period |  |  |  |  | 4 |  |  |  |
Duration of purchase period |  |  |  |  | 6 months |  |  |  |
Percentage of discount from quoted market price, employees entitled to buy shares (ESPP) |  |  |  |  | 15.00% |  |  |  |
Additional shares of common stock authorized |  |  |  | 3 |  |  |  |  |
2021 Stock Option Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Shares available for grant |  |  |  |  | 10 |  |  | 10 |
Shares reserved for future issuance |  |  |  |  | 13 |  |  | 13 |
2021 Stock Option Plan | Employee Stock Option |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Purchase price of common stock, percentage |  |  |  |  | 100.00% |  |  |  |
2021 Stock Option Plan | Restricted Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 4 years |  |  |  |
2021 Stock Option Plan | Restricted Stock Units | Tranche One |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting rate |  |  |  |  | 25.00% |  |  |  |
2021 Stock Option Plan | Restricted Stock Units | Tranche Two |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting rate |  |  |  |  | 6.25% |  |  |  |
2021 Stock Option Plan | Restricted Stock Units | Tranche Three |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting rate |  |  |  |  | 6.25% |  |  |  |
2021 Stock Option Plan | Restricted Stock Units | Tranche Four |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting rate |  |  |  |  | 6.25% |  |  |  |

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