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Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |  |
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Oct. 26, 2025 | Jul. 27, 2025 | Apr. 27, 2025 | Jan. 26, 2025 | Oct. 27, 2024 | Jul. 28, 2024 | Apr. 28, 2024 | Jan. 28, 2024 | Oct. 29, 2023 | Jul. 30, 2023 | Apr. 30, 2023 | Jan. 29, 2023 | Oct. 26, 2025 | Oct. 27, 2024 | Oct. 29, 2023 | Mar. 31, 2025 | Mar. 31, 2023
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax effects on net income of amounts reclassified from AOCI |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0 |  |
Share repurchase program, authorized amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 | $ 10,000
Share repurchase program, remaining authorized amount | $ 14,000 |  |  |  |  |  |  |  |  |  |  |  | $ 14,000 |  |  |  |
Dividends declared per share (in dollars per share) | $ 0.46 | $ 0.46 | $ 0.46 | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.32 | $ 0.32 | $ 0.32 | $ 0.32 | $ 0.26 | $ 1.78 | $ 1.52 | $ 1.22 |  |
Payments of dividends to stockholders |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,384 | $ 1,192 | $ 975 |  |
Options granted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 |  |
Options outstanding (in shares) | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0 |  |
Employee Stock Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares available for grant (in shares) | 17,000,000 |  |  |  |  |  |  |  |  |  |  |  | 17,000,000 |  |  |  |
Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares available for grant (in shares) | 8,000,000 |  |  |  |  |  |  |  |  |  |  |  | 8,000,000 |  |  |  |
Purchase period |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |
Number of shares issued under the ESPP (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 | 2,000,000 | 2,000,000 |  |
Weighted average exercise price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 131.75 | $ 147.38 | $ 87.75 |  |
Employee Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance of total shareholder return |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Total unrecognized compensation expense | $ 947 |  |  |  |  |  |  |  |  |  |  |  | $ 947 |  |  |  |
Weighted average period for unrecognized compensation expense to be recognized |  |  |  |  |  |  |  |  |  |  |  |  | 2 years 4 months 24 days |  |  |  |
Employee Stock | Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of common stock, percent |  |  |  |  |  |  |  |  |  |  |  |  | 85.00% |  |  |  |
Restricted Stock Units, Restricted Stock, Performance Shares Units and Performance Units | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Restricted Stock Units, Restricted Stock, Performance Shares Units and Performance Units | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |
Restricted Stock Units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion basis |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Performance Shares/Performance Units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance of total shareholder return |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Conversion basis |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Weight of metric |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |
Award measurement period |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Additional performance-based awards to be earned upon certain levels of achievement (in shares) | 700,000 |  |  |  |  |  |  |  |  |  |  |  | 700,000 |  |  |  |
Performance Shares/Performance Units | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting rights as percentage of target amount |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |
Performance Shares/Performance Units | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting rights as percentage of target amount |  |  |  |  |  |  |  |  |  |  |  |  | 200.00% |  |  |  |

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