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v3.25.2

Stockholders' Equity - Additional information (Details) $ / shares in Units, $ in Millions |  | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2025 $ / shares | Jul. 31, 2022 shares | Jul. 31, 2025 USD ($) period $ / shares shares | Jul. 31, 2024 USD ($) $ / shares shares | Jul. 31, 2023 USD ($) $ / shares shares | Aug. 19, 2025 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock repurchased during period (in shares) | $ |  |  | $ 2,793 | $ 1,978 | $ 1,967 |
Common stock dividends, cash paid (in dollars per share) | $ / shares |  |  | $ 4.16 |  |  |
Common stock dividends | $ |  |  | $ 1,200 |  |  |
Cash dividends declared per common share (in dollars per share) | $ / shares |  |  | $ 4.16 | $ 3.6 | $ 3.12 |
Common stock, shares authorized (in shares) |  |  | 750,000,000 | 750,000,000 |  |
Pool shares reduced for each share granted (in shares) |  |  | 2.3 |  |  |
Pool shares increased for each share forfeited (in shares) |  | 2.3 | 2.3 |  |  |
Shares available for grant (in shares) |  | 26,260,000 | 25,147,000 | 27,317,000 | 19,026,000 |
Stock offering period, months, employee stock purchase plans |  |  | 6 months |  |  |
Stock accrual period, employee stock purchase plans, number of accrual periods | period |  |  | 2 |  |  |
Stock offering period, number of months in accrual period |  |  | 3 months |  |  |
Percentage of lower of the closing price for stock on the first day last day of the offering period |  |  | 85.00% |  |  |
Shares issued during period for Employee Stock Purchase Plans (in shares) |  |  | 306,286 | 360,028 | 399,975 |
Shares available for issuance under Employee Stock Purchase Plan (in shares) |  |  | 1,657,666 |  |  |
Market price of common stock (in dollars per share) | $ / shares |  |  | $ 785.13 |  |  |
Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of years until options vest |  |  | 7 years |  |  |
Shares available for grant (in shares) |  |  | 25,100,000 |  |  |
Unrecognized compensation cost | $ |  |  | $ 146 |  |  |
Weighted-average vesting period |  |  | 3 years 2 months 12 days |  |  |
Stock Options | Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award vesting period |  |  | 3 years |  |  |
Stock Options | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award vesting period |  |  | 4 years |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percent of total share-based compensation expense |  |  | 91.00% |  |  |
Unrecognized compensation cost | $ |  |  | $ 5,100 |  |  |
Weighted-average vesting period |  |  | 3 years |  |  |
Restricted Stock Units (RSUs) | Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award vesting period |  |  | 3 years |  |  |
Restricted Stock Units (RSUs) | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award vesting period |  |  | 4 years |  |  |
Employee Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  | 25,800,000 |  |  |
Restated 2005 Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  | 171,700,000 |  |  |
Restated 2005 Plan | Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Pool shares reduced for each share granted (in shares) |  |  | 1 |  |  |
Number of shares added back to plan when grants are forfeited (in shares) |  |  | 1 |  |  |
Subsequent Event |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock repurchase program, additional authorized amount (in shares) | $ |  |  |  |  |  | $ 3,200
Cash dividends declared per common share (in dollars per share) | $ / shares | $ 1.20 |  |  |  |  |
Current Program |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock repurchase program remaining authorized repurchase amount | $ |  |  | $ 2,100 |  |  |
Common Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock repurchases under stock repurchase programs (in shares) |  |  | 4,319,000 | 3,427,000 | 4,700,000 |

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