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Equity - Narrative (Details) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |
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Feb. 01, 2025 shares | Aug. 31, 2024 USD ($) | Jul. 31, 2025 USD ($) shares | Apr. 30, 2025 shares | Jul. 31, 2024 USD ($) shares | Apr. 30, 2024 | Jan. 31, 2024 | Jul. 31, 2025 USD ($) shares | Jul. 31, 2024 USD ($) $ / shares shares | Jan. 31, 2024 shares | Jul. 03, 2025 vote_per_share shares | Jul. 02, 2025 shares | Jan. 31, 2025 USD ($) shares | Feb. 28, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, voting rights, votes per share | vote_per_share |  |  |  |  |  |  |  |  |  |  | 1 |  |  |
Stock repurchase program, authorized amount | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000,000
Stock repurchase program, additional authorized amount | $ |  | $ 2,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase program, remaining authorized repurchase amount | $ |  |  | $ 1,500,000,000 |  |  |  |  | $ 1,500,000,000 |  |  |  |  |  |
Repurchases of common stock (in shares) | shares |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |
Options granted (shares) | shares |  |  | 0 |  |  |  |  | 0 |  |  |  |  |  |
Granted (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 79.16 |  |  |  |  |
Intrinsic value of shares exercised | $ |  |  |  |  |  |  |  | $ 869,300,000 | $ 467,800,000 |  |  |  |  |
Grant date fair value of vested shares | $ |  |  |  |  |  |  |  | 15,400,000 | 15,800,000 |  |  |  |  |
Stock-based compensation, net of amounts capitalized | $ |  |  | $ 404,217,000 |  | $ 356,000,000 |  |  | $ 783,677,000 | $ 687,936,000 |  |  |  |  |
Expected dividend yield |  |  |  |  |  |  |  | 0.00% | 0.00% |  |  |  |  |
Unrecognized share-based compensation expense | $ |  |  | $ 3,500,000,000 |  |  |  |  | $ 3,500,000,000 |  |  |  |  |  |
Unrecognized share-based compensation expense recognition period (term) |  |  |  |  |  |  |  | 2 years 9 months 18 days |  |  |  |  |  |
2020 Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares authorized (in shares) | shares | 16,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
ESPP Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (in shares) | shares |  |  | 0 |  | 0 |  |  |  |  |  |  |  |  |
Expected dividend yield |  |  |  |  |  |  |  | 0.00% | 0.00% |  |  |  |  |
ESPP Rights | 2020 Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Offering period |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |
Shares authorized (in shares) | shares | 3,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period (years) |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |
Expiration period (years) |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |
Award holding period |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Discount for lack of marketability |  |  |  |  |  | 7.60% |  |  |  |  |  |  |  |
Expected dividend yield |  |  |  |  | 0.00% |  |  |  | 0.00% |  |  |  |  |
Stock options | 2012 Equity Incentive Plan: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration period (years) |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |
Equity-Classified Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (in shares) | shares |  |  | 1,844,000 | 5,459,000 |  |  |  |  |  |  |  |  |  |
Equity-Classified Restricted Stock Units (RSUs) | 2020 Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period (years) |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |
Equity-Classified Restricted Stock Units (RSUs) | 2012 Equity Incentive Plan: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period (years) |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |
Equity-Classified Restricted Stock Units (RSUs) | 2012 Equity Incentive Plan: | Grant Date |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period (years) |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |
Equity-Classified Performance Shares | 2020 Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period (years) |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |
Granted (in shares) | shares |  |  |  |  |  |  |  | 400,000 | 800,000 |  |  |  |  |
Stock-based compensation, net of amounts capitalized | $ |  |  | $ 15,300,000 |  | $ 8,700,000 |  |  | $ 29,100,000 | $ 21,200,000 |  |  |  |  |
Equity-Classified Performance Shares | 2020 Equity Incentive Plan | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, percentage |  |  |  |  |  |  |  | 120.00% |  |  |  |  |  |
Equity-Classified Performance Shares | 2020 Equity Incentive Plan | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, percentage |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |
Equity-Classified Performance Shares | 2020 Equity Incentive Plan | Grant Date |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period (years) |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |
Liability-Classified Performance Shares | 2020 Equity Incentive Plan | Fiscal Year 2024 Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period (years) |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |
Shares available for grant (in shares) | shares |  |  | 1,700,000 |  |  |  |  | 1,700,000 |  |  |  |  |  |
Stock-based compensation, liabilities | $ |  |  | $ 0 |  |  |  |  | $ 0 |  |  |  |  | $ 11,100,000 |
Liability-Classified Performance Shares | 2020 Equity Incentive Plan | Grant Date | Fiscal Year 2024 Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period (years) |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |
Class B Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  | 0 |  |  |  |  | 0 |  |  | 0 | 185,500,000 | 185,461,000 |

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