Equity - Narrative (Details)		1 Months Ended	3 Months Ended					6 Months Ended		12 Months Ended
	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