Equity - Narrative (Details)		1 Months Ended		3 Months Ended						9 Months Ended		12 Months Ended
	Feb. 01, 2025 shares	Sep. 30, 2024 $ / shares	Aug. 31, 2024 USD ($)	Oct. 31, 2025 USD ($) $ / shares shares	Jul. 31, 2025 shares	Apr. 30, 2025 shares	Oct. 31, 2024 USD ($) $ / shares shares	Apr. 30, 2024	Jan. 31, 2024	Oct. 31, 2025 USD ($) $ / shares shares	Oct. 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
Number of shares repurchased (in shares) | shares				1,043,000			8,826,000			4,257,000	14,765,000
Aggregate purchase price | $				$ 232,881,000			$ 1,015,925,000			$ 723,471,000	$ 1,932,164,000
Weighted-average price per share (in dollars per share) | $ / shares				$ 223.35			$ 115.11			$ 169.95	$ 130.87
Stock repurchase program, remaining authorized repurchase amount | $				$ 1,300,000,000						$ 1,300,000,000
Repurchases of common stock (in shares) | shares												500,000
Options granted (shares) | shares				0			0			0
Granted (in dollars per share) | $ / shares											$ 79.16
Intrinsic value of shares exercised | $										$ 1,400,000,000	$ 687,000,000.0
Grant date fair value of vested shares | $										23,000,000.0	23,500,000
Stock-based compensation, net of amounts capitalized | $				$ 412,278,000			$ 363,259,000			$ 1,195,955,000	$ 1,051,195,000
Expected dividend yield										0.00%	0.00%
Unrecognized share-based compensation expense | $				$ 3,300,000,000						$ 3,300,000,000
Unrecognized share-based compensation expense recognition period (term)										2 years 8 months 12 days
Shares Repurchased In Privately Negotiated Transactions Entered Into In Connection With Convertible Senior Notes
Share-based Compensation Arrangement by Share-based Payment Award
Weighted-average price per share (in dollars per share) | $ / shares		$ 112.50
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
Expected dividend yield				0.00%			0.00%			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%
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				1,421,000	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 | $				$ 13,500,000			$ 20,200,000			$ 42,600,000	$ 41,400,000
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
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, shares authorized (in shares) | shares				2,500,000,000						2,500,000,000					2,500,000,000
Class A Common Stock | Shares Repurchased In Privately Negotiated Transactions Entered Into In Connection With Convertible Senior Notes
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares repurchased (in shares) | shares							3,600,000
Aggregate purchase price | $							$ 399,600,000
Weighted-average price per share (in dollars per share) | $ / shares							$ 112.50