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Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended		3 Months Ended
	Apr. 30, 2026	Jan. 31, 2026	Apr. 30, 2026	Apr. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares outstanding (in shares)	162,942,747		162,942,747
Number of authorized shares not disclosed			true
Common stock shares issued not disclosed			true
Unrecognized compensation cost related to unvested stock options granted	$ 365		$ 365
Weighted-average grant date fair value of options granted (in usd per share)			$ 79.15	$ 96.83
Intrinsic value of options exercised			$ 1	$ 16
Authorized repurchase program, amount		$ 2,000
Share repurchase program term		2 years
Share repurchases, remaining balance	1,600		$ 1,600
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of unvested stock (in years)			2 years 2 months 12 days
Fair value of options vested			$ 253	$ 128
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of unvested stock (in years)			2 years 9 months 18 days
Weighted-average grant date fair value of options granted (in usd per share)			$ 173.52	$ 214.17
Unrecognized compensation cost related to unvested RSUs	$ 667		$ 667
Grant date fair value of RSUs vested			$ 112	$ 54
Restricted Stock Units (RSUs) \| Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Restricted Stock Units (RSUs) \| Share-Based Payment Arrangement, Tranche One
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Long-Term Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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