Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended		12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023	Aug. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of the options exercised during the period			$ 700	$ 600	$ 200
Weighted-average remaining contractual life of vested and expected to vest options (in years)			3 years 6 months
Options vested (in shares)			6,000,000
Weighted average exercise price vested (in dollars per share)			$ 187.48
Remaining contractual term (in years)			3 years
Total intrinsic value of vested options			$ 883
Weighted-average fair value per share of grants (in dollars per share)			$ 0.001
Fair value of shares vested in period			$ 3,400	$ 2,500
Preferred stock, shares authorized (in shares)			5,000,000	5,000,000
Preferred stock, shares outstanding (in shares)			0	0
Share Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized amount of stock repurchase	$ 30,000					$ 10,000
Increased authorized amount of stock repurchase	$ 10,000	$ 10,000
Share Repurchase Program | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized repurchase amount			$ 10,600
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of stock options (in years)			7 years
Weighted-average fair value per share of grants (in dollars per share)			$ 114.96	$ 66.95	$ 62.10
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period for recognition (in years)			4 years
Performance shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Award vesting percentage			0.00%
Performance shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			4 years
Award vesting percentage			200.00%