Convertible Preferred Stock and Stockholders' Equity (Deficit) - Additional Information (Details) $ / shares in Units, shares in Thousands		1 Months Ended	12 Months Ended
	Apr. 22, 2021 USD ($) shares	Apr. 30, 2021 vote shares	Jan. 31, 2022 USD ($) shares	Jan. 31, 2021 USD ($) shares	Jan. 31, 2020 USD ($) shares	Feb. 28, 2021 USD ($) $ / shares shares	Jan. 31, 2019 USD ($) shares
Class of Stock [Line Items]
Convertible preferred stock value | $			$ 0	$ 1,221,968,000
Convertible preferred stock, shares issued (in shares)			0	294,257
Convertible preferred stock, conversion ratio	1
Convertible preferred stock, shares outstanding (in shares)			0	294,257
Preferred stock, shares authorized (in shares)		20,000	20,000	0
Common stock, conversion ratio		1		1
Period for conversion of common stock B into common stock A subsequent to death or incapacity of the Chief Executive Officer		6 months
Payments for repurchase of common stock | $			$ 0	$ 0	$ 128,843,000
Stock-based compensation expense related to tender offer | $					48,260,000
Stock-based compensation expense related to common stock secondary transactions | $				4,983,000
Minimum
Class of Stock [Line Items]
Number of days fixed for conversion of common stock B into common stock A immediately prior to completion of IPO		120 days
Maximum
Class of Stock [Line Items]
Number of days fixed for conversion of common stock B into common stock A immediately prior to completion of IPO		180 days
Percentage of outstanding shares of common stock required for automatic conversion following date fixed for conversion		20.00%
Series F Convertible Preferred Stock
Class of Stock [Line Items]
Convertible preferred stock value | $						$ 750,000,000
Convertible preferred stock, shares issued (in shares)						12,000
Convertible preferred stock, purchase price (in dollars per share) | $ / shares						$ 62.28
Convertible preferred stock, conversion ratio	1
Convertible preferred stock, shares outstanding (in shares)	306,300
Convertible Preferred Stock
Class of Stock [Line Items]
Convertible preferred stock value | $			$ 0	$ 1,221,968,000	$ 996,389,000		$ 413,380,000
Convertible preferred stock, minimum conversion proceeds under IPO | $	$ 75,000,000
Convertible preferred stock, shares outstanding (in shares)			0	294,257	282,108		237,617
Class A Common Stock
Class of Stock [Line Items]
Reclassifications of convertible preferred stock to stockholders' equity | $	$ 1,971,800,000
Common stock, shares authorized (in shares)		2,000,000	2,000,000	581,000
Common stock, voting rights, votes per share | vote		1
Common stock shares reserved to fund social impact and environmental, social and governance initiatives (in shares)			2,800
Class B Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		115,700	115,741	115,741
Common stock, voting rights, votes per share | vote		35