CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common stock Class A Common Stock	Common stock Class B Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance (in shares) at Jan. 31, 2024		159,835	7,291
Beginning balance at Jan. 31, 2024	$ 5,888	$ 0	$ 0	$ 8,724	$ (6)	$ (2,830)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		1,077
Issuance of common stock	6			6
Taxes withheld related to net share settlement of equity awards	(42)			(42)
Stock-based compensation	152			152
Other comprehensive income (loss)	(11)				(11)
Net income (loss)	(40)					(40)
Ending balance (in shares) at Apr. 30, 2024		160,912	7,291
Ending balance at Apr. 30, 2024	5,953	$ 0	$ 0	8,840	(17)	(2,870)
Beginning balance (in shares) at Jan. 31, 2024		159,835	7,291
Beginning balance at Jan. 31, 2024	5,888	$ 0	$ 0	8,724	(6)	(2,830)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(11)
Ending balance (in shares) at Jul. 31, 2024		162,397	7,448
Ending balance at Jul. 31, 2024	6,133	$ 0	$ 0	8,981	(7)	(2,841)
Beginning balance (in shares) at Apr. 30, 2024		160,912	7,291
Beginning balance at Apr. 30, 2024	5,953	$ 0	$ 0	8,840	(17)	(2,870)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		1,470	172
Issuance of common stock	31			31
Taxes withheld related to net share settlement of equity awards	(40)			(40)
Conversion of Class B common stock to Class A common stock (in shares)		15	(15)
Stock-based compensation	150			150
Other comprehensive income (loss)	10				10
Net income (loss)	29					29
Ending balance (in shares) at Jul. 31, 2024		162,397	7,448
Ending balance at Jul. 31, 2024	6,133	$ 0	$ 0	8,981	(7)	(2,841)
Beginning balance (in shares) at Jan. 31, 2025		165,650	7,809
Beginning balance at Jan. 31, 2025	6,405	$ 0	$ 0	9,219	(12)	(2,802)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		1,446	166
Issuance of common stock	9			9
Taxes withheld related to net share settlement of equity awards	(54)			(54)
Conversion of Class B common stock to Class A common stock (in shares)		65	(65)
Stock-based compensation	128			128
Other comprehensive income (loss)	17				17
Net income (loss)	62					62
Ending balance (in shares) at Apr. 30, 2025		167,161	7,910
Ending balance at Apr. 30, 2025	6,567	$ 0	$ 0	9,302	5	(2,740)
Beginning balance (in shares) at Jan. 31, 2025		165,650	7,809
Beginning balance at Jan. 31, 2025	6,405	$ 0	$ 0	9,219	(12)	(2,802)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	129
Ending balance (in shares) at Jul. 31, 2025		168,437	7,827
Ending balance at Jul. 31, 2025	6,754	$ 0	$ 0	9,426	1	(2,673)
Beginning balance (in shares) at Apr. 30, 2025		167,161	7,910
Beginning balance at Apr. 30, 2025	6,567	$ 0	$ 0	9,302	5	(2,740)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		1,146	47
Issuance of common stock	24			24
Taxes withheld related to net share settlement of equity awards	(49)			(49)
Conversion of Class B common stock to Class A common stock (in shares)		130	(130)
Settlement of capped calls related to convertible senior notes	2			2
Stock-based compensation	147			147
Other comprehensive income (loss)	(4)				(4)
Net income (loss)	67					67
Ending balance (in shares) at Jul. 31, 2025		168,437	7,827
Ending balance at Jul. 31, 2025	$ 6,754	$ 0	$ 0	$ 9,426	$ 1	$ (2,673)