Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Stock-based expenses	$ 793	$ 810	$ 1,607	$ 1,560
Cost of revenues
Amortization of intangibles acquired through business combinations	150	231	312	469
Stock-based expenses	126	132	277	251
Research and development
Stock-based expenses	280	276	555	536
Sales and marketing
Amortization of intangibles acquired through business combinations	230	223	463	446
Stock-based expenses	293	309	578	599
General and administrative
Stock-based expenses	94	91	182	172
Restructuring
Stock-based expenses	$ 0	$ 2	$ 15	$ 2