Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Stock-based expenses	$ 814	$ 750
Cost of revenues
Amortization of intangibles acquired through business combinations	162	238
Stock-based expenses	151	119
Research and development
Stock-based expenses	275	260
Sales and marketing
Amortization of intangibles acquired through business combinations	233	223
Stock-based expenses	285	290
General and administrative
Stock-based expenses	88	81
Restructuring
Stock-based expenses	$ 15	$ 0