Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Stock-based expenses	$ 3,183	$ 2,787	$ 3,279
Cost of revenues
Amortization of intangibles acquired through business combinations	750	978	1,035
Stock-based expenses	518	431	499
Research and development
Stock-based expenses	1,091	972	1,136
Sales and marketing
Amortization of intangibles acquired through business combinations	901	891	916
Stock-based expenses	1,205	1,062	1,256
General and administrative
Stock-based expenses	367	299	368
Restructuring
Stock-based expenses	$ 2	$ 23	$ 20