Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Stock-based expenses	$ 819	$ 820	$ 2,426	$ 2,380
Cost of revenues
Amortization of intangibles acquired through business combinations	156	131	468	600
Stock-based expenses	129	135	406	386
Research and development
Stock-based expenses	271	278	826	814
Sales and marketing
Amortization of intangibles acquired through business combinations	230	223	693	669
Stock-based expenses	296	312	874	911
General and administrative
Stock-based expenses	109	95	291	267
Restructuring
Stock-based expenses	$ 14	$ 0	$ 29	$ 2