CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 43	$ 16	$ 172	$ 5
Other comprehensive income:
Net change in unrealized gains or losses on available-for-sale securities	2	2	0	1
Foreign currency translation adjustments	1	2	16	2
Other comprehensive income	3	4	16	3
Comprehensive income	$ 46	$ 20	$ 188	$ 8