Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Federal:
Current	$ 138	$ 86	$ 219
Deferred	(87)	(97)	(222)
State:
Current	19	21	28
Deferred	(5)	3	(19)
Foreign:
Current	229	206	151
Deferred	(22)	11	(34)
Income tax provision	$ 272	$ 230	$ 123