Goodwill and Intangible Assets, net - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 5,448,000,000	$ 5,406,000,000
Goodwill impairments	0	0	$ 0
Amortization expense	$ 85,000,000	$ 87,000,000	$ 93,000,000